Superseded. This AD was superseded by AD 2022-02-03. Verify which one applies to your serial and effectivity before any maintenance action.
AD 2013-26-01
Effective 02/03/2014 · Published 12/30/2013
Airworthiness Directives; CFM International S.A. Turbofan Engines
Summary
We are adopting a new airworthiness directive (AD) for all CFM International (CFM) 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. This AD was prompted by 42 events of total loss of engine oil from CFM56 series turbofan engines while in flight. This AD requires an independent inspection to verify re-installati…