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Airworthiness Directive

AD 2002-21-15 67 FR 64798 Active

Federal Aviation Administration · 14 CFR part 39

Requires replacing second stage turbine stator assemblies, part numbers (P/N's) 894528-1, -2, -3, -5, -6, -10, and -11, with serviceable turbine stator assemblies.

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FR document
02-26790
Amendment
39-12922
Published
2002-10-22
Effective
2002-11-26
Models covered
1

Last live check: 2026-08-19

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AD

2002-21-15

FR doc 02-26790 · 67 FR 64798

AD 2002-21-15Published 2002-10-22Effective 2002-11-26

FAA rule - 14 CFR 39

FAA rule. Compliance with an applicable AD is required under 14 CFR 39.7. Check its effective date, applicability, compliance times and current status.

Requires replacing second stage turbine stator assemblies, part numbers (P/N's) 894528-1, -2, -3, -5, -6, -10, and -11, with serviceable turbine stator assemblies.

Full official abstract

This amendment adopts a new airworthiness directive (AD), that is applicable to Honeywell International Inc. (formerly AlliedSignal Inc., Garrett Engine Division, Garrett Turbine Engine Company, and AiResearch Manufacturing Company of Arizona) TPE331 series turboprop and TSE331-3U series turboshaft engines. This amendment requires replacing second stage turbine stator assemblies, part numbers (P/N's) 894528-1, -2, -3, -5, -6, -10, and -11, with serviceable turbine stator assemblies. This amendment is prompted by reports of six uncontained separations of the second stage turbine wheels associated with obstructed internal cooling holes or passage in the vanes of the second stage turbine stator which may result in contact and rub into the turbine rotor. The actions specified by this AD are intended to prevent uncontained turbine rotor separation and damage to the aircraft.

More directives for Honeywell TPE331

  1. AD 2018-22-01 Airworthiness Directives; Honeywell International Inc. Turboprop Engines Effective 2018-12-10
  2. AD 2018-17-15 Airworthiness Directives; Honeywell International Inc. Turboprop and Tur... Effective 2018-10-22
  3. AD 2018-13-05 Airworthiness Directives; Honeywell International Inc. Turboprop and Tur... Effective 2018-07-26
  4. AD 2018-02-14 Airworthiness Directives; Honeywell International Inc. Turboprop and Tur... Effective 2018-02-28
  5. AD 2016-21-07 Airworthiness Directives; Honeywell International Inc. Turboprop Engines Effective 2016-11-28

All Honeywell TPE331 directives

View on Federal Register (opens in a new tab) View this AD in FAA DRS (opens in a new tab) Print AD packet (opens the full Federal Register document in a new tab)

Applies to 1 model in our index