# Garrett TPE331-8 - Type: Engine model (FAA registry) - Registry code: 29049 - Manufacturer (registry): GARRETT - Model: TPE331-8 - Engine type: Turbo-prop - Power: 715 hp - Data sheet: [TCDS E4WE](https://openairdocs.org/tcds/E4WE) (OpenAirDocs) - Holder: Honeywell Aerospace US LLC - Installed in: 3 registered aircraft - Page: https://openairdocs.org/engine/garrett-tpe331-8 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 2018-22-01](https://openairdocs.org/ad/2018-22-01): Turbine Section · Honeywell International TPE331-10, TPE331-10N, TPE331-10R and 8 more. Effective Dec 10, 2018 - [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 2016-18-17](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 2001-21-02](https://openairdocs.org/ad/2001-21-02): Airplane Flight Manual--Electronic Engine Controls · Honeywell International TPE331-10N, TPE331-12B and TPE331-8. Effective Nov 19, 2001 - [AD 98-12-09](https://openairdocs.org/ad/98-12-09): Fuel Manifold · Honeywell International TPE331-10, TPE331-10A, TPE331-10AV and 29 more. Effective Aug 7, 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 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 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 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 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 92-02-19 PL](https://openairdocs.org/ad/92-02-19-PL) (historical): Fuel Manifold Assembly Leak · Honeywell International TPE331-10, TPE331-10A, TPE331-10AV and 29 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) - [N441DV](https://openairdocs.org/aircraft/N441DV): [Abn Air LLC](https://openairdocs.org/faa-owner/ABN%20AIR%20LLC), [Ridgway, CO](https://openairdocs.org/faa-place/CO/Ridgway), built 1980, S/N 441-0166 - [N59RT](https://openairdocs.org/aircraft/N59RT): [Bank Of Utah Trustee](https://openairdocs.org/faa-owner/BANK%20OF%20UTAH%20TRUSTEE), [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City), built 1980, S/N 4410111 - [N907JK](https://openairdocs.org/aircraft/N907JK): [N907jk LLC](https://openairdocs.org/faa-owner/N907JK%20LLC), [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage), built 1980, S/N 4410141 ## 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 (89, newest 50) As reported by operators and repair stations, by the model named in the report. - [SDR DSCR20151005001](https://openairdocs.org/sdr/DSCR20151005001), Sep 24, 2015: RELIEF VALVE. FRACTURED. DURING CRUISE PHASE OF FLIGHT, THE RT ENG EXPERIENCED LOSS OF FUEL PRESS. PILOT SHUT THE RT ENG DOWN, CONTACTED ATC & WAS DIVERTED. TECHNICIANS INSPECTED THE EN - [SDR 5XWR201307110363](https://openairdocs.org/sdr/5XWR201307110363), Jul 11, 2013: STRUCTURE. MISOVERHAULED. PERFORMED A PHASE 2, 3, & D, TASK A361004, BLEED AIR LINE EXHIBITED CORROSION WHERE ITS FLANGE FASTENS TO THE FUSELAGE SKIN BS 187.87 RBL 27, AND WL 62.79. ON D - [SDR CA080304011](https://openairdocs.org/sdr/CA080304011), Jan 18, 2008: ACTUATOR. FAILED. (CAN) AIRCRAFT INDICATED (3 GREEN) ON APPROACH, UPON LANDING, NOSE GEAR RETRACTED RESULTING IN AC DAMAGE. UPON ARRIVAL, MAINT NOTED GEAR INDICATION REMAINED (3 - [SDR AU510001538](https://openairdocs.org/sdr/AU510001538), Dec 12, 2005: TENSIONER. SHEARED. HF ANTENNA SUPPORT AND TENSION UNIT SNAPPED AT ANTENNA CONNECTION TO VERTICAL STABILIZER. - [SDR AU510001559](https://openairdocs.org/sdr/AU510001559), Dec 12, 2005: ACTUATOR. FAULTY. RT MAIN LANDING GEAR NIL DOWN INDICATION. - [SDR AU510001724](https://openairdocs.org/sdr/AU510001724), Dec 12, 2005: RIVET. CRACKED. ELEVATOR LT OUTBOARD HINGE BRACKET ATTACHMENT RIVET HEAD CRACKED. FOUND DURING INSPECTION IAW AD/C400/102 AMDT3. - [SDR AU510001767](https://openairdocs.org/sdr/AU510001767), Dec 12, 2005: CAP. CRACKED. (AUS) RT WING CANTED RIB CAP CRACKED. CRACK LENGTH APPROXIMATELY 40MM (1.574IN). CRACK WAS LOCATED IN THE RADIUS OF THE UPPER CAP AND TRAVELLED REARWARDS FROM T - [SDR AU510001768](https://openairdocs.org/sdr/AU510001768), Dec 12, 2005: BRACKET. CRACKED. (AUS) LT ELEVATOR OB HINGE ASSY IB ATTACHMENT BRACKET CRACKED IN LOWER FORWARD RADIUS. FOUND DURING INSPECTION IAW AD/C400/102 AMDT 3 PART 3. BOTH LT AND RT ELE - [SDR AU510001769](https://openairdocs.org/sdr/AU510001769), Dec 12, 2005: BULB. BURNED OUT. (AUS) RT MAIN LANDING GEAR POSITION INDICATOR LIGHT BULB BLOWN. (CASA NR 510001769) - [SDR AU510001776](https://openairdocs.org/sdr/AU510001776), Dec 12, 2005: RIB. CRACKED. LT WING ROOT CANTED RIB UPPER CAP LOCATED AT CWS 26.85 CRACKED. - [SDR AU510001885](https://openairdocs.org/sdr/AU510001885), Dec 12, 2005: RIB. CRACKED. RT CANTED RIB CAP CRACKED BENEATH REPAIR. - [SDR AU510001886](https://openairdocs.org/sdr/AU510001886), Dec 12, 2005: RIB. CRACKED. RT CANTED RIB CAP FORWARD PN 5720001-4S AND AFT PN 5720001-6S ANGLES CRACKED, FOUND DURING EDDY CURRENT INSPECTION. - [SDR AU510001944](https://openairdocs.org/sdr/AU510001944), Dec 12, 2005: GOVERNOR. FAULTY. (AUS) RT ENGINE PROPELLER GOVERNOR FAULTY. INVESTIGATION CONTINUING. (CASA NR 510001944) - [SDR AU510001993](https://openairdocs.org/sdr/AU510001993), Dec 12, 2005: ALTIMETER. FAILED. ENCODING ALTIMETER FAILED. - [SDR AU510002026](https://openairdocs.org/sdr/AU510002026), Dec 12, 2005: ENGINE. SEIZED. RT ENGINE SEIZED. INVESTIGATION CONTINUING. - [SDR AU510002156](https://openairdocs.org/sdr/AU510002156), Dec 12, 2005: DOOR. SEPARATED. LT FORWARD NOSE LOCKER SEPARATED FROM AIRCRAFT SEVERING BOTH HINGES. ONE BAG LOST OVERBOARD. DOOR STRUCK PROPELLER CAUSING A TORQUE SHIFT IN THE ENGINE. LT ENGI - [SDR AU510002181](https://openairdocs.org/sdr/AU510002181), Dec 12, 2005: ACM. FAILED. AIR CYCLE MACHINE (ACM) FAILED AND EMERGENCY PRESSURISATION VALVE AUTOMATICALLY OPENED. - [SDR AU510002089](https://openairdocs.org/sdr/AU510002089), Oct 11, 2005: SKIN. CRACKED. UPPER AFT RT NACELLE SKIN CRACKED AND CORRODED. - [SDR AU510001809](https://openairdocs.org/sdr/AU510001809), Feb 9, 2005: RIB. CRACKED. LT WING UPPER FORWARD PN 572001-3S AND AFT PN 572001-5S DRAG ANGLES CRACKED. FOUND DURING EDDY CURRENT INSPECTION IAW CQB03-1 REV 1. EDDY CURRENT INSPECTION REV - [SDR AUS20040448](https://openairdocs.org/sdr/AUS20040448), May 21, 2004: SELECTOR VALVE. FAULTY. (AUS) LANDING GEAR SELECTOR VALVE SOLENOID FAILED. - [SDR AUS20040447](https://openairdocs.org/sdr/AUS20040447), May 17, 2004: O-RING. DAMAGED. (AUS) NOSE LANDING GEAR UPLOCK ACTUATOR O-RING DAMAGED. HYDRAULIC FLUID LEAKING FROM ACTUATOR BODY. - [SDR AUS20040368](https://openairdocs.org/sdr/AUS20040368), Apr 29, 2004: BOOT. FAILED. (AUS) RT WING OUTER DE-ICE BOOT BURST AT THE UPPER SEAM AND SPLIT FOR THE ENTIRE LENGTH FROM THE OB RT NACELLE TO THE WINGTIP. - [SDR AUS20040324](https://openairdocs.org/sdr/AUS20040324), Apr 27, 2004: WIRE. WORN. (AUS) RT FUEL TANK QUANTITY WIRE CHAFED ON STRINGERS LOCATED AT STATION PWS 61.80. - [SDR AUS20040327](https://openairdocs.org/sdr/AUS20040327), Apr 24, 2004: PUMP. CRACKED. (AUS) ENGINE OIL PUMP HOUSING CRACKED. - [SDR AUS20040333](https://openairdocs.org/sdr/AUS20040333), Apr 21, 2004: VALVE. LEAKING. (AUS) START FUEL VALVE LEAKING BETWEEN VALVE BODY AND SOLENOID. - [SDR AUS20040183](https://openairdocs.org/sdr/AUS20040183), Mar 8, 2004: PIPE. CRACKED. (AUS) HYDRAULIC PIPE CRACKED AND LEAKING. LOSS OF HYDRAULIC FLUID. PIPE IS LOCATED IN RT WING LEADING EDGE. INVESTIGATION FOUND TOOLING MARKS ON THE PIPE IN THE - [SDR AUS20040128](https://openairdocs.org/sdr/AUS20040128), Feb 24, 2004: SWITCH. OUT OF ADJUST. (AUS) LT MAIN LANDING GEAR UPLOCK SWITCH OUT OF ADJUSTMENT. MICROSWITCH WAS SWITCHING OFF LOADING VALVE BUT NOT THE IN TRANSIT LIGHT. INVESTIGATION FOUND SOME W - [SDR CA040220007](https://openairdocs.org/sdr/CA040220007), Feb 18, 2004: VALVE. FAILED. (CAN) DURING THE CLIMB THE AIRCRAFT EMERGENCY PRESSURIZATION VALVE OPENED WITH OUT BEING SELECTED. THE CREW DEPRESSURIZED THE AIRCRAFT AND RETURNED TO BASE. THE - [SDR AUS20040076](https://openairdocs.org/sdr/AUS20040076), Feb 11, 2004: SPAR. DEBONDED. (AUS) LT WING SPAR WEB DISBONDED IN AREA LOCATED AT CWS 57. - [SDR AUS20040037](https://openairdocs.org/sdr/AUS20040037), Jan 21, 2004: BRACKET. CRACKED. (AUS) LT WING OB AILERON ATTACHMENT BRACKET CRACKED. INVESTIGATION FOUND INDICATIONS OF SURFACE INTERGRANNULAR CORROSION AND CONFIRMATION OF A CRACK LOCATED APP - [SDR AUS20031313](https://openairdocs.org/sdr/AUS20031313), Dec 16, 2003: SEAL. LEAKING. (AUS) RT ENGINE COMPRESSOR SEAL SUSPECT FAULTY. LEAKING OIL CAUSED SMOKE IN COCKPIT. - [SDR AUS20031179](https://openairdocs.org/sdr/AUS20031179), Nov 14, 2003: TIRE. DEFLATED. (AUS) RT MAIN LANDING GEAR TIRE, DEFLATED DURING LANDING ROLL. - [SDR AUS20030552](https://openairdocs.org/sdr/AUS20030552), Jun 4, 2003: WEB. CRACKED. (AUS) BEAM WEB CRACKED. CRACK LENGTH APPROXIMATELY 25.4MM (1IN). - [SDR AUS20030595](https://openairdocs.org/sdr/AUS20030595), Jun 4, 2003: BEAM. CRACKED. (AUS) BEAM WEB CRACKED. CRACK LENGTH APPROXIMATELY 25.4MM (1IN). - [SDR AUS20030485](https://openairdocs.org/sdr/AUS20030485), Apr 26, 2003: BOLT. MISSING. (AUS) MAIN WHEEL BRAKE DISC RETAINING BOLTS (3OFF) MISSING AND FIVE BOLTS LOOSE. - [SDR CA030421010](https://openairdocs.org/sdr/CA030421010), Dec 21, 2002: BEARING. FAILED. (CAN) STARTER GEN WAS HAVING NEW BRUSHES SEATED AT MID-TBO USING GEN DRIVESTAND METHOD.APPRX 3 HRS INTO THE PROCESS, THE ANTI-DRIVE END BEARING FAILED COMPLETEL - [SDR AUS20021376](https://openairdocs.org/sdr/AUS20021376), Nov 6, 2002: VALVE. FAILED. (AUS) EMERGENCY PRESSURISATION VALVE FAILED. - [SDR AUS20021305](https://openairdocs.org/sdr/AUS20021305), Aug 28, 2002: SOLENOID. LEAKING. (AUS) LT ENGINE PRIMARY-ONLY SOLENOID LEAKING FROM VALVE BODY. - [SDR AUS20020943](https://openairdocs.org/sdr/AUS20020943), Aug 19, 2002: BOOT. SPLIT. (AUS) LEADING EDGE DE-ICE BOOT SPLIT LONGITUDINALLY. - [SDR AUS20020792](https://openairdocs.org/sdr/AUS20020792), Jul 16, 2002: VALVE. FAILED. (AUS) RT ENGINE PRIMARY FUEL SOLENOID VALVE FAULTY. INVESTIGATION FOUND THE OPERATING COIL SHORT CIRCUITED TO EARTH. - [SDR CA020611001](https://openairdocs.org/sdr/CA020611001), Jun 10, 2002: WIRE HARNESS. CHAFED. (CAN) DURING INSPECTION AND COMPLYING WITH AD 2002-09-13 AND CESSNA SERVICE BULLITEN CQB02-1 REV. 1, FOUND THAT THE BLACK WIRE IN THE HARNESS WAS CHAFED THROUGH - [SDR AUS20020577](https://openairdocs.org/sdr/AUS20020577), Jun 4, 2002: PUMP. FAILED. (AUS) LT ENGINE TORQUE FLUCTUATIONS. METAL CONTAMINATION OF OIL FILTER AND CHIP DETECTOR. SUSPECT CAUSED BY FAILURE OF OIL SCAVENGE PUMP. - [SDR AUS20020530](https://openairdocs.org/sdr/AUS20020530), May 31, 2002: WIRE HARNESS. CHAFED. (AUS) FUEL BOOST PUMP WIRING HARNESSES CHAFED. FOUND DURING INSPECTION IAW AD/CESSNA400/111 (SB CQB02-1R1). - [SDR AUS20020464](https://openairdocs.org/sdr/AUS20020464), May 13, 2002: HARNESS. WORN. (AUS) LT FUEL BOOST PUMP WIRING HARNESS CHAFED. FOUND DURING INSPECTION IAW SB CQB02-1. - [SDR AUS20020453](https://openairdocs.org/sdr/AUS20020453), May 9, 2002: FASTENER. MISINSTALLED. (AUS) CHERRY RIVETS IN FUSELAGE EMERGENCY EXIT DOOR CUTOUT FRAMEPREVENTING OPERATION OF EMERGENCY EXIT. - [SDR AUS20020408](https://openairdocs.org/sdr/AUS20020408), May 4, 2002: HARNESS. CHAFED. (AUS) LT FUEL TANK HARNESS WIRE CHAFFED BUT WITHIN ACCEPTABLE LIMITS OF SB CQB02-1. HARNESS MODIFIED IAW SB AND REINSTALLED. - [SDR AUS20020409](https://openairdocs.org/sdr/AUS20020409), May 3, 2002: HARNESS. CHAFED. (AUS) RT FUEL TANK HARNESS WIRE CHAFED BUT WITHIN ACCEPTABLE LIMITS OF SB CQB02-1. HARNESS MODIFIED IAW SB AND REINSTALLED. - [SDR AUS20020323](https://openairdocs.org/sdr/AUS20020323), Mar 27, 2002: PUMP. CRACKED. (AUS) LT ENGINE OIL PRESSURE PUMP CRACKED. - [SDR AUS20020263](https://openairdocs.org/sdr/AUS20020263), Mar 12, 2002: PUSHROD. CRACKED. (AUS) LT AILERON TRIM TAB PUSH ROD AFT ROD END CRACKED ACROSS BEARING RETAINER. RODEND BEARING CORRODED. CRACK FOUND WHEN PUSHROD WAS REMOVED FOR REPLACEMENT DU - [SDR AUS20020043](https://openairdocs.org/sdr/AUS20020043), Jan 22, 2002: BEARING. FAILED. (AUS) LT OUTBOARD FLAP INBOARD BELLCRANK BEARING HAD EXCESSIVE PLAY. SUSPECT CAUSED BY WATER INGRESS. All 89: https://openairdocs.org/engine/garrett-tpe331-8/reports.md ## STCs that may be installed (OpenAirDocs) (3) 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 SE03035AT](https://openairdocs.org/stc/SE03035AT): Installation of Royal Atlantic Aviation Engine Oil Filter Bypass Warning System, Kit P/N RAA2003-1-1. Reds Aircraft Service Inc - [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 SE2924SO](https://openairdocs.org/stc/SE2924SO): Installation of Garrett TPE-331-10 combustor and turbine in the TPE331-8 engine. National Flight Lakeland --- 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.