AD 2013-26-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | CFM | International S | Airworthiness Directives; CFM International S.A. Turbofan Engines |
Unsafe Condition
Total loss of engine oil from CFM56 series turbofan engines while in flight, caused by unsecured handcranking pad covers.
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Required Actions
An independent inspection is required to verify re-installation of the handcranking pad cover after removal for maintenance. Operators may also insert an Independent Inspection requirement in their aircraft Continuous Airworthiness Maintenance Program (CAMP).
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Compliance Time
Within 35 days of publication in the Federal Register.
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Affected Aircraft
All CFM International S.A. CFM56-3 and CFM56-7B series turbofan engines with certain accessory gearboxes (AGBs) not equipped with a handcranking pad oil dynamic seal assembly.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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