# Garrett TFE731-2B - Type: Engine model (FAA registry) - Registry code: 29088 - Manufacturer (registry): GARRETT - Model: TFE731-2B - Engine type: Turbo-fan - Power: 3,500 lb thrust - Data sheet: [TCDS E6WE](https://openairdocs.org/tcds/E6WE) (OpenAirDocs) - Holder: Honeywell Aerospace US LLC - Installed in: 2 registered aircraft - Page: https://openairdocs.org/engine/garrett-tfe731-2b 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 2005-13-07](https://openairdocs.org/ad/2005-13-07): Turbine rotor discs. · Honeywell International TFE731-2, TFE731-2A, TFE731-2B and 12 more. Effective Jul 27, 2005 - [AD 2001-23-09](https://openairdocs.org/ad/2001-23-09): Fan Rotor Discs · Honeywell International TFE731-2, TFE731-2A, TFE731-2B and 14 more. Effective Dec 21, 2001 - [AD 2000-15-09](https://openairdocs.org/ad/2000-15-09): HPC Impeller · Honeywell International TFE731-2, TFE731-2A, TFE731-2B and 20 more. Effective Oct 10, 2000 - [AD 98-17-01 R1](https://openairdocs.org/ad/98-17-01-R1): Flex Fuel Tube · Honeywell International TFE731-2, TFE731-2A, TFE731-2B and 14 more. Effective Nov 29, 1999 - [AD 96-05-03](https://openairdocs.org/ad/96-05-03): Fan rotor disks · Honeywell International TFE731-2, TFE731-2A, TFE731-2B and 13 more. Effective Apr 2, 1996 - [AD 96-04-01](https://openairdocs.org/ad/96-04-01): Fan Rotor Assembly · Honeywell International TFE731-2, TFE731-2A, TFE731-2B and 12 more. Effective Mar 15, 1996 - [AD 82-23-03 R1](https://openairdocs.org/ad/82-23-03-R1): High Pressure Compressor Impellers · Honeywell International TFE731-2, TFE731-2A, TFE731-2B and 12 more. Effective Dec 9, 1983 - [AD 75-07-10](https://openairdocs.org/ad/75-07-10): Transfer Gearbox Vertical Bevel Gear Bearing · Honeywell International TFE731-2, TFE731-2A, TFE731-2B and 12 more. Effective May 1, 1975 Historical (superseded or no longer in force): - [AD 98-17-01](https://openairdocs.org/ad/98-17-01) (historical): Honeywell International TFE731-2, TFE731-2A, TFE731-2B and 14 more. Effective Oct 13, 1998 ## Registered aircraft (2) - [N568PA](https://openairdocs.org/aircraft/N568PA): [Cff Air Inc](https://openairdocs.org/faa-owner/CFF%20AIR%20INC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1978, S/N 205 - [N986SA](https://openairdocs.org/aircraft/N986SA): [N331us LLC](https://openairdocs.org/faa-owner/N331US%20LLC), [Hillsboro, OR](https://openairdocs.org/faa-place/OR/Hillsboro), built 1985, S/N 609 ## 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 (53, newest 50) As reported by operators and repair stations, by the model named in the report. - [SDR O2JA N990LC210603](https://openairdocs.org/sdr/O2JA%20N990LC210603), Jun 3, 2021: ENGINE. FLUCTUATES. ON TAKEOFF POWER THE RIGHT ENGINE WILL FLUCTUATE ON FUEL FLOW, N1, AND N2. - [SDR ESPA2021FA0000306](https://openairdocs.org/sdr/ESPA2021FA0000306), Mar 28, 2021: FUEL SYS. LOW. DURING CRUISE FLIGHT, AFTER DEPARTING HNL, THE CREW NOTICED THE FUEL QUANTITY INDICATION APPEARED TO BE LOW IN FLIGHT. THE CREW ELECTED TO DIVERT TO HOG AND DEC - [SDR ESPA2019091600305](https://openairdocs.org/sdr/ESPA2019091600305), Sep 13, 2019: UNKNOWN. ODOR. DURING CRUISE FLIGHT CONDITIONS MEDICS NOTICED SMOKE IN THE CABIN. PIC DECIDED TO DIVERT AND DECLARE AN EMERGENCY LANDING DUE TO SMOKE IN THE CABIN INTO AIRPORT - [SDR O2JA201805290001](https://openairdocs.org/sdr/O2JA201805290001), May 24, 2018: OIL SYSTEM. LOW PRESSURE. AFTER TAKEOFF, CLIMBING THROUGH 7,000 FT, THE MASTER WARNING LIGHT ILLUMINATED, CAUSED BY THE LOW OIL PRESSURE LIGHT. LEFT ENGINE OIL PRESSURE STARTED DROPPING - [SDR O2JA201711130198](https://openairdocs.org/sdr/O2JA201711130198), Nov 13, 2017: UNKNOWN. MALFUNCTIONED. CRUISING AT FL390, A LOUD THUD & BANG WAS HEARD BY THE COPILOT AND PILOT. IMMEDIATELY NOTICED THE CABIN VSI PEGGED AT 6000 FPM. EMERGENCY DESCENDED TO 10000 FT. - [SDR VQMA2017062120291](https://openairdocs.org/sdr/VQMA2017062120291), Jun 16, 2017: O-RING. CUT. NR 1 OIL PRESSURE LOW LIGHT ILLUMINATED WHEN ASCENDING THROUGH FL 160. AIRCREW WITNESSED PRESSURE DROP TO 25 PSI AND COMPLETED ENGINE SHUTDOWN PROCEDURES. AIRCR - [SDR O2JA2017042000001](https://openairdocs.org/sdr/O2JA2017042000001), Apr 20, 2017: ADF. FIRE. ADF BECAME VERY HOT TO THE TOUCH DURING FLIGHT, IT WAS TURNED OFF. A FEW MINUTES LATER FLAMES APPEARED BETWEEN THE HF RADIO AND ADF. - [SDR 201702150045](https://openairdocs.org/sdr/201702150045), Feb 15, 2017: UNKNOWN. ODOR. SHORTLY AFTER DEPARTURE, NOTICED A SLIGHT BURNING ODOR IN THE COCKPIT. LEVELED AT 8000 FEET AND SHUT OFF THE AIR CONDITIONING, COCKPIT FANS, AND MADE SURE ALL T - [SDR 2016FA0000534](https://openairdocs.org/sdr/2016FA0000534), Oct 22, 2016: CAP. SEPARATED. FUEL CAP SEPARATED FROM LEFT TIP TANK. - [SDR G13A20150902001](https://openairdocs.org/sdr/G13A20150902001), Aug 31, 2015: FUEL CONTROL. MALFUNCTIONED. ON DESCENT THE ENG FUEL PRESS LIGHT ILLUMINATED, SHORTLY AFTER THE ENG SHUTDOWN. ABLE TO RE-LIGHT ENG & CONTINUED TO DESTINATION AIRPORT. ON SHORT FINAL THE LIG - [SDR 9JLA201504038323](https://openairdocs.org/sdr/9JLA201504038323), Mar 2, 2015: IGNITER BOX. FAULTY. THE LT ENGINE IGNITION INDICATED A WHITE EICAS MSG WHILE IN FLIGHT, WHEN THE IGNITION SWITCH IS MANUALLY PRESSED. TROUBLESHOOTING IDENTIFIED THAT THE CHANNEL A - [SDR 2014FA0000647](https://openairdocs.org/sdr/2014FA0000647), Oct 24, 2014: CONNECTOR. UNSECURE. AFTER ENGINE START, RECEIVED A RT ENGINE COMPUTER FAULT, CHECKLIST PROCEDURES CLEARED FAULT, ON TAKEOFF ENGINE ONLY ATTAINED 60 PERCENT N1. INSPECTION REVEALED - [SDR ESPA2014FA0000460](https://openairdocs.org/sdr/ESPA2014FA0000460), Jul 30, 2014: WIRE. SHORTED. WHEN THE PILOT SELECTED GEAR DOWN FOR LANDING, THE LANDING GEAR CIRCUIT BREAKER TRIPPED. TROUBLESHOT SYSTEM AND FOUND THE NR 5 WIRE ON THE RT MLG SAFETY SWITCH - [SDR VPQA2014FA0000083](https://openairdocs.org/sdr/VPQA2014FA0000083), Feb 13, 2014: THROTTLE SWITCH. WEAK. NR 2 T/R FAILED TO DEPLOY UPON LANDING. FOUND NR 2 T/R PIGGY BACK POSITION SWITCH, PN 25-8CX213-1A, HARNESS WIRES BROKEN AT ADEL SECURING POINT DEEP WITHIN THE - [SDR VIBR20140219003](https://openairdocs.org/sdr/VIBR20140219003), Jan 17, 2014: BRACKET. LEAKING. BAROMETRIC SWITCH BOX ASSEMBLY LOOSES PRESSURE AT 1000 FT. HAS LEAK AT MOUNT BRACKET RIVETS. - [SDR VIBR20140219001](https://openairdocs.org/sdr/VIBR20140219001), Jan 15, 2014: RESISTOR. OVERHEATED. BOTH EMERGENCY LIGHTS BATTERY BOXES DAMAGE BY AN OVERHEATED CHARGING RESISTOR. - [SDR 9JLA2013030506657](https://openairdocs.org/sdr/9JLA2013030506657), Jan 15, 2013: COMPUTER. DEFECTIVE. CREW REPORTED AN AMBER RT ENGINE COMPUTER FAULT CAS MESSAGE. RT ENGINE SWITCHED TO MANUAL MODE AND RESPECTIVE N1 REDUCTION ON RT ENGINE. WHITE RT CHECK EDS CAS - [SDR PJEA2011F00001](https://openairdocs.org/sdr/PJEA2011F00001), Nov 7, 2011: PUMP. INOPERATIVE. UPON LANDING, AFTER AN UNEVENTFUL 1 HR FLIGHT, PILOTS REPORTED THAT THE AUX HYD PUMP FAILED. AN O/H PUMP WAS SENT, WHERE A QUALIFIED MECH CHANGED THE PUMP ASSY - [SDR O2MAN36062111](https://openairdocs.org/sdr/O2MAN36062111), Jun 21, 2011: FIRE WARNING. FALSE ACTIVATION. DURING CLIMB TO ALTITUDE THE RT ENGINE FIRE LIGHT ILLUMINATED MOMENTARILY. THROTTLE LEVER WAS RETARDED MOMENTARILY BUT LIGHT WENT OUT WITH NO OTHER INDICATIONS - [SDR 2010F00135](https://openairdocs.org/sdr/2010F00135), Jun 4, 2010: VALVE. STICKING. RT BLEED LIGHT ACTIVATED, CREW RAN AFM CHECKLIST AND DECIDED TO RETURN FOR LANDING. WHILE RETURNING FOR LANDING SOME LIGHT SMOKE WAS BEING EMITTED BY AFT DIVAN. - [SDR BJYASDR9/23/09](https://openairdocs.org/sdr/BJYASDR9%2F23%2F09), Sep 23, 2009: FIRE WARNING. FALSE ACTIVATION. ACFT DEPARED, AT ABOUT 1300L FOR A 5 MINUTE REPO FLT (NO PAX), WITH APU RUNNING, SHORTLY AFTER LEVEL OFF AT 3000', FIRE WARNING SOUNDED, APU FIRE LIGHT ILLUMINA - [SDR BJYA20090507001](https://openairdocs.org/sdr/BJYA20090507001), May 7, 2009: FIRE WARNING. FALSE ACTIVATION. AFTER TAKEOFF, AT ABOUT 7000 MSL THE ACFT EXPERIENCED AN "APU FIRE INDICATION". CREW FOLLOWED THEIR EMERGENCY PROCEDURES CHECK LIST AND DISCHARGED THE APU FIRE - [SDR CVG2007F00000](https://openairdocs.org/sdr/CVG2007F00000), Oct 4, 2007: DEFOG SYSTEM. FAILED. (DAE ID NR 07-277) ON DESCENT, AFTER TURNING ON WINDSHIELD DEFOG IAW CHECKLIST, WINDSHIELD BEGAN TO VISIBLY ARC AND ELECTRICAL ODOR FILLED COCKPIT. AFTER TURNIN - [SDR HAG07002](https://openairdocs.org/sdr/HAG07002), Feb 22, 2007: PANEL. CRACKED. DURING INSPECTION, FOUND RT SIDE VERTICAL STABILIZER CENTER BULLET FAIRING PANEL CRACKED IN 5 LOCATIONS. - [SDR BSYA200600013](https://openairdocs.org/sdr/BSYA200600013), Mar 22, 2006: FLOW DIVIDER. LOW PRESSURE. COMING INTO LCK LEFT ENGINE FLAMED OUT WHEN THROTTLE WAS BROUGHT BACK TO IDLE, LANDED AT LCK NO PROBLEMS. FOUND FLOW DIVIDER LOW PRESSURE, REMOVED AND REPLACED - [SDR 2005FA0000507](https://openairdocs.org/sdr/2005FA0000507), Mar 24, 2005: ALTIMETER. INOPERATIVE. THE COPILOTS ALTIMETER FLAGGED JUST AFTER TAKEOFF, AIRCRAFT RETURNED TO THE FIELD. AFTER CYCLING THE BATTERIES THE ALTIMETER BEGAN WORKING AGAIN. THE COPILOTS A - [SDR 2005FA0000505](https://openairdocs.org/sdr/2005FA0000505), Mar 22, 2005: OIL TANK. CRACKED. DURING POST FLT INSP MAINT NOTICED EXCESSIVE OIL COVERING NR 3 ENGINE AND NACELLE. WITH ENGINE COWL OPENED, OIL WAS PRIMARILY COLLECTED AROUND OIL TANK AREA. EN - [SDR 2005FA0000370](https://openairdocs.org/sdr/2005FA0000370), Nov 1, 2004: WHEEL. CRACKED. MAINTENANCE CREW FIRST NOTICED TIRE SERVICE BECOMING MORE FREQUENT OVER THE PERIOD OF 2 OR 3 DAYS. TIRE PRESSURES WERE DROPPING APPROX 10 PERCENT TO 15 PERCENT - [SDR 3117705162004](https://openairdocs.org/sdr/3117705162004), May 16, 2004: VALVE. FAILED. AT FL390, CABIN DOOR BEGAN TO SQUEAL. AT FL405, CABIN BEGAN TO CLIMB 1,500 TO 2,000 FPM. CREW REQUESTED LOWER ALTITUDE FROM LAX ATC BUT WERE DENIED. AT THAT POI - [SDR DEL2004F00000](https://openairdocs.org/sdr/DEL2004F00000), May 4, 2004: BOLT. CRACKED. DURING ENGINE REMOVAL, FOUND RT ENGINE AFT MOUNT BOLT CRACKED (PN26520023). - [SDR ESU2004F00000](https://openairdocs.org/sdr/ESU2004F00000), Feb 29, 2004: CARBON SEAL. LEAKING. UPON COMPLETION OF A FOUR POINT RUN AND CASE PRESSURE CHECK IT WAS NOTED THAT THE NR 3 AND NR 4, CARBON SEALS WERE LEAKING. THIS REQUIRED AND ENGINE CHANGE OF N - [SDR UO22004F00007](https://openairdocs.org/sdr/UO22004F00007), Jan 29, 2004: BEARING. FAILED. 1 EA PLANETARY BEARING FAILED, CAUSING MASSIVE CHAIN REACTION FAILURE WITHIN FAN GEARBOX. - [SDR JGV2003F00002](https://openairdocs.org/sdr/JGV2003F00002), Sep 10, 2003: FUEL TANK. LEAKING. FUEL LEAKING INTO CABIN FROM CENTRAL TANK LOWER. INSUFFICIENT AMOUNT OF SEALANT APPLIED TO INTERIOR TANK AND EXTERIOR PORTION OF FUEL TANK. FUEL FLOWING OUT OF - [SDR NP0001](https://openairdocs.org/sdr/NP0001), Jul 7, 2003: LINE. CRACKED. ON POST FLT INSPECTION FOUND HYDRAULIC FLUID UNDER AND AROUND AFT END OF LT HYDRAULIC RESERVOIR. CLEANED AREA AND FOUND SMALL CRACK IN HYD SYSTEM RETURN LINE. R - [SDR WVE2003F00006](https://openairdocs.org/sdr/WVE2003F00006), Mar 10, 2003: SPLINE ADAPTER. WORN. DURING 600 HOUR INSPECTION OF THE STARTER/GENERATOR SPLINE ADAPTOR IT WAS FOUND TO BE WORN ON OUTSIDE SPLINE. - [SDR WVE2003F00007](https://openairdocs.org/sdr/WVE2003F00007), Mar 10, 2003: SPLINE ADAPTER. CRACKED. DURING 600 HOUR INSPECTION OF THE ALTERNATOR SPLINE ADAPTER, DISCOVERED ADAPTER TO BE CRACKED IN FOUR LOCATIONS. PROBABLE CAUSE, FATIGUE. (2003B0665) - [SDR ZES2003F00000](https://openairdocs.org/sdr/ZES2003F00000), Mar 1, 2003: WIRE. SHORTED. DURING ENGINE START, LT ENGINE WOULD MOTOR TO 20 PERCENT NR, THEN START CONTROL CIRCUIT BREAKER B4, 5 AMP WOULD TRIP. FOUND SHORTED WIRE IN THE IGNITION SYSTEM - [SDR 2003F00143](https://openairdocs.org/sdr/2003F00143), Oct 30, 2002: LINE. CLOGGED. DEBRIS WAS DISCOVERED IN THE PRESSURE LINE TO THE EJECTOR PUMP. THIS CAUSED A LACK OF VACUUM TO THE OUTFLOW VALVES AND ALLOWED THE CABIN TO PRESSURIZE ON THE GR - [SDR OIO2002F00000](https://openairdocs.org/sdr/OIO2002F00000), May 6, 2002: BEARING. FAILED. THE SUBJECT START-GEN WAS TEMPORARILY REMOVED FROM SERVICE FOR A PRECAUTIONARY BEARING INSPECTION. TSO WAS 504 HOURS. NEW BEARINGS FROM AN AUXILEC APPROVED DIST - [SDR OIO2002F00002](https://openairdocs.org/sdr/OIO2002F00002), Apr 16, 2002: BEARING. STIFF. STARTER-GEN WAS TEMPORARILY REMOVED FROM SERVICE FOR A PRECAUTIONARY BEARING INSPECTION. TSO OF STARTER-GEN WAS 252 HOURS. NEW BEARINGS FROM MFG APPROVED DISTRI - [SDR 2002FA0000521](https://openairdocs.org/sdr/2002FA0000521), Mar 19, 2002: BEARING. OVERHEATED. THE SUBJECT STARTER-GEN WAS TEMPORARILY REMOVED FROM SERVICE FOR A PRECAUTIONARY BEARING INSPECTION. NEW BEARINGS, FROM AN AUXILEC APPROVED VENDOR, WERE INSTALL - [SDR GJQ2002F00002](https://openairdocs.org/sdr/GJQ2002F00002), Mar 18, 2002: BOLT. BROKEN. BOLT BROKE ON CLAMP SECURING OIL PUMP FILTER ASSEMBLY ON APU. OIL LEAK CAUSED SMOKE IN CABIN. REPLACED CLAMP ASSEMBLY AS PER MM. - [SDR AXI2002F00000](https://openairdocs.org/sdr/AXI2002F00000), Mar 15, 2002: SHAFT. FAILED. STARTER GENERATOR SPLINE SHAFT INSTALLED IN STARTER GENERATOR SHEARED AT THE BASE OF THE INTERNAL SPLINE AFTER ABOUT 25 START CYCLES. IT IS OUR OPINION THAT THE - [SDR AXI2002F00001](https://openairdocs.org/sdr/AXI2002F00001), Mar 15, 2002: SHAFT. BROKEN. GENERAL ELECTRIC STARTER GENERATOR (PN 2CM308C3) WAS INSTALLED ON OUR APU ON 10/30/01 WITH A NEW SPLINE SHAFT SHEARED AT THE BASE OF THE INTERNAL SPLINE AFTER A - [SDR AXI2002F00002](https://openairdocs.org/sdr/AXI2002F00002), Mar 15, 2002: SHAFT. BROKEN. STARTER GENERATOR SPLINE SHAFT (PN 36B50419G1) INSTALLED IN STARTER GENERATOR (PN 2CM308C3) SHEARED AT THE BASE OF THE INTERNAL SPLINE AFTER ABOUT 30 START CYCL - [SDR WVE2002F00002](https://openairdocs.org/sdr/WVE2002F00002), Feb 18, 2002: SQUAT SWITCH. MISSING. DURING OUT GOING INSPECTION FOUND ONE SET SCREW MISSING AND ONE SET SCREW LOOSE ON RIGHT MAIN LANDING GER OUT BOARD SQUAT SWITCH SWING ARM. PROBABLE CAUSE: THE - [SDR ZES2002F00000](https://openairdocs.org/sdr/ZES2002F00000), Jan 31, 2002: SWITCH. INOPERATIVE. PILOT REPORTED, NO DOWN AND LOCKED INDICATION ON THE RIGHT MAIN LANDING GEAR, LAMP TESTED OK. PERFORMED EMERGENCY GEAR EXTENSION IAW AFM. FOUND DEFECTIVE DOWN A - [SDR 0017](https://openairdocs.org/sdr/0017), Sep 28, 2001: SHUTOFF VALVE. LEAKING. AT CRUISE ALT 43,000 FT PILOT NOTICE CABIN ALT WARNING LIGHT ILLUMINATED. THE PILOT INITIATED A DESCENT TO 27,000 FT PRESSURIZATION STARTED WORKING NORMAL. FLT - [SDR WVE2001F00001](https://openairdocs.org/sdr/WVE2001F00001), Aug 9, 2001: WIRE HARNESS. CHAFED. DURING POST DOCK RUNS THE RUDDER BOOST EICAS LIGHT ILLUMINATED. INSPECTION/TROUBLE SHOOTING FOUND WIRING HARNESS CHAFED THROUGH THE POWER LINES. PROBABLE CAUSE: - [SDR 20010514CW001](https://openairdocs.org/sdr/20010514CW001), Apr 23, 2001: JACKSCREW. STIFF. AIRCRAFT FLEW TO ALTITUDE AND AILERON TRIM CONTROL BECAME STIFF. UPON RETURN THE TRIM JACK WAS LUBED AS PER MM. SUSPECT MOISTURE OR WATER FREEZING AT ALTITUDE. All 53: https://openairdocs.org/engine/garrett-tfe731-2b/reports.md --- 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.