Airesearch TPE331 Airworthiness Directives

Every AD in the library whose text names the Airesearch TPE331, of which 662 are registered in the US.

8 not superseded, 4 of them with a repeat action. 10 listed in all, newest published November 5, 2018.

Published sinceHide 2 supersededOnly repeat actions8 of 10

2018-17-15Turbine engine combustion sectionEngineSupersedes 2018-02-14Repeat actionSep 17, 2018
2018-13-05Requires initial and repetitive engine oil filter sampling and analysis of the affected engines and inspections of certain hydraulic torque sensor gear assembliesTurbine engine reduction gear · EngineRepeat actionJun 21, 2018
2012-02-06Requires inspecting certain serial number (S/N) first stage turbine disks, part number (P/N) 3101520-1 and P/N 3107079-1Honeywell International Inc. TPE331-10 and TPE331-11 Series Turboprop Engines · EngineRepeat actionFeb 9, 2012
2004-09-29Requires initial and repetitive fluorescent penetrant inspections (FPIs) and eddy current inspections (ECIs) of the affected first stage turbine disksHoneywell International Inc. (Formerly AlliedSignal Inc., Garrett Turbine Engine Company, and AiResearch Manufacturing Company of Arizona) TPE331-10 and -11 Series Turboprop Engines · EngineRepeat actionMay 11, 2004
2018-22-01Requires removing certain second stage turbine rotors from service at a reduced life limitTurbine section · EngineSupersedes 88-12-10Nov 5, 2018
2016-18-17Requires removal of the 2nd stage compressor impellerHoneywell International Inc. Turboprop and Turboshaft Engines · EngineSep 30, 2016
2009-17-05Requires removing certain first stage turbine disks from serviceHoneywell International Inc. TPE331-10 and TPE331-11 Series Turboprop Engines · EngineAug 17, 2009
2006-14-03Requires implementing a new flight cycle counting method for first, second, and third-stage turbine rotors used in aircraft that make multiple takeoffs and landings without an engine shutdown, and removing turbine...Honeywell International Inc. TPE331 Series Turboprop, and TSE331-3U Model Turboshaft Engines · EngineJul 5, 2006

Listed by the model designations in each AD's text. An AD written for a part number, or for "all" engines of a maker, may name no model and so not appear here: search the library for the part or the maker as well.