# AiResearch TPE331-3U - Type: Engine model (FAA registry) - Registry code: 01552 - Manufacturer (registry): AIRESEARCH - Model: TPE331-3U - Engine type: Turbo-prop - Power: 840 hp - Data sheet: [TCDS E4WE](https://openairdocs.org/tcds/E4WE) (OpenAirDocs) - Holder: Honeywell Aerospace US LLC - Installed in: 1 registered aircraft - Page: https://openairdocs.org/engine/airesearch-tpe331-3u 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 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 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 2002-25-02](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 97-15-10](https://openairdocs.org/ad/97-15-10): Engine Inlet Ice Protection · Honeywell International TPE331-10, TPE331-10A, TPE331-10AV and 39 more. Effective Sep 22, 1997 - [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 94-26-07](https://openairdocs.org/ad/94-26-07): Fuel Control Governor Drive · Honeywell International TPE331-10, TPE331-10A, TPE331-10B and 32 more. Effective Apr 18, 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 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 74-24-05](https://openairdocs.org/ad/74-24-05): Propeller Pitch Control Sleeve Assembly · Honeywell International TPE331-3U, TPE331-3UW, TPE331-5 and 1 more. Effective Nov 26, 1974 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 (1) - [N957AR](https://openairdocs.org/aircraft/N957AR): [Brunet Pedro A Rubio](https://openairdocs.org/faa-owner/BRUNET%20PEDRO%20A%20RUBIO), [Mulberry, FL](https://openairdocs.org/faa-place/FL/Mulberry), built 1980, S/N TC-371 ## NTSB investigations None matched to aircraft with this engine model. ## FAA accident and incident reports None matched to aircraft with this engine model. ## Service difficulty reports (11) As reported by operators and repair stations, by the model named in the report. - [SDR 2006FA0001074](https://openairdocs.org/sdr/2006FA0001074), Oct 31, 2006: SERVO. MALFUNCTIONED. AIRCRAFT PULLS TO THE RT. OPERATOR REMOVED AND REPLACED NOSE STEERING SERVO, FLUSHED OUT LINES AND REPLACED FILTER. OPS CHECK GOOD IAW MFG MM. (K) - [SDR AUS20030609](https://openairdocs.org/sdr/AUS20030609), May 4, 2003: ENGINE. SEIZED. (AUS) LT ENGINE SEIZED IN FLIGHT. INVESTIGATION FOUND SEVERE DAMAGE TO ALL TURBINES AND STATORS. - [SDR AUS20021483](https://openairdocs.org/sdr/AUS20021483), Nov 18, 2002: STRUCTURE. DAMAGED. (AUS) PILOT COMPLAINED THAT THE NLG GREEN LIGHT WAS TAKING A LONG TIME TO ILLUMINATE. INVESTIGATION THEN FOUND EVIDENCE OF A HEAVY LANDING. INVESTIGATION FOUND - [SDR CA001109009](https://openairdocs.org/sdr/CA001109009), Oct 29, 2000: SELECTOR VALVE. OUT OF POSITION. (CAN) AFTER TAKEOFF THE LANDING GEAR FAILED TO RETRACT WHEN SELECTED. THE AIRCRAFT RETURNED AND LANDED WITHOUT INCIDENT. ON A SUBSEQUENT INSPECTION THE EMERGENC - [SDR CA000110041](https://openairdocs.org/sdr/CA000110041), Dec 28, 1999: FUEL CONTROL. FAILED. (CAN) HIGH WF AND HIGH ITT DURING START. FCU REPLACED. - [SDR AU981652](https://openairdocs.org/sdr/AU981652), Dec 9, 1998: NUT. FAILED. (AUS) ENGINE REAR TURBINE SHAFT NUT NOT REPLACED WITH NEW ITEM FOLLOWING MAINTENANCE. CONSEQUENTLY, AFTER 290 HRS OF ENGINE RUNNING, THE 'OLD' NUT FAILED AND BR - [SDR CA980610013](https://openairdocs.org/sdr/CA980610013), Jun 2, 1998: LINE. CHAFED. (CAN) DURING INSPECTION OF BOTTOM IGNITOR, IT WAS NOTED THAT THE COOLING AIR HOSE TO IGNITOR HOUSING WAS RUBBING AGAINST REAR TURBINE BEARING OIL LINE. OIL LINE - [SDR 97ZZZX2632](https://openairdocs.org/sdr/97ZZZX2632), Apr 7, 1997: ROTOR. CRACKED. SECOND STAGE TURBINE ROTOR EXHIBITS RIVET HOLE CRACKS 0.020 INCH TO 0.050 INCH DEEP. DEFECT DISCOVERED 200 HOURS AFTER HOT SECTION INSPECTION AT UNSCHEDULED ENG - [SDR 97ZZZX3086](https://openairdocs.org/sdr/97ZZZX3086), Feb 24, 1997: FITTING. STRIPPED. WHILE IN CRUISE FLIGHT, PILOT NOTICED OIL LEAK ON RIGHT ENGINE. ENGINE SECURED AND UNEVENTFUL LANDING MADE. FURTHER INVESTIGATION FOUND SCAVANGE OIL PUMP FITTIN - [SDR 95ZZZX4366](https://openairdocs.org/sdr/95ZZZX4366), Aug 11, 1995: HOUSING. DAMAGED. ENGINE WAS SENT IN FOR GBI AND HSI ON 10-14-94 WITH ENGINE TT OF 3,081.8 HOURS. ENGINE WAS RETURNED FOR ITT HARNESS REPLACEMENT AND IT WAS FOUND THAT THE SECOND - [SDR 95ZZZX2447](https://openairdocs.org/sdr/95ZZZX2447), May 8, 1995: STATOR. FAILURE. ENGINE EXPERIENCED UNCONTAINED TURBINE SECTION FAILURE IN-FLIGHT. LOCATION OF PENETRATION THROUGH PENUM AND CONDITION OF REMAINING COMPONENTS INDICATE FAILURE O ## 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 SE01461NY](https://openairdocs.org/stc/SE01461NY): Propeller pitch control system modification. Hartzell HC-E4N-5D/D9690(B) propeller installed per STC SA01462NY. Not approved on serial numbers TC-398 through TC-418. Hartzell Propeller Inc --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.