Airworthiness directives › 2013-26-01
AD 2013-26-01 Airworthiness Directives; CFM International S.A. Turbofan Engines
Applicability*9
This AD applies to CFM International S.A. CFM56-3 series and CFM56-7B series turbofan engines equipped with the following accessory gearbox (AGB) part numbers (P/Ns): (1) For CFM56-3 engines: 335-300-103-0, 335-300-105-0, 335-300-106-0, 335-300-107-0, 335-300-108-0, 335-300-109-0, or 335-300-110-0. (2) For CFM56-7B engines (except CFM56-7B27A, CFM56-7B27A/3, and CFM56-7B27AE engines): 340-046-503-0, 340-046-504-0, or 340-046-505-0. (3) For CFM56-7B27A, CFM56-7B27A/3, and CFM56-7B27AE engines: 340-188-601-0 or 340-188-603-0.
Compliance
(1) Perform an Independent Inspection to verify re-installation of the AGB handcranking pad cover after any maintenance that involves the removal and re-installation of the AGB handcranking cover, or (2) Insert an Independent Inspection as a required inspection item in the approved continuous airworthiness maintenance program for the aircraft.
Required actions
As an optional terminating action to the inspection requirement of paragraph (f) of this AD, install an AGB that is not listed in paragraph (c) of this AD that incorporates the oil dynamic seal assembly.
Unsafe condition
Unless already done, do the actions in paragraphs (f) or (g) of this AD.
Affected ADs
None.
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