SERVICE LETTER. Also affected are all Kelly or HET alternators identified in HET Service Bulletin No. 053 in Authorized Service Facility stock.

Transcription

1 Single Engine TITLE SERVICE LETTER ELECTRICAL POWER - TRANSMITTAL OF HET SERVICE BULLETIN NO. 053 EFFECTIVITY Group A Airplanes: The following airplanes were delivered with suspect alternators: MODEL SERIAL NUMBERS 182T thru , , thru T182T T thru T , T thru T , T , T thru T H thru T206H T thru T Group B Airplanes: The following airplanes that have had the alternator replaced with parts shipped from Cessna Service Parts & Programs between January 1, 2010 and July 5, MODEL SERIAL NUMBERS 182T thru , , , T182T T thru T , T , T , T , T H thru T206H T thru T All Serials T182 All Serials R182 All Serials 188 All Serials T206 All Serials U206 All Serials 207 All Serials 210 All Serials P210 All Serials Also affected are all Kelly or HET alternators identified in HET in Authorized Service Facility stock. September 12, 2013 Page 1 of 2 Cessna Aircraft Company, Cessna Customer Service, P.O. Box 7706, Wichita, KS 67277, U.S.A , Fax This document contains technical data and is subject to U.S. export regulations. This information has been exported from the United States in accordance with export administration regulations. Diversion contrary to U.S. law is prohibited. ECCN: 9E991 COPYRIGHT 2013

2 Single Engine SERVICE LETTER REASON The purpose of this service letter is to transmit the attached Hartzell Engine Technologies (HET) Service Bulletin No. 053,. DESCRIPTION HET has discovered that a group of HET P/N ASG12000 (Cessna P/N ) alternators may have an interference condition between the drive end housing and the slip ring end housing. This condition may prevent proper retention of the stator assembly, which may allow the stator to contact rotating components. Moderate to severe contact may disable the alternator. COMPLIANCE RECOMMENDED. This service letter should be accomplished at the next oil change or annual-type inspection, whichever occurs first. MATERIAL INFORMATION Refer to HET (or latest revision). NOTE: Duetolimited availability, advance scheduling is required. ACCOMPLISHMENT INSTRUCTIONS 1. Review and accomplish the attached HET (or latest revision). 2. Make appropriate entries in the airplane logbook stating compliance with this service letter and HET (or latest revision). Page 2 September 12, 2013

3 Single Engine OWNER ADVISORY TITLE ELECTRICAL POWER - TRANSMITTAL OF HET SERVICE BULLETIN NO. 053 TO: Cessna 182T, T182T, 206H, T206H, 182, T182, R182, 188, T206, U206, 207, 210, P210, and 206H Owners REASON This service letter is to inform you that has been issued. DESCRIPTION HET has discovered that a group of HET P/N ASG12000 (Cessna P/N ) alternators may have an interference condition between the drive end housing and the slip ring end housing. This condition may prevent proper retention of the stator assembly, which may allow the stator to contact rotating components. Moderate to severe contact may disable the alternator. COMPLIANCE RECOMMENDED. This service bulletin should be accomplished at the next oil change or annual-type inspection, whichever occurs first. LABOR HOURS No man-hours are required for the determination of serial effectivity of the alternator when accomplished at the next oil change or annual-type inspection. Refer to HET (or latest revision). WARRANTY For airplanes identified within the serial effectivity that are in new aircraft warranty or have an affected part in spares warranty: If necessary, 0.25 man-hour will be provided to do the feeler gage inspection. If necessary, applicable parts credit and a labor allowance credit of 2.0 man-hours per airplane will be provided to replace the alternator. Freight will be credited at the most economical method unless pre-approved by Cessna. For pre-approval contact Cessna Service Parts and Programs Warranty Administration at telephone: , fax: or cpd2claims@cessna.textron.com. For airplanes identified within the serial effectivity that are out of new aircraft or spare parts warranty: If necessary, applicable parts credit will be provided to replace the alternator. To receive credit, the work must be completed by July 15, 2014 and a warranty claim submitted by a Cessna Authorized Service Facility within 30 calendar days of service letter compliance before the credit expiration dates shown below. Domestic... August 15, 2014 International... August 15, 2014 September 12, 2013 Page 1 of 2 Cessna Aircraft Company, Cessna Customer Service, P.O. Box 7706, Wichita, KS 67277, U.S.A , Fax This document contains technical data and is subject to U.S. export regulations. This information has been exported from the United States in accordance with export administration regulations. Diversion contrary to U.S. law is prohibited. ECCN: 9E991 COPYRIGHT 2013

4 Single Engine OWNER ADVISORY Please contact a Cessna Authorized Service Facility for detailed information and arrange to have Cessna service letter accomplished on your airplane. Special Note to Authorized Service Facilities: When you complete the warranty claim, the labor allowance claimed shall be itemized for each above action completed. Access the QR code for the instructional video link that follows or use the URL address: Select this link: NOTE: As a convenience, service documents are now available online to all our customers through a simple, free-of-charge registration process. If you would like to sign up, please visit the "Customer Support Login" link at to register. Page 2 September 12, 2013

5 Service Bulletin 2900 Selma Highway Montgomery, AL USA Tel: Fax: Alternator HET P/N ASG12000 (-1, -2, & -3) Housing Gap Check 1. Planning Information A. Effectivity (1) Hartzell Engine Technologies LLC (HET) alternators: (a) (b) All Kelly or HET P/N ASG12000 (-1, -2, and -3) alternators identified by serial numbers in the range of K01XXXX through K09XXXX and H-K10XXXX through H-N030001, that do not have an A suffix. (Refer to Table 1.) Alternators may be new or overhauled units which were sold or provided by Cessna Aircraft. (i) (ii) Cessna part numbers * for new are (-1, -2, and -3) with affected serial numbers. Cessna part numbers * for overhauled are (-1RX, -2RX, and -3RX) with affected serial numbers. * Affected alternators may be used in, but are not limited to the Cessna Aircraft models listed below. The -1 & -1RX used as spares for replacement in 182, R182, 188, 206, U206, 207, 210, P210 & T303. The -2 & -2RX are used in the 208 Caravan. The -3 & -3RX are used in the 182T, T182T, 206H, & T206H. CAUTION: DO NOT USE OBSOLETE OR OUTDATED INFORMATION. PERFORM ALL WORK OR INSPECTIONS IN ACCORDANCE WITH THE MOST RECENT REVISION OF THIS SERVICE BULLETIN (SB). INFORMATION CONTAINED IN THIS SB MAY BE SIGNIFICANTLY CHANGED FROM EARLIER REVISIONS. FAILURE TO COMPLY WITH THIS SB OR THE USE OF OBSOLETE INFORMATION MAY CREATE AN UNSAFE CONDITION THAT MAY RESULT IN DEATH, SERIOUS BODILY INJURY, AND/OR SUBSTANTIAL PROPERTY DAMAGE. REFER TO THE SB INDEX FOR THE MOST RECENT REVISION LEVEL OF THIS SERVICE BULLETIN. B. Concurrent Requirements (1) None Rev. New: July 16/13 SB Hartzell Engine Technologies. - All rights reserved Page 1 of 10

6 C. Reason (1) Hartzell Engine Technologies has discovered that a group of HET P/N ASG12000 (Cessna P/N ) alternators may have an interference condition between the drive end housing and the slip ring end housing. (2) This condition may prevent proper retention of the stator assembly which may allow the stator to contact rotating components. Moderate to severe contact may disable the alternator. (3) This condition may appear in alternators manufactured between first unit of January 2010 and the first unit of March 2013 (see Table 1). (4) Notify Cessna Aircraft of the alternator condition and effectivity. (5) Regulatory action is not expected. Service Bulletin D. Description (1) This Service Bulletin provides Instructions for Continued Airworthiness (ICA). (2) This Service Bulletin is being issued to require an inspection and possible return of new or overhauled alternators per the effectivity above. E. Compliance (1) At the next regularly scheduled maintenance event causing removal of the engine cowling, but no later than the next annual inspection. (a) Determine if alternator is affected by examining the serial number per the Effectivity 1.A.1(a). (b) If affected, perform the clearance inspection on the alternator per Corrective Action instruction 3.B. (c) If the alternator does not pass the clearance inspection in 3.B, remove the affected alternator. (i) Return the affected alternator to an authorized Cessna facility. (ii) Replace the affected alternator with a unit not affected by this Service Bulletin or with a unit that meets the corrective action criteria of this Service Bulletin. (2) Compliance with this Service Bulletin is the terminating action for this Service Bulletin. (a) If an A appears after the affected serial number, the alternator has previously been inspected and passed the clearance inspection in 3.B. F. Approval (1) FAA acceptance has been obtained on technical data in this publication that affects type design. SB 053 Rev. New: July 16/13 Page 2 of Hartzell Engine Technologies. - All rights reserved

7 G. Manpower (per application) (1) A total of 1/4 (.25) man hour is required at regularly scheduled maintenance includes: (a) Inspection. (b) Return to Service. (2) If required, a total of two (2) man hours at regularly scheduled maintenance includes: (a) Removal of the alternator. (b) Installation of the alternator. (c) Return to Service H. Weight and Balance (1) No change. I. Electrical Load Data (1) No change. J. References Service Bulletin CAUTION: DO NOT USE OBSOLETE OR OUTDATED INFORMATION. PERFORM ALL INSPECTIONS OR WORK IN ACCORDANCE WITH THE MOST RECENT REVISION OF A DOCUMENT. (1) Applicable Cessna aircraft maintenance and parts manuals. (2) Applicable engine maintenance manual. (3) Applicable Cessna aircraft AFM or POH. K. Other Publications Affected (1) None 2. Material Information (1) If required by 3.B(2), one (1) each, Alternator, HET P/N ASG12000 of the dash number removed not affected by this Service Bulletin. (Supplied to Cessna only. The end user must obtain alternator from Cessna Aircraft.) (2) Miscellaneous parts, including the alternator belt, if required, must be obtained through Cessna Aircraft. Rev. New: July 16/13 SB Hartzell Engine Technologies. - All rights reserved Page 3 of 10

8 3. Accomplishment Instructions Service Bulletin WARNING: CAUTION: THIS PROCEDURE MUST BE PERFORMED BY COMPETENT AND QUALIFIED PERSONNEL WHO ARE FAMILIAR WITH ENGINE AND AIRFRAME MAINTENANCE THAT IS SPECIFIC TO THE ELECTRICAL SYSTEM. FAILURE TO DO SO MAY RESULT IN ECONOMIC LOSS, EQUIPMENT DAMAGE, AND/OR PHYSICAL INJURY. DO NOT USE OBSOLETE OR OUTDATED INFORMATION. PERFORM ALL INSPECTIONS OR WORK IN ACCORDANCE WITH THE MOST RECENT REVISION OF THIS SERVICE BULLETIN (SB) AND THE APPLICABLE ENGINE AND CESSNA AIRCRAFT MAINTENANCE MANUALS. INFORMATION CONTAINED IN THESE MANUALS OR THIS SB MAY BE SIGNIFICANTLY CHANGED FROM EARLIER REVISIONS. FAILURE TO COMPLY WITH THIS SB OR THE USE OF OBSOLETE INFORMATION MAY CREATE UNSAFE CONDITIONS THAT MAY RESULT IN DEATH, SERIOUS BODILY INJURY, AND SUBSTANTIAL PROPERTY DAMAGE. REFER TO THE APPLICABLE MANUAL INDEXES FOR THE MOST RECENT REVISION LEVEL OF A SPECIFIC PUBLICATION. A. Identification (Alternators) NOTE: The alternator locations and ease of access vary with the aircraft model. Alternators affected by this SB are belt driven. (1) If positive identification of the alternator serial number can be made through the aircraft paperwork, and the alternator is NOT affected, proceed to 3.D, Maintenance Record. If the alternator IS affected by serial number, proceed to Corrective Action instruction 3.B. (2) If positive identification of the alternator serial number CAN NOT be made through the aircraft paperwork, locate the alternator nameplate (see Figure 1) and observe the serial number. (a) (b) (c) If the alternator IS NOT affected, proceed to section 3.D for Return to Service. If the alternator IS affected, proceed with Corrective Action instruction 3.B. If the alternator IS affected, and an A appears after the serial number on the nameplate, the alternator has previously been inspected and passed the clearance inspection, proceed to section 3.D(1)b for Return to Service. SB 053 Rev. New: July 16/13 Page 4 of Hartzell Engine Technologies. - All rights reserved

9 B. Corrective Action: (1) Use a inch (0.05 mm) feeler gage to check the gap between the slip ring end and drive end housings at all four through bolt ears, completely around the ears. (Refer to Figure 3) This check may be performed with the alternator installed on the aircraft if adequate access can be made. If not, remove the alternator for this check. (a) Figure 2 shows an unacceptable feeler gage check with no gap at each ear. (b) Figure 4 shows an acceptable feeler gage check with proper gap at each ear. (2) If the inch (0.05 mm) feeler gage will not fit at any location around the ear as shown in Figure 2, the alternator must be removed. (a) Remove the affected alternator in accordance with applicable engine and/or Cessna Aircraft Maintenance Manual. (b) Return the affected alternator to an authorized Cessna facility per instructions contained in the Cessna service publication of the same subject. (3) If the inch (0.05 mm) feeler gage fits at all locations around each ear as shown in Figure 4, the alternator is acceptable. Using a suitable tool, stamp an A on the nameplate after the affected serial number to indicate the alternator has passed the clearance inspection in 3.B. (a) (b) If the alternator was not removed from the aircraft, proceed to Return to Service 3.C(3). If the alternator assembly has been removed from the aircraft, proceed to Return to Service 3.C(1). C. Return to Service (1) After the alternator has been properly installed and alternator belt properly tensioned, the aircraft will be ready to return to service. (2) Perform the recommended alternator operational tests in accordance with applicable Cessna Aircraft Maintenance Manual and applicable Cessna AFM or POH. (3) Using the applicable Cessna aircraft maintenance manual of the latest revision, install any portion of the aircraft that was removed to gain access. D. Maintenance Record Service Bulletin (1) Upon successful completion of this Service Bulletin per the applicable compliance listed, make an appropriate logbook entry noting compliance with the applicable Cessna service publication which addresses the same requirement. (a) (b) Record unit serial number in logbook when an A suffix has been added per 3.B(3). Compliance with this Service Bulletin is terminating action for the Service Bulletin. Rev. New: July 16/13 SB Hartzell Engine Technologies. - All rights reserved Page 5 of 10

10 Service Bulletin Nameplate Part Number Location Cessna Part Number Location Serial Number Location Figure 1 - Typical ASG12000 (-1, -2, & -3) Alternator (Part Number ending with RX indicates Overhauled.) Table 1 - Serial number Identification HET H- N 03 XXXX Year Code Month Code Batch Code No prefix in serial number indicates Kelly Aerospace unit & nameplate. H- prefix in serial number indicates Hartzell Engine Technologies unit & nameplate. A- stamped after serial number indicates previous compliance with this SB. Examples: Begin: K01XXXX , January, from first unit of the month End: K09XXXX , September, from first unit of the month Begin: H-K10XXXX - HET, 2010, October, from first unit of the month End: H-N HET, 2013, March, first unit of the month Year Code: K = 2010, L = 2011, M = 2012, N = 2013 SB 053 Rev. New: July 16/13 Page 6 of Hartzell Engine Technologies. - All rights reserved

11 Service Bulletin Slip Ring End (SRE) Housing SRE & DE Gap at Ear Insert inch (0.05 mm) feeler gage all around. (Alternator Shown Removed from the aircraft.) Through Bolt Ear (4 places) Drive End (DE) Housing Slip Ring End (SRE) Housing Drive End (DE) Housing Figure 2 - SRE & DE Housing Shown With Interference at Ear inch (0.05 mm) Feeler Gage Will Not Fit (Alternator Unacceptable) Insert Feeler Gage Between Each Ear Completely Around the Ear Insert Feeler Gage Between Each Ear Completely Around the Ear Figure 3 - Measure at Alternator Through Bolt Ears (4 places) Rev. New: July 16/13 SB Hartzell Engine Technologies. - All rights reserved Page 7 of 10

12 Service Bulletin SRE & DE Gap at Ear Insert inch (0.05 mm) feeler gage all around. Slip Ring End (SRE) Housing Through Bolt Ear (4 places) Drive End (DE) Housing (Alternator Shown Removed from the aircraft.) Slip Ring End (SRE) Housing Drive End (DE) Housing Figure 4 - DE & SRE Housing Shown With Appropriate Gap at Joint inch (0.50 mm) Feeler Gage Fits (Alternator Acceptable) SB 053 Rev. New: July 16/13 Page 8 of Hartzell Engine Technologies. - All rights reserved

13 4. Contact Information: Service Bulletin A. Information pertaining to these alternators and their usage must be made through Cessna Aircraft. B. General information regarding SB 053 may be obtained through Hartzell Engine Technologies Technical Support at (888) or via Fax (334) C. For communication regarding SB 053 use or visit our website: select "contact" and follow the instructions. D. The alternator must be returned to Cessna Aircraft per instructions contained in their service publication of the same subject, contact your local authorized Cessna facility for further information. Rev. New: July 16/13 SB Hartzell Engine Technologies. - All rights reserved Page 9 of 10

14 Service Bulletin INTENTIONALLY LEFT BLANK SB 053 Rev. New: July 16/13 Page 10 of Hartzell Engine Technologies. - All rights reserved