Airworthiness directives › 2014-12-52
AD 2014-12-52 Airworthiness Directives; Honeywell International Inc. (Type Certificate Previously Held by AlliedSignal Inc., Garrett Turbine Engine Company) Turbofan Engines
Applicability*9
This AD applies to all Honeywell International Inc. TFE731-4, -4R, -5AR, -5BR, -5R, -20R, -20AR, -20BR, -40, -40AR, -40R, -40BR, -50R, and -60 turbofan engines with 2nd stage low-pressure turbine (LPT2) blades, part number (P/N) 3075424-1, -2, or -3, installed.
Compliance
Special flight permits are permitted for one over-land ferry flight to a maintenance facility where engines can be removed.
Required actions
The Manager, Los Angeles Aircraft Certification Office, FAA, may approve AMOCs for this AD. Use the procedures found in 14 CFR 39.19 to make your request.
Unsafe condition
Comply with this AD within the compliance times specified, unless already done. (1) Before further flight, review engine logbook maintenance records to determine if any engine is installed that has LPT2 blade, P/N 3075424-1, -2, or -3, installed with less than 250 operating hours since new on the blade. (2) For two-engine airplanes that have two engines with LPT2 blades installed that have less than 250 operating hours since new, remove all affected engines before further flight. (3) For three-engine airplanes that have two or more engines with LPT2 blades installed that have less than 250 operating hours since new, remove all affected engines before further flight. (4) After the effective date of this AD, do not install any engine that has installed in it LPT2 blades, P/N 3075424-1, -2, or -3, that have less than 250 operating hours since new.
Affected ADs
This AD supersedes Emergency AD 2014-12-52, Directorate Identifier 2014-NE-09-AD, dated June 10, 2014.
Read the original on the Federal Register →
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