Airworthiness directives › 2016-07-02
AD 2016-07-02 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. (Honeywell) TFE731-4, -4R, -5AR, -5BR, and -5R turbofan engines with an interstage turbine transition (ITT) duct, part number (P/N) 3075292-4, installed, with a serial number (S/N) listed in Table 2 of Honeywell Service Bulletin (SB) TFE731-72-3789, Revision 0, dated March 23, 2015.
Compliance
For the purpose of this AD, a part eligible for installation is an ITT duct with an S/N that is not listed in Table 2 of Honeywell SB TFE731-72-3789, Revision 0, dated March 23, 2015 or, if listed in Table 2 of this SB, was reworked using Honeywell SB TFE731-72-3789.
Required actions
After the effective date of this AD, do not install any ITT duct with an S/N listed in Table 2 of Honeywell SB TFE731-72-3789, Revision 0, dated March 23, 2015, onto any engine, unless the ITT duct is marked with the overhaul/repair instructions number “P35864” near the ITT duct P/N and S/N markings.
Unsafe condition
Comply with this AD within the compliance times specified, unless already done. (1) At the next removal of the ITT duct from the engine not to exceed 2,600 hours time-in-service after the effective date of this AD, remove the affected ITT duct and replace with a part eligible for installation. (2) Reserved.
Affected ADs
None.
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