# Honeywell TPE331-2

- Type: Engine model (FAA registry)
- Registry code: 33956
- Manufacturer (registry): HONEYWELL
- Model: TPE331-2
- Engine type: Turbo-prop
- Power: 715 hp
- Data sheet: [TCDS E3WE](https://openairdocs.org/tcds/E3WE) (OpenAirDocs)
- Holder: Honeywell Aerospace US LLC
- Installed in: 3 registered aircraft
- Page: https://openairdocs.org/engine/honeywell-tpe331-2

Model codes come from the FAA registry's reference file.

## 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 2018-17-15](https://openairdocs.org/ad/2018-17-15): Turbine Engine Combustion Section · Honeywell International TPE331-1, TPE331-10, TPE331-10AV and 39 more. Effective Oct 22, 2018
- [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 2016-21-07](https://openairdocs.org/ad/2016-21-07): Fuel control drive · Honeywell International TPE331-1, TPE331-10, TPE331-10AV and 26 more. Effective Nov 28, 2016
- [AD 2011-18-51 R1](https://openairdocs.org/ad/2011-18-51-R1): Main shaft bearing · Honeywell International TPE331-1, TPE331-10, TPE331-10A and 82 more. Effective Oct 19, 2011
- [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 2002-21-15](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 93-15-11](https://openairdocs.org/ad/93-15-11): Propeller Pitch Control (PPC) Gasket · Honeywell International TPE331-1, TPE331-10, TPE331-10A and 58 more. Effective Sep 7, 1993
- [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 84-10-06 R1](https://openairdocs.org/ad/84-10-06-R1): Fuel Pump Assemblies · Honeywell International TPE331-1, TPE331-10, TPE331-10B and 45 more. Effective Dec 26, 1984
- [AD 84-01-04](https://openairdocs.org/ad/84-01-04): Third Stage Turbine Wheels · Honeywell International TPE331-1, TPE331-1U, TPE331-1UA and 11 more. Effective Jan 25, 1984
- [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 78-25-08 R3](https://openairdocs.org/ad/78-25-08-R3): Turbine Rotor · Honeywell International TPE331-1, TPE331-1U, TPE331-1UA and 11 more. Effective Jun 12, 1980
- [AD 78-05-02](https://openairdocs.org/ad/78-05-02): Propeller Pitch Control Cam Follower Pin · Honeywell International TPE331-1, TPE331-1U, TPE331-1UA and 11 more. Effective Apr 5, 1979
- [AD 76-16-01](https://openairdocs.org/ad/76-16-01): Bearing Oil Transfer Tube · Honeywell International TPE331-1, TPE331-1U, TPE331-1UA and 11 more. Effective Aug 6, 1976
- [AD 75-10-05](https://openairdocs.org/ad/75-10-05): Torque Sensor Assembly Mounting Arm · Honeywell International TPE331-1, TPE331-2, TPE331-3U and 3 more. Effective Jul 11, 1975
- [AD 74-10-10](https://openairdocs.org/ad/74-10-10): Fuel Control Assembly Support Bracket · Honeywell International TPE331-1, TPE331-2, TPE331-3U and 2 more. Effective Jul 11, 1975
- [AD 70-19-02](https://openairdocs.org/ad/70-19-02): High Speed Pinion Bearings · Honeywell International TPE331-1, TPE331-1U, TPE331-1UA and 3 more. Effective Feb 20, 1974
- [AD 71-05-07](https://openairdocs.org/ad/71-05-07): High Speed Pinion Assembly · Honeywell International TPE331-1, TPE331-1U, TPE331-1UA and 30 more. Effective Apr 8, 1972
- [AD 70-04-04](https://openairdocs.org/ad/70-04-04): High Speed Pinion Retaining Nut · Honeywell International TPE331-1, TPE331-1U, TPE331-1UA and 3 more

Historical (superseded or no longer in force):

- [AD 2018-02-14](https://openairdocs.org/ad/2018-02-14) (historical): Turbine Engine Combustion Section · Honeywell International TPE331-1, TPE331-10, TPE331-10AV and 38 more. Effective Feb 28, 2018
- [AD 2015-12-04](https://openairdocs.org/ad/2015-12-04) (historical): Fuel control unit (FCU) · Honeywell International TPE331-1, TPE331-10, TPE331-10AV and 26 more. Effective Jul 22, 2015
- [AD 2011-18-51](https://openairdocs.org/ad/2011-18-51) (historical): Main shaft bearing · Honeywell International TPE331-1, TPE331-10, TPE331-10A and 82 more
- [AD 2006-15-08](https://openairdocs.org/ad/2006-15-08) (historical): Woodward fuel control unit (FCU) assemblies · Honeywell International TPE331-1, TPE331-10, TPE331-10AV and 26 more. Effective Aug 24, 2006
- [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-16-18](https://openairdocs.org/saib/NE-16-18): Power Lever  Loss of Power Control. Issued Jul 11, 2016

## Registered aircraft (3)

- [N192WW](https://openairdocs.org/aircraft/N192WW): [Win Win Aviation Inc](https://openairdocs.org/faa-owner/WIN%20WIN%20AVIATION%20INC), [Wake Forest, NC](https://openairdocs.org/faa-place/NC/Wake%20Forest), built 1977, S/N SH1956
- [N58LA](https://openairdocs.org/aircraft/N58LA): [Speedstar Express LLC](https://openairdocs.org/faa-owner/SPEEDSTAR%20EXPRESS%20LLC), [Las Vegas, NV](https://openairdocs.org/faa-place/NV/Las%20Vegas), built 1982, S/N SH1979
- [N78LA](https://openairdocs.org/aircraft/N78LA): [Speedstar Express LLC](https://openairdocs.org/faa-owner/SPEEDSTAR%20EXPRESS%20LLC), [Carson City, NV](https://openairdocs.org/faa-place/NV/Carson%20City), built 1976, S/N SH1950

## NTSB investigations

None matched to aircraft with this engine model.

## FAA accident and incident reports (2)

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.

- [Incident 20130801015339I](https://openairdocs.org/incident/20130801015339I), Aug 1, 2013: Short Bros SC-7-3A (N58LA), Ottawa, IL, No damage, 1 fatal. Deceased participated in parachute skydiving maneuver. Main chute did not deploy correctly. Reserve parachute deployed at low altitude. Deceased impacted the…
- [Incident 20130615012559I](https://openairdocs.org/incident/20130615012559I), Jun 15, 2013: Short Bros. & Harland SC7 SERIES 3 (N78LA), Rosharon, TX, No damage, 1 fatal. On June 15, 2013, at approximately 15:30 local time an experienced skydiver, miguel carrasco, received fatal injuries when his main parachute failed, was…

## Service difficulty reports (6)

As reported by operators and repair stations, by the model named in the report.

- [SDR KY7A20130128001](https://openairdocs.org/sdr/KY7A20130128001), Jan 24, 2013: FCU. FAILED. ON CLIMB THROUGH 14000, FLIGHT CREW NOTED ENGINE TEMPERATURE INCREASING AND TTL BYPASS SYSTEM ACTIVATION. POWER LEVER MOVEMENT HAD NO EFFECT ON ENGINE AND FLIGH
- [SDR AU510001574](https://openairdocs.org/sdr/AU510001574), Oct 7, 2005: SPAR. CRACKED. WING SPAR INNER WEB CUTOUT CRACKED IN THREE PLACES. THREE CRACKS WERE FOUND IN THE STARBOARD INNER WEB STRINGER 13 CUTOUT MEASURING 12.7MM (0.5IN), 3.175MM (0.1
- [SDR AU510002221](https://openairdocs.org/sdr/AU510002221), Aug 12, 2005: LINE. CRACKED. LT ENGINE FUEL PIPE LOCATED BETWEEN THE START PRESSURE REGULATOR AND THE FUEL FLOW TRANSMITTER CRACKED AND LEAKING.
- [SDR 03062311](https://openairdocs.org/sdr/03062311), Mar 3, 2003: LIGHT. INOPERATIVE. DURING PREFLIGHT INSPECTION THE CREW REPORTED THAT THE LEFT FORWARD AND AFT EMERGENCY EXIT LIGHTS WERE INOPERATIVE. MAINTENANCE PERSONNEL CLEANED THE LAMP SOCKE
- [SDR 98ZZZX1639](https://openairdocs.org/sdr/98ZZZX1639), Apr 2, 1998: PLATE LOCK. FAILED. BOLTS ATTACHING THE FIRST STAGE IMPELLER SHROUD TO THE IMPELLER HOUSING WERE FOUND LOOSE AND MISSING DURING A ROUTINE ENGINE INSPECTION. THESE BOLTS USE A LOCK 
- [SDR VTZA97419](https://openairdocs.org/sdr/VTZA97419), Jul 18, 1997: ENGINE. LOW POWER. IAD/GSO - FLT 6414 - DURING TAKEOFF AT 1540 HOURS ON 7-18-97, ABORTED TAKEOFF DUE TO LT ENGINE WOULD NOT MAKE TAKEOFF TORQUE. AIRCRAFT RETURNED TO GATE WITH NO 

## STCs that may be installed (OpenAirDocs) (2)

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
- [STC SE383CH](https://openairdocs.org/stc/SE383CH): Modification of engines. National Flight Services, Inc

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