# Garrett TFE731-4R - Type: Engine model (FAA registry) - Registry code: 29103 - Manufacturer (registry): GARRETT - Model: TFE731-4R - Engine type: Turbo-fan - Power: 4,080 lb thrust - Data sheet: [TCDS E6WE](https://openairdocs.org/tcds/E6WE) (OpenAirDocs) - Holder: Honeywell Aerospace US LLC - Installed in: 7 registered aircraft - Page: https://openairdocs.org/engine/garrett-tfe731-4r 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 2016-07-02](https://openairdocs.org/ad/2016-07-02): Failure of the interstage turbine transition duct · Honeywell International TFE731-4, TFE731-4R, TFE731-5AR and 2 more. Effective May 5, 2016 - [AD 2014-12-52](https://openairdocs.org/ad/2014-12-52): Engines · Honeywell International TFE731-20AR, TFE731-20BR, TFE731-20R and 11 more. Effective Jul 28, 2014 - [AD 2012-17-05](https://openairdocs.org/ad/2012-17-05): First stage low-pressure turbine (LPT1) rotor assembly · Honeywell International TFE731-4, TFE731-4R, TFE731-5 and 3 more. Effective Oct 2, 2012 - [AD 2010-06-11](https://openairdocs.org/ad/2010-06-11): Second stage low-pressure compressor rotor (LPCR) discs · Honeywell International TFE731-2, TFE731-2A, TFE731-2C and 16 more. Effective Apr 21, 2010 - [AD 2008-19-12](https://openairdocs.org/ad/2008-19-12): ITT duct · Honeywell International TFE731-4, TFE731-4R, TFE731-5 and 3 more. Effective Oct 27, 2008 - [AD 2008-02-19](https://openairdocs.org/ad/2008-02-19): High pressure (HP) turbine rotor assemblies · Honeywell International TFE731-20AR, TFE731-20BR, TFE731-20R and 15 more. Effective Mar 6, 2008 - [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 Effective Apr 2, 1996 Historical (superseded or no longer in force): - [AD 98-17-01](https://openairdocs.org/ad/98-17-01) (historical): Honeywell International TFE731-2, TFE731-2A, TFE731-2B and 14 more.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 - [AD 96-18-13](https://openairdocs.org/ad/96-18-13) (historical): Fan rotor disk · Honeywell International TFE731-2, TFE731-2A, TFE731-3 and 10 more. Effective Nov 12, 1996 ## Registered aircraft (7) - [N125TN](https://openairdocs.org/aircraft/N125TN): [Triad Aviation LLC](https://openairdocs.org/faa-owner/TRIAD%20AVIATION%20LLC), [Tyler, TX](https://openairdocs.org/faa-place/TX/Tyler), built 1993, S/N 650-7025 - [N200LH](https://openairdocs.org/aircraft/N200LH): [Eagle Nation Aviation LLC](https://openairdocs.org/faa-owner/EAGLE%20NATION%20AVIATION%20LLC), [Macon, GA](https://openairdocs.org/faa-place/GA/Macon), built 1992, S/N 650-7005 - [N321VA](https://openairdocs.org/aircraft/N321VA): [Valiair Limited Co Trustee](https://openairdocs.org/faa-owner/VALIAIR%20LIMITED%20CO%20TRUSTEE), [Casper, WY](https://openairdocs.org/faa-place/WY/Casper), built 1997, S/N 650-7077 - [N478PA](https://openairdocs.org/aircraft/N478PA): [Merlin One Aircraft LLC](https://openairdocs.org/faa-owner/MERLIN%20ONE%20AIRCRAFT%20LLC), [San Antonio, TX](https://openairdocs.org/faa-place/TX/San%20Antonio), built 1996, S/N 6507069 - [N504T](https://openairdocs.org/aircraft/N504T): [Aviationiq LLC](https://openairdocs.org/faa-owner/AVIATIONIQ%20LLC), [Helena, MT](https://openairdocs.org/faa-place/MT/Helena), built 1994, S/N 650-7040 - [N618JG](https://openairdocs.org/aircraft/N618JG): [Chris Jenschke LLC](https://openairdocs.org/faa-owner/CHRIS%20JENSCHKE%20LLC), [Poteet, TX](https://openairdocs.org/faa-place/TX/Poteet), built 1995, S/N 650-7055 - [N650RC](https://openairdocs.org/aircraft/N650RC): [Rosado William](https://openairdocs.org/faa-owner/ROSADO%20WILLIAM), [Moosic, PA](https://openairdocs.org/faa-place/PA/Moosic), built 1993, S/N 6507029 ## 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 (36) As reported by operators and repair stations, by the model named in the report. - [SDR 2024F00161](https://openairdocs.org/sdr/2024F00161), Jun 27, 2024: PUMP. FAILED. FROM KSAT TO MYNN WHEN WE EXPERIENCED AN ENGINE FAILURE IN FLIGHT. AT FLIGHT LEVEL 390 APPROXIMATELY 100 MILES WEST OF THE SOUTHERN COAST OF FLORIDA, THE LEFT ( - [SDR CA190617027](https://openairdocs.org/sdr/CA190617027), Jun 13, 2019: DUCT. DAMAGED. (CAN) DURING ROUTINE INSPECTION, NOTICED THAT THERE WAS SOME DAMAGE ON LH ENGINE ON THE OUTER BYPASS DUCT JUST AFT OF THE IGNITION BOX. BORESCOPED THE ENGINE AN - [SDR SFOA20160308002](https://openairdocs.org/sdr/SFOA20160308002), Mar 4, 2016: FASTENER. MISSING. UPON DECENT FROM CRUISE A SHUDDER WAS DETECTED WHEN THE POWER LEVERS WERE RETARDED. FLIGHT CREW WAS ABLE TO DETERMINE IT WAS THE RT ENG CAUSING THE SHUDDER. ALL - [SDR WAIA2014021800073](https://openairdocs.org/sdr/WAIA2014021800073), Feb 10, 2014: SWITCH. INTERMITTENT. DURING LANDING & DEPLOYING THRUST REVERSERS, CREW DID NOT RECEIVE LT THRUST REVERSER LIGHT SHOWING AS BEING DEPLOYED. TROUBLESHOT THE DISCREPANCY TO AN INTERMIT - [SDR 2013FA0000630](https://openairdocs.org/sdr/2013FA0000630), Nov 1, 2013: RESOLVER. FAILED. CREW PERFORMED "PRIOR TO TAXI" CHECKLIST AND DISCOVERED FLAPS WERE STUCK BETWEEN 15 - 20 DEGREES. SHUTDOWN ACFT. MAINTENANCE TROUBLESHOT DISCREPANCY TO A DEFECT - [SDR CA131021023](https://openairdocs.org/sdr/CA131021023), Oct 17, 2013: DRIVE SHAFT. WORN. (CAN) FLEX DRIVE CABLE HEX END WORN, DRIVE SLIPPED IN ACTUATOR CAUSING A SLAT SYSTEM IMBALANCE. THE SLAT ACTUATOR AND THE FLEX DRIVE CABLE BOTH REPLACED DUE TO - [SDR WAIA2013F00037](https://openairdocs.org/sdr/WAIA2013F00037), Jan 4, 2013: EXCITER. DEFECTIVE. WHILE AIRCRAFT WAS STATIONED FOR A FEW DAYS, THE CREW ATTEMPTED TO START THE NR 2 ENGINE. AFTER SEVERAL FAILED ATTEMPTS, MX WAS NOTIFIED AND TROUBLESHOT TO A DE - [SDR 2012F00253](https://openairdocs.org/sdr/2012F00253), Nov 6, 2012: PUMP. LEAKING. FLIGHT CREW REPORTED THAT DURING LANDING FLARE, AS POWER IS BROUGHT TO IDLE, THE RT ENGINE OIL PRESSURE LIGHT ILLUMINATED AND OIL PRESSURE DROPPED BELOW 25 PSI, - [SDR 2012FA0000285](https://openairdocs.org/sdr/2012FA0000285), May 2, 2012: STARTER GEN. DEFECTIVE. ENGINE VIBRATION, NO OTHER INDICATION. PILOTS DIVERTED FOR SERVICE. STARTER GENERATOR FOUND DEFECTIVE 157 HRS PRIOR RECOMMENDED OVERHAUL. - [SDR CA111123010](https://openairdocs.org/sdr/CA111123010), Nov 21, 2011: CURRENT LIMITER. OVERHEATED. (CAN) SCHEDULED A CHECK INSPECTION, DURING A VISUAL INSPECTION OF THE LT DC CONTACTOR PANEL SIGNS OF OVERHEATING WERE OBSERVED ON THE OUTGOING TERMINAL & WIRE O - [SDR 2011FA0000218](https://openairdocs.org/sdr/2011FA0000218), Mar 23, 2011: SHUTOFF VALVE. FAILED. ACFT DEPARTED AT APPROX 1630 ZULU WITH AN INTENDED DESTINATION. WHILE AT CRUISE ALTITUDE RECEIVED AN EICAS MESSAGE INDICATING THE LOSS OF RT HYD PRESSURE. ACFT - [SDR CA110228012](https://openairdocs.org/sdr/CA110228012), Feb 27, 2011: TIRE. BULGED. (CAN) NR 4 MAIN WHEEL TIRE BULGED DISCOVERED ON POST FLIGHT WALK AROUND. - [SDR 2009FA0000926](https://openairdocs.org/sdr/2009FA0000926), Aug 6, 2009: BLADE. SEPARATED. ON AUG 6, 2009 AT 6:45 AM, DURING TAKEOFF, THE NR 2 ENGINE FAILED WITH A REPORTED "LOUD SHARP BANG" RESULTING IN THE ACFT`S "YAWING". THERE WERE NO INDICATIONS - [SDR 2008FA0000572](https://openairdocs.org/sdr/2008FA0000572), Aug 18, 2008: ACTUATOR. LEAKING. RT MLG SIDE BRACE ACTUATOR LEAKING FROM SWITCH ASSY. SIDE BRACE ACTUATOR REMOVED, REPLACED WITH REPAIRED ACTUATOR ASSY. - [SDR DXTA200702072](https://openairdocs.org/sdr/DXTA200702072), Apr 3, 2007: ENGINE. MALFUNCTIONED. LEFT ENG ROLLED BACK TO 91% N1 ON T/O ROLL (APROX 80 KNOTS). T/O ABORTED. INSP EEC FOR FAULTS NONE NOTED. RAN A/C AT ALL POWER SETTINGS IN AUTO & MANUAL MODES. - [SDR DXTA200702018](https://openairdocs.org/sdr/DXTA200702018), Mar 13, 2007: SWITCH. OUT OF ADJUST. LANDING GEAR WOULD NOT RETRACT. AFTER TAKEOFF. GEAR HANDLE WOULD NOT MOVE. TROUBLESHOT TO NOSE CENTERING SWITCH OUT OF ADJUSTMENT. ADJUSTED SWITCH IAW 650 MM 32 - [SDR DXTA200702000](https://openairdocs.org/sdr/DXTA200702000), Mar 5, 2007: STRUT. UNDERSERVICED. LANDING GEAR WOULD NOT RETRACT (HANDLE WOULD NOT COME UP) AFTER TAKEOFF. TROUBLESHOT NOSE LANDING GEAR - FOUND NOSE STRUT NOT FULLY SERVICED - SERVICED STRUT WI - [SDR DXTA200701975](https://openairdocs.org/sdr/DXTA200701975), Feb 28, 2007: UNKNOWN. SMOKE. DISTINCT SMELL OF ELECTRICAL SMOKE IN CABIN AND COCKPIT AND A NOTICEABLE HAZE OF SMOKE VISIBLE. OPERATED GROUND TEST APU TWICE FOR APPROX 20-25 MIN IAW 650 MM 4 - [SDR DXTA200701933](https://openairdocs.org/sdr/DXTA200701933), Feb 13, 2007: WIRE. BROKEN. RT ENGINE FIRE DETECT ANUNCIATOR ILLUMINATED AFTER COCKPIT PREP WAS COMPLETED. T/S TO BROKEN RT FIRE LOOP ON ENG. REMOVED & REPLACED FIRE LOOP. BLEED T/R'S, SYS - [SDR DXTA200701851](https://openairdocs.org/sdr/DXTA200701851), Jan 11, 2007: MAXARET. INOPERATIVE. WHEN BRAKING, NOTHING HAPPENS UNTIL PRESSURE GAUGE READS 200PSI THEN BRAKES GRAB HARD. THIRD WRITEUP. RECEIVED OH MAXARET P/N AC65216 S/N 58268 & NEW MAXARET P/ - [SDR DXTA200701837](https://openairdocs.org/sdr/DXTA200701837), Jan 4, 2007: UNKNOWN. UNKNOWN. AIRCRAFT EXPERIENCED UNCOMMANDED HARD LT YAW CAUSED BY YAW DAMPER. OPERATION CHECK OF A AND B YAW DAMPER SYSTEMS GOOD, SPZ-8000 DIAG. TEST GOOD. RUDDER SERVO OP - [SDR DXTA200601777](https://openairdocs.org/sdr/DXTA200601777), Dec 3, 2006: CONTROL MODULE. INOPERATIVE. GEAR WOULD NOT RETRACT AFTER TAKE OFF , GEAR HANDLE STUCK IN THE DOWN POSITION. RETURNED TO AIRPORT. REMOVED AND REPLACED LANDING GEAR CONTROL IAW CE 650 M/M CH - [SDR 2005FA0001456](https://openairdocs.org/sdr/2005FA0001456), Sep 9, 2005: TURBINE. FAILED. AIRCRAFT WAS LEVEL AT 38,000 FT AND THE CREW REPORTED THEY HEARD AN AUDIBLE THUD. UPON SCANNING THE COCKPIT INSTRUMENTS THE LT ENGINE WAS OBSERVED TO BE SHUTTIN - [SDR DXTA200500914](https://openairdocs.org/sdr/DXTA200500914), Aug 22, 2005: O-RING. LEAKING. GEAR WOULD NOT RETRACT AFTER TAKEOFF. JACKED AIRCRAFT AND CYCLED LANDING GEAR. FOUND HYDRAULIC FITTING AT NOSE GEAR ACTUATOR LEAKING EXCESSIVELY. REPLACED O-RIN - [SDR DXTA200500912](https://openairdocs.org/sdr/DXTA200500912), Aug 18, 2005: TARGET. OUT OF ADJUST. LANDING GEAR UNLOCK ANNUNCIATOR REMAINED ILLUMINATED AFTER GEAR RETRACTION. VERIFIED SQUAWK, DETERMINED LDG GEAR UPLOCK SWITCH TARGET ON RT MAIN WAS OUT OF ADJU - [SDR DXTA200500584](https://openairdocs.org/sdr/DXTA200500584), Feb 10, 2005: FILTER ELEMENT. CLOGGED. AFTER TWO NORMAL ENGINE STARTS AND WHILE THE ENGINES WERE RUNNING, BEFORE TAXI CHECKS THE NUMBER 1 ENGINE FLAMED OUT. CHECKED AND CONFIRMED RIGGING OK, CHECKED - [SDR DXTA200500573](https://openairdocs.org/sdr/DXTA200500573), Feb 2, 2005: SEAL. LEAKING. LEFT ENGINE OIL PRESS LOW ANNUNCIATOR CAME ON DURING DESCENT. OIL PRESSURE GAUGE WAS FLUCTUATING BETWEEN 25 - 40 PSI. AFTER LANDING, ENGINE HAD NO OIL LEFT IN I - [SDR DXTA200400400](https://openairdocs.org/sdr/DXTA200400400), Sep 19, 2004: CONVERTER. DEFECTIVE. FLAPS INOPERATIVE ANNUNCIATOR ILLUMINATED AFTER TAKEOFF WITH FLAPS INDICATING UP, FLAP WOULD NOT RESET. DURING LANDING APPROACH FLAPS WOULD RESET AND OPERATE BU - [SDR CA040430002](https://openairdocs.org/sdr/CA040430002), Apr 25, 2004: PUMP. FAILED. (CAN) RT ENGINE FUEL FILTER BY-PASS LIGHT FLICKERING AT TAKE-OFF CLIMB POWER SETTINGS. AIRCRAFT RETURN TO MAINTENANCE BASE, MAINTENANCE TECHNICIAN FOUND FUEL FI - [SDR AUS20040029](https://openairdocs.org/sdr/AUS20040029), Jan 19, 2004: PLANETARY GEAR. VIBRATES. (AUS) RT ENGINE VIBRATION. INVESTIGATION FOUND THE VIBRATION CAME FROM THE PLANETARY GEARSET. - [SDR 2003FA0000444](https://openairdocs.org/sdr/2003FA0000444), Apr 24, 2003: SHROUD. FAILED. IN-FLIGHT SHUTDOWN. SUSPECT 2ND STAGE LPC ROTOR SHROUD FAILED FROM INITIAL INSPECTION RESULTS. DESTROYED LPC, HPC, HPT, AND LPT. - [SDR 2002FA0001231](https://openairdocs.org/sdr/2002FA0001231), Oct 25, 2002: LINE. CHAFED. PILOT CLOSED MAIN CABIN DOOR. UPON LOCKING DOOR CREW HEARD HISSING NOISE FROM DOOR AND DOOR SEAL WOULD NOT INFLATE. INSPECTION BY MAINTENANCE DISCOVERED LINE HA - [SDR 20010529CW013](https://openairdocs.org/sdr/20010529CW013), Apr 16, 2001: FUEL CONTROL. MALFUNCTIONED. ENGINE LOST POWER IN FLIGHT. PILOT REPORTED THAT FUEL FLOW WAS ERRATIC AND THAT NR 1 BECAME LIMITED TO 40 PERCENT. WHEN TROUBLESHOT, THE FAULT WAS TRACED TO THE - [SDR 99ZZZX3832](https://openairdocs.org/sdr/99ZZZX3832), Sep 28, 1999: BLADE. DENTED. DURING POST-FLIGHT INSPECTION, DISCOVERED THIRD STAGE LPT HAD ONE EACH BLADE SHROUD BROKEN AND SEVERAL BLADES DENTED. FIRST AND SECOND STAGE LPT'S HAVE DAMAGED - [SDR 99ZZZX2911](https://openairdocs.org/sdr/99ZZZX2911), Jul 12, 1999: INDICATOR. MALFUNCTIONED. PILOTS OBSERVED A 'FUEL FILTER BYPASS' INDICATION. FUEL FILTERS WERE CHANGED. INDICATION WAS STILL THERE. CHANGED LEFT ENGINE FUEL DIFFERENTIAL PRESSURE INDICAT - [SDR 99ZZZX2262](https://openairdocs.org/sdr/99ZZZX2262), May 19, 1999: LINE. CHAFED. FUEL LINE IS CHAFING ON WIRING HARNESS THAT RUNS JUST AFT OF THE TRANSFER GEARBOX ON BOTH ENGINES. INSTALL SPIRAL WRAP AROUND FUEL LINE OR SEPARATE WIRES AND LI --- 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.