# AiResearch TSE331 series

- Type: Engine model (FAA registry)
- Registry codes: 01505, 01520
- Manufacturer (registry): AIRESEARCH
- Model: TSE331 SERIES
- Engine type: Turbo-shaft
- Power: 800 hp
- Data sheet: [TCDS E4WE](https://openairdocs.org/tcds/E4WE) (OpenAirDocs)
- Holder: Honeywell Aerospace US LLC
- Installed in: 5 registered aircraft
- Page: https://openairdocs.org/engine/airesearch-tse331-series

The registry names only the engine series, so ADs for every model in the series are matched. The FAA lists this model under more than one registry code, usually for different spellings of the maker. This page covers them all.

## ADs that may apply (OpenAirDocs)

Matched to this engine model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

- [AD 2018-13-05](https://openairdocs.org/ad/2018-13-05): Turbine Engine Reduction Gear · Honeywell International TPE331-1, TPE331-10, TPE331-10AV and 18 more. Effective Jul 26, 2018
- [AD 2016-18-17](https://openairdocs.org/ad/2016-18-17): Compressor impeller · Honeywell International TPE331-10, TPE331-10AV, TPE331-10GP and 22 more. Effective Nov 4, 2016
- [AD 2006-14-03](https://openairdocs.org/ad/2006-14-03): New flight cycle counting method for first, second, and third-stage turbine rotors · Honeywell International TPE331-1, TPE331-10, TPE331-10A and 48 more. Effective Aug 9, 2006
- [AD 2002-25-02](https://openairdocs.org/ad/2002-25-02): First stage compressors implellers · Honeywell International TPE331-10, TPE331-10A, TPE331-10AV and 35 more. Effective Jan 21, 2003
- [AD 2002-21-15](https://openairdocs.org/ad/2002-21-15): Second stage turbine stator inner seal support · Honeywell International TPE331-1, TPE331-2, TPE331-2UA and 9 more. Effective Nov 26, 2002
- [AD 98-04-15](https://openairdocs.org/ad/98-04-15): Turbine Stators · Honeywell International TPE331-1, TPE331-2, TPE331-2UA and 9 more. Effective Apr 27, 1998
- [AD 95-16-08](https://openairdocs.org/ad/95-16-08): Life Limited Turbine Components · Honeywell International TPE331-1, TPE331-10, TPE331-10A and 62 more. Effective Sep 5, 1995
- [AD 94-09-08](https://openairdocs.org/ad/94-09-08): Third Stage Stator Turbine Assemblies · Honeywell International TPE331-1, TPE331-2, TPE331-2UA and 7 more. Effective May 20, 1994
- [AD 92-26-08](https://openairdocs.org/ad/92-26-08): Third Stage Stator Assemblies · Honeywell International TPE331-1, TPE331-2, TPE331-2UA and 7 more. Effective Jul 15, 1993
- [AD 93-05-09](https://openairdocs.org/ad/93-05-09): Third Stage Turbine Stator Assemblies · Honeywell International TPE331-1, TPE331-2, TPE331-2UA and 9 more. Effective Jun 28, 1993
- [AD 89-07-07 R1](https://openairdocs.org/ad/89-07-07-R1): Oil Scavenge Pump Assembly · Honeywell International TPE331-1, TPE331-10, TPE331-10R and 26 more. Effective Oct 30, 1989
- [AD 73-26-07 R3](https://openairdocs.org/ad/73-26-07-R3): Fuel Pump Shaft Internal Drive Splines · Honeywell International TPE331-1, TPE331-1U, TPE331-1UA and 39 more. Effective Jul 31, 1980
- [AD 73-26-03](https://openairdocs.org/ad/73-26-03): Fuel Control Drive · Honeywell International TSE331-3U. Effective Dec 28, 1973

Historical (superseded or no longer in force):

- [AD 91-04-02](https://openairdocs.org/ad/91-04-02) (historical): Third stage stator assembly · Honeywell International TPE331-1, TPE331-2, TPE331-2UA and 7 more
- [AD 90-21-01](https://openairdocs.org/ad/90-21-01) (historical): Third stage stator assembly · Honeywell International TPE331-1, TPE331-2, TPE331-2UA and 7 more

## Information bulletins (advisory) (1)

- [SAIB NE-06-69](https://openairdocs.org/saib/NE-06-69): . Issued Sep 20, 2006

## Registered aircraft (5)

- [N1255T](https://openairdocs.org/aircraft/N1255T): [Sierra Aeronautics LLC](https://openairdocs.org/faa-owner/SIERRA%20AERONAUTICS%20LLC), [Franklin, KY](https://openairdocs.org/faa-place/KY/Franklin), built 1954, S/N 55607
- [N17758](https://openairdocs.org/aircraft/N17758): [N17758 LLC](https://openairdocs.org/faa-owner/N17758%20LLC), [Salem, OR](https://openairdocs.org/faa-place/OR/Salem), built 1996, S/N V55-396T
- [N2300Z](https://openairdocs.org/aircraft/N2300Z): [Provost Michael A](https://openairdocs.org/faa-owner/PROVOST%20MICHAEL%20A), [Jefferson, GA](https://openairdocs.org/faa-place/GA/Jefferson), built 1954, S/N 55750
- [N2650M](https://openairdocs.org/aircraft/N2650M): [Sierra Aeronautics LLC](https://openairdocs.org/faa-owner/SIERRA%20AERONAUTICS%20LLC), [Franklin, KY](https://openairdocs.org/faa-place/KY/Franklin), built 1954, S/N 55907
- [N502AK](https://openairdocs.org/aircraft/N502AK): [Provost Michael A](https://openairdocs.org/faa-owner/PROVOST%20MICHAEL%20A), [Jefferson, GA](https://openairdocs.org/faa-place/GA/Jefferson), built 1997, S/N V55-896T

## NTSB investigations (3)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB WPR09LA371](https://openairdocs.org/ntsb/WPR09LA371), Jul 24, 2009: Sikorsky S-55 (N1255T), Chelan, WA, substantial damage. Probable cause: Failure of a seal in the hydraulic system resulting in a loss of hydraulic pressure while maneuvering at low altitude.
- [NTSB ATL02LA130](https://openairdocs.org/ntsb/ATL02LA130), Jun 25, 2002: Sikorsky S-55-QT (N2300Z), Orlando, FL, substantial damage. Probable cause: Failure of the cyclic lateral control rod end bearing, and subsequent dynamic rollover.
- [NTSB LAX00FA342](https://openairdocs.org/ntsb/LAX00FA342), Sep 18, 2000: Sikorsky/Orlando S-55 (N17754), Hoover Dam, AZ, substantial damage. Probable cause: **This report was modified on 2/23/2016. Please refer to the public docket for this accident for more information.** The failure of Papillon maintenance personnel to recognize the significance of the…

## FAA accident and incident reports (5)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 20090724012789A](https://openairdocs.org/incident/20090724012789A), Jul 24, 2009: Skrsky S55B (N1255T), Chelan, WA, Substantial damage. (-23) During cherry-drying hover over orchard, lost hydraulic power, pulled and cleared orchard, selected near-by vacant field and executed precautionary…
- [Accident 20020625015499A](https://openairdocs.org/incident/20020625015499A), Jun 25, 2002: Skrsky S55 (N2300Z), Orlando, FL, No damage. (-23) On the ground, while in the process of engaging the hydrometrical clutch at approximately 110 rotor RPM, there was a loud bang. The cyclic stick was…
- [Accident 20000918038539A](https://openairdocs.org/incident/20000918038539A), Sep 18, 2000: Skrsky S55 (N17754), No damage. (-23)No narrative
- [Incident 19990810038129I](https://openairdocs.org/incident/19990810038129I), Aug 10, 1999: Skrsky S55 (N17754), Orlando, FL, Minor damage. (-23) Mr. James r. arnold, FAA flight test pilot, rotorcraft directorate, aircraft certification service, fort worth, Texas, 76193-0170, and captain ron…
- [Incident 19880203011949I](https://openairdocs.org/incident/19880203011949I), Feb 3, 1988: Skrsky S55 (N2650M), West Palm Beach, FL. Engine lost power at cruise altitude. Landed on golf course. Failure due to fracture of cylinder exhaust push rod.

## STCs that may be installed (OpenAirDocs) (1)

Approved for this engine model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has.

- [STC SE00265AT](https://openairdocs.org/stc/SE00265AT): Install Ayres Fuel Manifold Purge Assembly Kit, P/N 21757-1 in accordance with "Installation Instructions - Ayres P/N 21757-1 Fuel Manifold Purge Assy-Kit" Dwg. No. 21757-1(1), Revision none, dated April 20, 1993, or later FAA approved revision. Thrush Aircraft Inc. Lists TSE331-3U

## PMA parts (OpenAirDocs) (55, first 50)

Current parts manufacturer approvals (PMA): parts the FAA has approved companies to make as replacements or modifications. Each record lists its models as free text; OpenAirDocs matched them to this engine model on its data sheet, so check the FAA record before relying on it. Newest first.

- [3101373-1HP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID126059261820250813163423.0001): Lock Plate. Central Texas Aircraft Parts (CTAP) · PMA PQ0880SW · Replaces 3101373-1 · Aug 7, 2025
- [893579-1HP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID146766403720250813163429.0001): Bushing. Central Texas Aircraft Parts (CTAP) · PMA PQ0880SW · Replaces 893579-1 · Aug 4, 2025
- [866759-1TX](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID131334739220230314100841.0001): Ring. Central Texas Aircraft Parts (CTAP) · PMA PQ0880SW · Replaces 866759-1 · Mar 13, 2023
- [2118250-2](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID186433805520230727204705.0001): Single Red Line Controller. Honeywell International Inc. · PMA PQ1222NM · Replaces 2118250-2 · Mar 8, 2022
- [2117420-3](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID184114086320230727204701.0001): Single Red Line Controller. Honeywell International Inc. · PMA PQ1222NM · Replaces 2117420-3 · Mar 8, 2022
- [2101322-15](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID183301110720230727204657.0001): Electronic Engine Controller. Honeywell International Inc. · PMA PQ1222NM · Replaces 2101322-15 · Mar 8, 2022
- [2101322-14](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID181206374420230727204656.0001): Electronic Engine Controller. Honeywell International Inc. · PMA PQ1222NM · Replaces 2101322-14 · Mar 8, 2022
- [2118600-3](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID178945110720230727204707.0001): Single Red Line Controller. Honeywell International Inc. · PMA PQ1222NM · Replaces 2118600-3 · Mar 8, 2022
- [2117700-4](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID159584220120230727204702.0001): Integrated Engine Controller. Honeywell International Inc. · PMA PQ1222NM · Replaces 2117700-4 · Mar 8, 2022
- [2118600-4](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID154125286620230727204708.0001): Single Red Line Controller. Honeywell International Inc. · PMA PQ1222NM · Replaces 2118600-4 · Mar 8, 2022
- [2101826-3](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID149262360420230727204658.0001): Single Red Line Controller. Honeywell International Inc. · PMA PQ1222NM · Replaces 2101826-3 · Mar 8, 2022
- [2117420-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID136784847620230727204700.0001): Single Red Line Controller. Honeywell International Inc. · PMA PQ1222NM · Replaces 2117420-1 · Mar 8, 2022
- [2118356-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID129256531020230727204706.0001): Electronic Engine Control. Honeywell International Inc. · PMA PQ1222NM · Replaces 2118356-1 · Mar 8, 2022
- [2118724-2](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID123850908720230727204709.0001): Integrated Engine Controller. Honeywell International Inc. · PMA PQ1222NM · Replaces 2118724-2 · Mar 8, 2022
- [2117868-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID122037585620230727204703.0001): Memory Module. Honeywell International Inc. · PMA PQ1222NM · Replaces 2117868-1 · Mar 8, 2022
- [2101990-3](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID111913565620230727204659.0001): Single Red Line Controller. Honeywell International Inc. · PMA PQ1222NM · Replaces 2101990-3 · Mar 8, 2022
- [2118042-2](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID111660216320230727204704.0001): Single Red Line Controller. Honeywell International Inc. · PMA PQ1222NM · Replaces 2118042-2 · Mar 8, 2022
- [2101322-13](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID106726957420230727204655.0001): Electronic Engine Controller. Honeywell International Inc. · PMA PQ1222NM · Replaces 2101322-13 · Mar 8, 2022
- [949594-12](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID105942022120230727204654.0001): Torque and Temp. Limiter. Honeywell International Inc. · PMA PQ1222NM · Replaces 949594-12 · Mar 8, 2022
- [949594-9](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID183325598120230727204723.0001): Torque and Temp. Limiter. Honeywell International Inc. · PMA PQ1222NM · Replaces 949594-9 · Mar 7, 2022
- [949592-5](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID178202395420230727204719.0001): Torque and Temp. Limiter. Honeywell International Inc. · PMA PQ1222NM · Replaces 949592-5 · Mar 7, 2022
- [949594-5](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID174718865720230727204720.0001): Torque and Temp. Limiter. Honeywell International Inc. · PMA PQ1222NM · Replaces 949594-5 · Mar 7, 2022
- [949594-6](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID117722158620230727204721.0001): Torque and Temp. Limiter. Honeywell International Inc. · PMA PQ1222NM · Replaces 949594-6 · Mar 7, 2022
- [949594-8](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID115640397520230727204722.0001): Torque and Temp. Limiter. Honeywell International Inc. · PMA PQ1222NM · Replaces 949594-8 · Mar 7, 2022
- [3103585-1WD](https://drs.faa.gov/browse/excelExternalWindow/CBF0B872508D732D86257F37005F5BCD.0001): Bearing Set, Annular Ball. Wencor LLC (formerly Dixie Aerospace LLC) · PMA PQ1630CE · Replaces Honeywell 3103585-1 · Dec 14, 2015
- [3103585-1WD](https://drs.faa.gov/browse/excelExternalWindow/49A0B46B3DC5F411862576B2004E2744.0001): Bearing Set, Annular Ball. Wencor LLC (formerly Dixie Aerospace LLC) · PMA PQ1630CE · Replaces Honeywell 3103585-1 · Dec 7, 2009
- [334500WFC](https://drs.faa.gov/browse/excelExternalWindow/DB3F9ED7AE5B3F8F8625763F0066221A.0001): Oil Filter Element. Western Filter A Division of Donaldson Company Inc · PMA PQ1847NM · Replaces 3001436-1, P-1070, 1740473, 7513983… · Aug 20, 2009
- [334500WFC](https://drs.faa.gov/browse/excelExternalWindow/18002BF59237BD8E862575BB00733213.0001): Oil Filter Element. Western Filter A Division of Donaldson Company Inc · PMA PQ1847NM · Replaces 3001436-1 P-1070 1740473, 7513983… · Apr 27, 2009
- [334500WFC](https://drs.faa.gov/browse/excelExternalWindow/195256D87944EF4F8625746B0054DFC3.0001): Oil Filter Element. Western Filter Corporation · PMA PQ1847NM · Replaces 3001436-1 P-1070 1740473, 7513983… · May 26, 2008
- [334500WFC](https://drs.faa.gov/browse/excelExternalWindow/C807FC2160D0E8528625740B005FC7A2.0001): Oil Filter Element. Western Filter Corporation · PMA PQ1847NM · Replaces Honeywell 3001436-1 · Feb 26, 2008
- [893579-1HP](https://drs.faa.gov/browse/excelExternalWindow/445AD6A676E55D2C862571FF005154DF.0001): Bushing. Central Texas Aircraft Parts (CTAP) · PMA PQ0880SW · Replaces Allied Signal 893579-1 · Aug 30, 2006
- [334500WFC](https://drs.faa.gov/browse/excelExternalWindow/E8E8340D226B6D7E8625706F007547E8.0001): Oil Filter Element. Western Filter Corporation · PMA PQ1847NM · Replaces Honeywell International 3001436-1 · Jun 30, 2005
- [334500WFC](https://drs.faa.gov/browse/excelExternalWindow/D0132D2041A653C48525704D0059661C.0001): Oil Filter Element. Western Filter Corporation · Replaces Honeywell International 3001436-1 · Oct 20, 2003
- [TAS300-01U](https://drs.faa.gov/browse/excelExternalWindow/B87E618C02DBC2908525704D00562430.0001): Engine Preheater. Tanis Aircraft Services · Modification part · Nov 23, 1997
- [53051](https://drs.faa.gov/browse/excelExternalWindow/D1A8F1FCCD645BE78525703E0068F806.0001): Lead Ignition. Champion Aerospace LLC · Replaces Allied Signal 453-515-9003 · Aug 15, 1993
- [50221-7](https://drs.faa.gov/browse/excelExternalWindow/CF8ACF385E8E44B58525703E0068F7F9.0001): Lead Ignition. Champion Aerospace LLC · Replaces Allied Signal 369876-7 · Aug 15, 1993
- [50221-25](https://drs.faa.gov/browse/excelExternalWindow/B95650D97E0F45688525703E0068F7F2.0001): Lead Ignition. Champion Aerospace LLC · Replaces Allied Signal 369876-25 · Aug 15, 1993
- [50221-12](https://drs.faa.gov/browse/excelExternalWindow/B5CAD44B6D2A2A318525703E0068F7E9.0001): Lead Ignition. Champion Aerospace LLC · Replaces Allied Signal 369876-12 · Aug 15, 1993
- [50221-29](https://drs.faa.gov/browse/excelExternalWindow/516C3AB74299E5148525703E0068F7F4.0001): Lead Ignition. Champion Aerospace LLC · Replaces Allied Signal 369876-29 · Aug 15, 1993
- [50221-6](https://drs.faa.gov/browse/excelExternalWindow/273B4695AC3B14478525703E0068F7F8.0001): Lead Ignition. Champion Aerospace LLC · Replaces Allied Signal 369876-6 · Aug 15, 1993
- [50221-24](https://drs.faa.gov/browse/excelExternalWindow/232E4887E2F4A3F28525703E0068F7F1.0001): Lead Ignition. Champion Aerospace LLC · Replaces Allied Signal 369876-24 · Aug 15, 1993
- [50221-6](https://drs.faa.gov/browse/excelExternalWindow/CBA4868EAA1088558525703E0068F426.0001): Lead Ignition. Champion Aerospace LLC · Replaces Garrett 369876-6 · Aug 16, 1992
- [50221-29](https://drs.faa.gov/browse/excelExternalWindow/B0BD659FCF71CEC08525703E0068F41F.0001): Lead Ignition. Champion Spark Plug Co · Replaces Garrett 369876-29 · Aug 16, 1992
- [50221-7](https://drs.faa.gov/browse/excelExternalWindow/9ACF768EA445AC988525703E0068F428.0001): Lead Ignition. Champion Aerospace LLC · Replaces Garrett 369876-7 · Aug 16, 1992
- [50221-29](https://drs.faa.gov/browse/excelExternalWindow/884F470C0711B6D48525703E0068F41E.0001): Lead Ignition. Champion Aerospace LLC · Replaces Garrett 369876-29 · Aug 16, 1992
- [50221-12](https://drs.faa.gov/browse/excelExternalWindow/80D07AAC99C2485A8525703E0068F409.0001): Lead Ignition. Champion Spark Plug Co · Replaces Garrett 369876-12 · Aug 16, 1992
- [53051](https://drs.faa.gov/browse/excelExternalWindow/5F2C6591AD1539668525703E0068F44D.0001): Ignition Lead. Champion Aerospace LLC · Replaces Garrett 453-515-9003 · Aug 16, 1992
- [50221-12](https://drs.faa.gov/browse/excelExternalWindow/595D7493A78B08788525703E0068F408.0001): Lead Ignition. Champion Aerospace LLC · Replaces Garrett 369876-12 · Aug 16, 1992
- [50221-24](https://drs.faa.gov/browse/excelExternalWindow/473500EA91BA36878525703E0068F418.0001): Lead Ignition. Champion Aerospace LLC · Replaces Garrett 369876-24 · Aug 16, 1992
- [53051](https://drs.faa.gov/browse/excelExternalWindow/3B803CD22431DDA48525703E0068F44E.0001): Ignition Lead. Champion Spark Plug Co · Replaces Garrett 453-515-9003 · Aug 16, 1992

All of them: https://openairdocs.org/engine/airesearch-tse331-series/pma.md

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