LECTURE Authorities Publication (CASR)

Transcription

1 LECTURE Authorities Publication (CASR) 4.2 Garuda Procedure 1). AD Handling 2). Maintenance Procedure 3). Required Inspection Item 4). Repeat Discrepancy Management Page : 1 of 30

2 LECTURE Authorities Publication (CASR) Page : 2 of 30

3 AUTHORITIES PUBLICATION (CASR) CASR Part 21 CERTIFICATION PROCEDURES FOR PRODUCT AND PARTS CASR Part 39 AIRWORTHINESS DIRECTIVE CASR Part 43 MAINTENANCE, PREVENTIVE MAINTENANCE, REBUILDING, AND ALTERATION CASR Part 65 LICENSING of AIRCRAFT MAINTENANCE ENGINEERS CASR Part 91 GENERAL OPERATING AND FLIGHT RULES CASR Part 121 CERTIFICATION AND OPERATING REQUIREMENTS: DOMESTIC, FLAG AND SUPPEMENTAL AIR CASR Part 145 APPROVED MAINTENANCE ORGANIZATIONS Safety Circular AU/0649/DSKU/03/2007 Page : 3 of 30

4 LECTURE Garuda Procedure 1). AD Handling 2). Maintenance Procedure 3). Required Inspection Item 4). Repeat Discrepancy Management Page : 4 of 30

5 III-1-1 AIRWORTHINESS DIRECTIVE HANDLING 1. GENERAL Airworthiness Directives (AD) is directive from regulatory authority, which is an unsafe condition of aircraft that must be inspected, rectified, or modified before aircraft returning to service in accordance with the compliance as stated in the AD and particular airworthiness requirement which are mandated for specific aircraft, engine, or component. AD may be issued by Indonesian DGCA or State Authority of Registry of the Leasing Aircraft and State Authority of Manufacturer s. 2. RESPONSIBILITY (N/A) 3. APPLICABILITY OF THE AIRWORTHINESS DIRECTIVES PT Garuda Indonesia is comply with Airworthiness Directive which is issued by Aviation Authority of the State Aircraft Manufacturer s even they are not legally binding for Indonesian Registered Aircraft or issued by Indonesian DGCA. The Indonesia DGCA may be publish each Airworthiness Directive s issued by the state of manufacturer s covering an aircraft, engine or component, which might be installed on the registered aircraft under separate cover and number. The DGCA may also issue Airworthiness Directive s which are not covered by the state of manufacturer s if there any deviations in the content which have to be complied with. 4 PROCEDURE a. Provisioning and Distribution Senior Manager of Airworthiness Record is responsible for the proper biweekly distribution and applicability Airworthiness Directive for Garuda Indonesia aircraft, engine, and its components. Determination of the applicability and process in to the working instruction isdone. Any Airworthiness Directive which is affected to Flight Operation procedures will be send to operation department and will be processed accordingly to the Aircraft Flight Manual by Operation Department. Page : 5 of 30

6 b. Transfer to the Working Instruction Each Airworthiness Directive shall be transferred into working instruction (Job Card), the AD number shall included on the working instruction, and stamped by Mandatory so the personnel accomplish the work is aware of the importance. c. Accomplishment Upon received the Airworthiness Directive Job Card, an approved maintenance organization personnel should perform the job carefully according to the instructions, after finish the job then forward the Job Card to the Quality Control Inspector of the approved maintenance organization prior to perform the inspection and certification. No aircraft shall be release for return to service until all of the Airworthiness Directives are accomplished within the preceeding flight hours/ cycles or calendar time. An AD which is required only to revise the aircraft Flight Manual, there is not necessary to issue the instruction Job Card and the status of the revision will be informed to the Operation Department and will be recorded in the AD data base. d. Biweekly Meeting Airworthiness Record should arrange the meeting for reminder upon any Airworthiness Directive accomplishment have not been prepared accordingly. All concerned unit shall attend the meeting that involving the source of problem such as: material, tooling, ground time, etc. Biweekly Meeting is coordinated by Aircraft Engineering Program and Powerplant Engineering Program. At least three month before AD has due, the Airworthiness Record shall rising the hi light to the concerning department. 5. RECORD The status of Airworthiness Directive compliance should kept current and controlled by Airworthiness Record. The status readily accessible prior to conducting an Airworthiness Certificate renewal inspection by DGCA. Kept monitoring the pending of the AD compliance by issuing airworthiness compliance status, the remainder letter will be issued when due of the AD compliance has been reaching less than 3 months. Remainder shall be issued again if less than 1 month from the AD due does not comply yet. Page : 6 of 30

7 Airworthiness Directive compliance dirty record on working instruction (Job Card/ EO) will be kept by Aircraft Maintenance Planning function of Aircraft Maintenance Provider/ Agency which has contractual agreement with PT Garuda Indonesia. III-2-1 MAINTENANCE PERFORMANCE 1. GENERAL The assurance of continuous airworthiness under the observance of appropriate aviation regulations is a prime objective. To ensure that airworthiness of an aircraft are properly maintained, the individual approved Continuous Airworthiness Maintenance Program shall be used and implemented. The primary objective of Airworthiness Management is responsible for ensuring the aircraft are operated in highly standard airworthiness according to the market and customer requirements under the consideration of economical aspect. 2. METHOD OF MAINTENANCE All maintenance, preventive maintenance, alteration of the aircraft, engines, components and appliances carried out by contracted Approved Maintenance Organization for Garuda Indonesia, that shall be performed in accordance with the method techniques as prescribed in the Garuda Indonesia Company Maintenance Manual, current manufacturer s maintenance manuals for continued airworthiness or other methods techniques, and practices acceptable to the DGCA. Tool and equipment and test apparatus necessary to assure completion of the work in accordance with accepted industry practices shall be used. Where special equipment or test apparatus is recommended by the manufacturer involved, and that equipment or apparatus or its equivalent if acceptable to the Director General, must be use. Any maintenance organization or any person performing maintenance, preventive maintenance and alteration shall do that work in such manner and use material of such quality, that the condition of the aircraft, engine, appliances work on shall be at least equal to its original or properly altered condition and shall responsible for task their performed. Page : 7 of 30

8 3. MAINTENANCE/ INSPECTION SYSTEM All work perform shall be done by qualified person and verified by inspector, adequate and use of the standard tool & equipment, facilities described in the manufacturer maintenance manual. Maintenance personnel/ Inspection personnel are required to be thoroughly familiar with all inspection methods, techniques, and equipment used in their area of responsibility to determine the quality of airworthiness of the aircraft, engines, components and appliances undergoing maintenance, preventive maintenance or alterations. All inspectors, supervisors, and mechanics are required to be thoroughly familiar with the requirements of this Manual, CASR and Int. Aviation Regulation (part 21, 43, 65, 91, 121, 145), Airworthiness Directives, Manufacturer Maintenance Manuals, Service Letters & Bulletins, and Working Instructions. The requirement of the certifying aircraft qualification personnel is described in the chapter VII-2. Assigned personnel above when abroad, must know that they have to comply with the laws, regulations, and procedures of those states where the operations will be conducted. Those personnel shall be brief in according with chapter VII-1 Technical Training. 4. MAINTENANCE PROCESS CONTROL All maintenance, preventive maintenance, alteration process activities shall be plan to ensures that the instructions, documentation, material, facilities, tools and equipment necessary to perform the task available and manuals are accessible at the working area. Inspection program and program covering all maintenance, preventive maintenance, and alteration shall be developed by considering human factor principle to meet the plan, to provide a safe, to prevent mistake and environmentally friendly working environment for all staff. The Maintenance Programs shall be translated in to Job Card s, detail reference of maintenance manual, material, tools and equipment shall be included in the Job Card. Additionally the Airworthiness Directive and the selected Service Bulletin will also be translated in to Working Instruction then in to Job Card by responsible Engineering function of the contractor. During work process, at any stage of maintenance work, inspection, test, and relevant details shall be recorded on the Job Card s or accompanying Page : 8 of 30

9 documentation. Final inspection shall include verification that all required stages of work, including inspection, testing and recording of related data, have been taken place. a. Facilities and Equipment Appropriate facilities shall be provided to plan the works including, ensuring protection from weather also and in the case of specialized workshops, any necessary segregation to ensure environmental and work area contamination is not likely to occur. All material, part and appliances shall be kept in the standards storage and separated from the shop or working space. The storage facilities shall be organized such that only acceptable parts and supplies shall be issued for any job, and accepted standard practices for proper protection of stored material shall be followed. Detail procedure for material storage is covered in the Chapter X Approved Parts Procedure. All Maintenance, preventive maintenance and alteration performed by the Approved Maintenance Organization shall use adequate calibrated tool & equipment and hangars facility able to accommodate all Garuda aircraft. b. Planning and Control Systems The assigned Approved Maintenance Organization shall prepare all the necessary materials, appropriate facilities, manpower, equipment/ tooling and Working Instruction (Job Card) and the availability prior to the commencement of works. Sufficient flexibility is into the planning and control system to cater for unplanned work requirements or forecasting and tracking required maintenance activities. In addition to the completion of maintenance such as development and approval of the maintenance system, repair design or alterations, assessment of manufacture s service bulletins is arrange in this chapter III section 3 engineering procedure will documented the procedures for these activities. The specific accountability must be included for acquitting Airworthiness Directive whether these originated from DGCA or Foreign Authority. Page : 9 of 30

10 c. Process Control Instruction A detailed process instructions shall be provided, which include specific approved maintenance data sufficient for the planned work or which make reference to all necessary details in the Manufacture s Maintenance Manuals or other approved data. Those instructions provide for correct sequencing of the work and define of maintenance, which enable control and monitoring by qualified personnel. There are provisions in the process control system: 1) Introduction of urgent such as Airworthiness Directive compliance. 2) Controlling of new/ revised maintenance program. d. Component Process The Approved Maintenance Organization processes specific to particular Aircraft, Engine and its Component are all certified by Appropriate Authorization Holder. See chapter X this manual for detail. e. Maintenance of Tool/ Equipment Approval Tool & equipment for general use (purchased to acceptable industry standard) and special to type equipment specified by aircraft, engine and component manufacturer is approved. Approval of alternative equipment s and associated process revision must be obtained from Quality Control function. All tool & equipment, which is used for supports the maintenance activity or for health and safety consideration requires periodic checking shall be entered to tooling and equipment maintenance system. This system shall be provided with scheduling of tool maintenance and calibration at appropriate intervals by approved calibration facility. f. Non-Routine Maintenance When some additional maintenance process is required as follow-on from planned maintenance, for example further disassembly and rectification, company procedures ensure that this work is carried out in accordance with approved maintenance data with appropriate stages recorded and certified in the Aircraft Maintenance Log book. Page : 10 of 30

11 g. Occupational Safety and Health Administration The safe and friendly working environments for all staff shall be provided. Procedures have been developed for the purpose of safeguarding persons and property. The Aircraft Quality Audit & Control Unit are responsible for ensuring on going compliance with all relevant industry, environmental and occupational health and safety requirements. Personnel that holder of a authorization shall have a medical fitness statement or fit and proper statement signed by general physician with periodic medical examination period not exceeding 24 calendar months. The holder of a license or certificate authorization shall not exercise the privileges of their license or authorization if they know or suspect that their physical or mental condition renders them unfit to exercise such privileges. h. Special Processes Special Processes are those that cannot be fully verified by subsequent inspection and testing. Examples are welding, heat treatment, adhesive bonding, metal finishing and non-destructive testing. Where the quality of the process is dependent upon a special skill of the operator such as non-destructive test and hand welding or brazing, performance of these tasks shall be limited to appropriated qualified and authorized personnel. i. Personnel Duty Time Each person performing maintenance or preventive maintenance shall relieved from duty for a period of at least 24 consecutive hours during any seven consecutive days, or the equivalent thereof within any one calendar month. For detail see Human Resources Manual. ORG , Chapter 9A AIRCRAFT ARE RELEASE TO SERVICE AS AIRWORTHY The Aircraft shall be release to service following maintenance by a person a specifically authorized by Airworthiness Management. Detail procedure of the : 1) Maintenance release is describes in the chapter IX. 2) Aircraft Document is describes in the App. A-06. 3) Maintenance Check is describes in the App. C-02. Page : 11 of 30

12 6. INSPECTIONS AND TEST The Quality Assurance organization shall ensure that inspection and functional test activities are carried out in accordance with the manufacturer maintenance manual to verify that the specified requirements are met to the CASR. Provision is included for the recording results of inspections and identifying by qualified accountable person for carrying these out. a. Preliminary Inspection In determining the amount and nature of preliminary inspection, consideration should be given to the control exercised at source and documented evidence of quality conformance is provided. All aircraft undergoing maintenance shall have a preliminary inspection to determine the state of preservation (functional test as appropriate) and to note any obvious defects. The results are recorded on the AML that will the aircraft it is released for service. The preliminary inspection process for aircraft consist of physical inspection including followed by the convening of an input review committee which will determine the work plan for the aircraft based on the maintenance program requirements, modification, special inspections and physical condition. Before working on any airframe, engine or part thereof that has been in involved in an accident, thorough inspection for hidden damage, involved the areas next to the obviously damaged parts and the results documented as above. b. In-Process Inspection The quality control inspector shall do inspection, test and identify aircraft system as required by the manufacture maintenance manual, establish aircraft conformance to airworthiness requirements by use of monitoring and control methods. The process control system provides for continuity of the stage inspections, and functional test in accordance with applicable manufacturer s maintenance manual or approved methods and procedures. All required inspection items after stage of completion shall be performed to verify correct assembly. These are mandatory verifications and are called out whenever the appropriate assembly stage is complete. See chapter III-2-2 in this manual for detail. Page : 12 of 30

13 c. Shift Task Hand Over Procedure To ensure that required inspections, other maintenance preventive maintenance, and alterations that are not completed as a result of shift change or similar work interruptions are properly completed before the aircraft is released to service. Inspection continuity during personnel assignment or shift changes will be maintained by adequate written statements in the hand over book and supplemented by personnel briefing. At line and base maintenance, hands over books are used to record the status of progress maintenance at the end of each shift. The supervisory staff in charge of the shift (e.g shift leader or duty engineer ) is responsible to ensure that the Hand over Book is duly completed. d. Final Inspection After completion of all maintenance a general verification must be carried out prior to issuing Return To Service to ensure the aircraft or component is clear of all tools, equipment and any other extraneous parts and material, and that all access panels removed have been refitted (EASA 402). After determining satisfactory completion, the authorization holder shall certify with respect to the work performed. In making this determination the authorization holder will satisfy himself by: Direct or indirect supervision of the maintenance task/ process; and examination of all Job Card and master check list that all required work inspection and functional test have been performed, all work record are present and correct and that all required inspection item and certifications have been completed. No aircraft shall be released until all the activities specified in work order or quality plan have been satisfactorily completed and the associated data and documentation is available and authorized. And has been inspected or otherwise verified as conforming to the airworthiness requirements. Page : 13 of 30

14 e. Inspection and Test Records In accordance with chapter IV, this manual provides control documents, which give evidence that the aircraft has been maintained and inspected, a functional test are performed with defined acceptance criteria and identification of quality aircraft inspector, which is used to control the work and record completion. f. Inspection and Test Status The inspection, functional test status shall be identified by using the authorized stamps in the job card. This identification shall indicate conformance or non-conformance of aircraft, engine and it components with regard to inspection and functional test. Inspection and functional test status shall be maintained to ensure that only aircraft that has been maintained and inspected is ready for issuing maintenance release. Aircraft, engine and its component documentation includes certification records of all inspections and test completed at each stage together with test status or data if required. Records of supplementary or outstanding work are also held with the aircraft or component for acquittal at subsequent stages. g. Job Card Certification In order to clear and traceable of the discrepancies, do not leave the discrepancy column blank. Write the column with discrepancies or NIL when an inspection has been made and stamp the column. There are two certification column on the job card: Mech. and LAME. Its mandate to the mechanic and LAME to complete the certification after finished the job. However, when the appropriate mechanic is not available doing the job, the LAME should take the responsibility and certify in the LAME column, the mechanic column may be crossed then the responsibility rest to the LAME. Particularly for minor inspection the job card that only one column shall be certified by GA Authorization Holder. h. Special Condition When the aircraft is Return to Service for urgent operation, and some item have not performed yet due to some reason, but still under the airworthiness limitation. The item it shall be positively identified and recorded in order to permit Page : 14 of 30

15 immediate recall and replacement in the event of non-conformance to specified requirements and recorded in the AML book. When the aircraft is on the ground more than 1(one) month and the test flight is not required, the flight crew may perform ground acceptance check prior the authorization holder to release the aircraft returned to service. i. Navigation Data Base The aircraft is equipped with Electronic Navigation Data base therefore the Navigation Data Base (NDB) of all operational aircraft shall have current inserted navigation data base prior to the first flight on effective of the date. The Navigation Data Base validity shall be check at night stop (daily check/service check), every inserting current/ updating Navigation Data Base shall be recorded in the Aircraft Maintenance Log book by Authorized Personnel. j. Required Inspection Items Required Inspection Items (RII) is defined as those maintenance and alteration items that, if not performed properly, or improper parts or materials are used, could result in failure, malfunction or defect endangering the safe operation of the aircraft. Page : 15 of 30

16 III-2-2 REQUIRED INSPECTION ITEM 1. GENERAL This procedure contains required inspection method, procedures, limits, and standards necessary to comply with such inspections and list of minimum Required Inspection Items. Required Inspection Items (RII) is defined as those maintenance and alteration items that, if not performed properly, or improper parts or materials are used, could result in failure, malfunction or defect endangering the safe operation of the aircraft. The Airworthiness Management shall responsible for the administration and control of the RII management. Each person performing the required inspection on any aircraft, engine or component thereof, shall be under control of quality assurance organization. The authorized RII personnel list shall be kept by Airworthiness Management office. At line station where the Authorized RII does not exist, an authorized maintenance personnel may perform the Required Inspection Item. In such cases, entry will be made in the AML to the effect that an inspection item was bought back by an authorization holder. 2. METHODS OF PERFORMING RII The Authorized inspectors shall consult all publications that normally used in the course of maintenance to assure themselves that all work accomplished on RII conforms to applicable manual, procedures, standard and limits. Unless more specific inspection instructions are contained within the applicable manual, the inspector shall perform a visual inspection of each installation for security, safety, standard practice and workmanship. Repairs and alterations shall be inspected for proper material, fasteners, workmanship, and conformity with engineering publications. Fuel, oil, hydraulic, and pneumatic systems disturbed must be pressure checked. Authorized Inspector must witness the functional checks of all system installation on RII as listed in the paragraph 10 & 11. Page : 16 of 30

17 3. PERSONS AUTHORIZED TO PERFORM RII Any person who is authorized to perform required inspections shall be appropriately licensed, properly trained, qualified, and authorized to do so. The Airworthiness Management shall maintain a current listing of qualified inspectors who are authorized to perform Required Inspections. The list will include inspector s name, occupational title, station, type of aircraft/ engine that the inspector is authorized on, and any inspection limitations imposed. Garuda Indonesia recognizes that inspectors employed by Principal Authorized Agencies are qualified to perform Required Inspections on its aircraft according to its ratings requirements as stated in this manual, however Principal Authorized Agencies shall submitted their candidate RII personnel to GA Airworthiness Management for evaluation to issuing the RII Authorization. Airworthiness Management shall maintain a listing authorization of assigned Agency Inspectors. 4. BUY BACK INSPECTION (RE INSPECTION OF RII) All discrepancies or rejection during maintenance & operation, an inspection findings written up during which is falls under the category of RII must be identified as RII signed by R. Upon accomplishment of the rectification must be re-inspect by authorized RII inspectors, in such cases, entry shall be made in the Aircraft Maintenance Log book. 5. STANDARDS AND LIMITS OF RII To assure them that all work on RII are accomplished properly; all authorized inspectors performing inspection of RII must consult to all manufacturer publication, engineering order, or other DGCA approved data. The standards and limitation covered in the manufacturer publications shall be used to determine that the items are accepted or rejected. Unless more specific inspection instructions are contained within the applicable manual, the inspector will do a visual inspection of each installation for security, safety and workmanship according to standard practice ATA chapter 20, 51 and 70. Page : 17 of 30

18 6. PROHIBITION OF INSPECTION OF OWN WORK No person, who performed any maintenance, preventive maintenance, repair or alteration work identified as a RII may perform the required inspection of that work. The Inspector who is performing required inspection is not permitted to inspect his own work. As the expertise capacity of authorization holder may perform the aircraft maintenance (work perform), he may not allows to inspect his own work for the RII categorized, than the RII inspection shall be done by the other Company Authorization Holder. 7. COMPLETION OF REQUIRED INSPECTION No aircraft may be release for return to service undergoing maintenance; preventive maintenance, repair or alteration until all Required Inspection Items has been performed completely. Person authorized to release for return to service is responsible to assure all RII are performs properly by authorized personnel. RII inspection and certification shall not be postponed, prior to issuing the maintenance release. Any violation from this procedure, the holder of authorization, who is issuing the maintenance release will be noted and processes accordingly. 8. CONTINUITY OF REQUIRED INSPECTION AND OTHER MAINTENANCE To assure a continuing inspection, maintenance, preventive maintenance and alteration responsibility, which may span over more than one work shift, a work order form is provided in the work place. The work order will be used as status report of each concerned person informing to the next shift of the status of inspection, maintenance, preventive maintenance and alteration completed during crew shift briefing. In addition the turnover books shall be used to describe the shift s activities and to record outstanding maintenance and inspection items, which are being turned over, to the next shift. Person authorized to release for Return To Service is responsible to assure that all inspection, maintenance were not completed, as a result of employee shift changes or similar work interruptions, are properly completed before the aircraft is release to service. Page : 18 of 30

19 9. COMPLETION OF WORK All work packages scheduled maintenance to be accomplished on an aircraft engine, component or appliances shall be accompanied by a Work Order, which is listed in detail, the contents of the work package. The Job Card Master List will listing the detail job cards. Upon completion of maintenance, the authorized person who will release the aircraft, shall cross-check the contents of the work package against the Work Order and Job Card master list, to ensure that all items are completed, all discrepancies has been rectified. 10. REQUIRED INSPECTION ITEMS LIST RII personnel are distinguished between RII Personnel of Line Maintenance (LQ Stamp) and RII Personnel of Hangar Maintenance (Q Stamp) depends on their experience. RII personnel can perform RII activities based on their authorization or privilege which can be shown below. Page : 19 of 30

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23 11. CERTIFICATION APPLICATION The following is general standard of certification application on job card, engineering order. The Job Card have two column (MECH, LAME), however the third function (RII) will be identified by R letter in the LAME Column. Page : 23 of 30

24 Maintenance Job Card Certification System The higher degree of maintenance personnel is the holder of Q stamp/ sign, therefore certification of the Required Inspection Item shall have the first person to perform the work and certify by LAME in the MECH column then Q or LQ Stamp/ sign in the LAME column after Inspector doing the inspection. Normal Inspection: MECH stamp holder shall perform the work and stamp in the MECH column,if the MECH stamp holder does not present, the LAME column shall be stamped by LAME holder, the mechanic column may crossed by LAME then the responsibility rest to the LAME. In order to clear and traceable of the discrepancies, do not leave the discrepancy column are blank. Write the column with discrepancies or NIL when an inspection has been made and stamp the column. Minor maintenance Job Card has only one column certification, that must be certified by GA Authorization Holder. Page : 24 of 30

25 III-2-6 REPEAT DISCREPANCY MANAGEMENT 1. GENERAL DCA Safety Circular AU/0649/DSKU/03/2007 says that the discrepancies, which reoccurs 2 (two) times on the same aircraft during any 30 (thirty) consecutive days in operations shall be identified as a repeat discrepancy shall have a positive plan of corrective action be pursued to preclude further reoccurrence. And the discrepancies, that reoccurs 4 (four) times on the ATA 23, 25, 26, 33, 35, 38 on the same aircraft during any 30 (thirty) consecutive days in operations and shall have a positive plan of corrective action be pursued to preclude further reoccurrence. The aircraft Problem will be included at repeated discrepancy if it have trough trouble shooting process requiring one flight leg or more and is declared as solved problem by trouble shooter but the same reoccurs at less than 30 (thirty) consecutive days. An aircraft problem will also be included at repeated discrepancies if it trouble shooting process require more than 15 (fifteen) consecutive days and is still not declared as solved problem by trouble shooter yet. The purpose of the Repeat Discrepancy Management is to identify and control all of any repeat discrepancies which are not solved yet and need further trouble shooting and investigations advice/assistance. Every effort shall be made to prevent repeat discrepancies in order to eliminate unnecessary airplane out-of-service time and the cost of unnecessary component inspections and overhauls. The Repeat Discrepancy Management consists of the following elements: a. Identification. b. Review and Follow-up. b. Rectification. c. Surveillance. 2. RESPONSIBILITY The MCC Duty Engineer at Maintenance Control Center (MCC) is responsible for the coordination of all activities relating to repeat discrepancies occurring during line operations. Page : 25 of 30

26 3. PROCEDURE a. Identification 1) Duty Officer at the Maintenance Control Center (MCC) receives MAINTAVI telex from line station. Duty Officer shall review MAINTAVI telex and communicate with MCC Duty Engineer if found any finding trouble. MCC Duty Engineer shall continuously review the maintenance record of the previous 30 (thirty) days. The review shall include: a) Corrected and uncorrected pilot and ground write-ups from the computer date bases for each airplane. b) Deferred maintenance items recorded and tracked by MCC. c) Daily activity logs recorded by MCC. The logs are records of discrepancies reported by flight crew and line stations. d) Daily maintenance activities at home base and outstations. 2) When an item has been identified as a repeat discrepancy, the MCC Duty Engineer shall do as follow: a) Evaluate and decide the corrective action advice Ref. AMM, TSM and other updated relative document. b) Control daily aircraft movement and tracking for special ground time if necessary. c) All items identified as repeat discrepancies shall be brought to the attention of Airworthiness Management of Garuda Indonesia on a daily basis. b. Rectification 1) The MCC Duty Engineer shall generate the appropriate repeat discrepancy work form for each repeat discrepancy identified as follow: a) Coordinate with Production Planning and Control (PPC) Function to conduct rectification at an-outstation or at home base hangar maintenance. b) Provide material request, tools/tester & equipment management for special tool, or expert Technical Assistance/advice if necessary. Page : 26 of 30

27 c) The repeat discrepancy work form shall be identified with the phrase Repeat Discrepancy prominently displayed on the form. d) Rectification of the repeat discrepancy shall be recorded and sign-off on the airplane Maintenance Log Book. 2) For repeat discrepancies rectified at home base hangar maintenance, Production Planning and Control (PPC) Function shall make the necessary arrangements for the repair: a) PPC Function shall package the repeat discrepancy work forms together with a specific check for accomplishment. b) Copies of completed repeat discrepancy work forms and/or PPC Function shall forward maintenance log pages to MCC Duty Engineer for review. The originals shall remain with the check package for routine handling and closeout. 3) For repeat discrepancies which shall be rectified at a line station (including the home base line station), the MCC Duty Engineer shall make the necessary arrangements for the repair: a) The line station maintenance personnel assigned to work on the airplane shall be notified of the repeat discrepancy and its history. b) Additional expertise may be requested or assigned to assist in trouble shooting the repeat discrepancy. c) All returned repeat discrepancy work cards and/or maintenance log pages shall be forwarded to the MCC Duty Engineer for review. 4) If the repeat discrepancy is deferrable and trouble shooting/repair of the item shall exceed scheduled ground time: a) MCC Duty Manager shall request deferral approval to Airworthiness Management of Garuda Indonesia authorization under certain circumstance as follows: (1) There are no other airplanes available for substitution. (2) No degradation in safety level will occur. Page : 27 of 30

28 (3) The inoperative component or system will not cause an undue increase in flight crew workload. c) Based on the severity or operational impact of the repeat discrepancy, MCC Duty Engineer may suggest to MCC Duty Manager that the airplane be removed from service to facilitate corrective action. d) The MCC Duty Engineer shall make arrangement to have trouble shooting/rectification accomplished on the item at the first opportunity if repair of the discrepancy is deferred to a subsequent line maintenance opportunity. e) If repair can be deferred to the next home base hangar maintenance opportunity, responsibility for the rectification, together with the appropriate work form, shall be transferred to PPC Function. 4. REVIEW AND FOLLOW-UP a. The MCC Duty Engineer shall review returned work forms and other work records, and update records as necessary. b. Copies of the repeat discrepancy work forms, which have been cleared by maintenance corrective action shall be held in file by the MCC Duty Engineer for a minimum of 30 (thirty) days of airplane operation to assure no further recurrence. c. If item does not recur for 30 (thirty) days, the MCC Duty Engineer may clear the item from the repeat discrepancy log and discard the work card. History of the item shall be stored in computer record. d. If the item does recur, the MCC Duty Engineer shall notify the Airworthiness Management of Garuda Indonesia: 1) The MCC Duty Engineer shall reopen the repeat discrepancy. 2) Airworthiness Management of Garuda Indonesia through conversations with MCC shall determine whether to remove the airplane from service or defer the item. 3) Under no circumstances shall an airplane be released for revenue service if an item is found to have repeated continuously without the express authorization of Airworthiness Management of Garuda Indonesia. Page : 28 of 30

29 5. SURVEILLANCE a. Duty Engineer accomplishes continuing analysis and surveillance of repeat discrepancies. b. The MCC Duty Engineer is responsible for monitoring items identified as repeat discrepancies. c. Record the result status in Follow-on status record data based and turnover book. Continuation Training Module 1 Page : 29 of 30

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