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AD/CFM56/25 - Air Turbine Starter
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Turn the raw legal text into a practical explanation grounded in AD/CFM56/25 - Air Turbine Starter.
| AD/CFM56/25 | Air Turbine Starter | 3/2007 |
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| Applicability: | CFM International turbofan engines CFM56-5, CFM56-5B, CFM56-5C models and with any one of the following part number (P/N) air turbine starters installed:CFM56-5:VIN 3505582-24 (301-807-004-0); or VIN 3505582-25 (301-807-005-0); orVIN 3505582-40 (301-781-203-0); or VIN 3505582-41 (301-806-602-0); orVIN 3505582-42 (301-806-802-0).CFM56-5B or CFM56-5C:VIN 3505582-60 (301-790-903-0); or VIN 3505582-61 (301-806-702-0); orVIN 3505582-62 (301-806-902-0). |
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| Requirement: | Rework Air Turbine Starter in accordance with the following Service Bulletins (SB), as applicable.CFM56-5 80-0018.CFM56-5 80-0020.CFM56-5B 80-0011.CFM56-5C 80-0013.For the purpose of this AD, starter modification in accordance with the applicable Service Bulletins at any Revision status is acceptable.Note: DGAC Airworthiness Directive F-2003-456 Revision 2 dated29 September 2004 refers. |
| Compliance: | Unless already accomplished, during the next shop visit of the starter from the effective date of this AD, but no later than 31 December 2009. |
| This Airworthiness Directive becomes effective on 15 March 2007. |
| Background: | Several in-service uncontained failures of the air turbine starter have resulted in damage to the engine and/or fan cowl. The actions required by this AD address the unsafe condition associated with uncontained failure of air turbine starters. |
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James Coyne
Delegate of the Civil Aviation Safety Authority
2 February 2007