# Service difficulty reports: Honeywell TFE731-2-3B A list on [Honeywell TFE731-2-3B](https://openairdocs.org/engine/honeywell-tfe731-2-3b.md). Newest first. General aviation reporting is voluntary. - [SDR 2018F00011](https://openairdocs.org/sdr/2018F00011.md): Engine · power loss · Oct 5, 2017 · N557BK · Lear 31A · Engine (Turbine/Turboprop) > FLIGHT DEPARTED, TAKEOFF WAS STANDARD WITH NO ABNORMALITIES NOTED. CLEARED TO FL 280, WHEN LEAVING 12,000 FEET, THE PILOT BELIEVED THERE WAS A DECREASE IN CLIMB PERFORMANCE. THE LEFT ENGINE ITT WAS FLUCTUATING BETWEEN 700 AND 830 DEGREES WITHOUT THRUST LEVER - [SDR 2015FA0000411](https://openairdocs.org/sdr/2015FA0000411.md): Yoke · damaged · Aug 27, 2015 · N145RT · Lear 31A · Control Column Section > DURING A PHASE "A THRU D" INSPECTION, WE REMOVED THE CONTROL YOKE FLOORBOARD PROTECTIVE BOOT LT/RT SIDES. ON LT SIDE WE FOUND CORROSION, ABOUT HALFWAY DOWN THE BACK OF THE BOSS TO WHERE THE BOSS ATTACHES TO THE AIRCRAFT. INSPECTION B2 ITEM, CONTROL WHEEL SEC - [SDR CA150428009](https://openairdocs.org/sdr/CA150428009.md): Potentiometer · defective · Apr 27, 2015 · Lear 31A · Aileron Tab Control System > (CAN) DURING THE RIGGING OF THE AILERON TRIM TAB INDICATION, FOLLOWING AN AILERON TRIM ACTUATOR INSTALL, THE FOLLOWING PROBLEM OCCURRED RIGGING THE POTENTIOMETER. IAW THE ATTACHED ILLUSTRATION IN THE MM 27-10-04, & FOLLOWING THE INSTALLATION INSTRUCTION, WE H - [SDR CA140825007](https://openairdocs.org/sdr/CA140825007.md): Line · leaking · Aug 19, 2014 · Lear 31A · Hydraulic System, Main > (CAN) LINE HAD CHAFFED THROUGH AT TWO SPOTS. A PINHOLE LEAK DEVELOPED WHERE IT CHAFFED ON THE EMERGENCY PRESSURIZATION UPPER CHECK VALVE COUPLING. - [SDR CA090813009](https://openairdocs.org/sdr/CA090813009.md): Fuel Control · unserviceable · Jul 1, 2009 · Lear 31 · Fuel Control/Turbine Engines > ENGINE FLAME OUT ON TAXI FCU REPLACED ACFT RETURN TO SERVICE. - [SDR CA090519006](https://openairdocs.org/sdr/CA090519006.md): Uplock Switch · unserviceable · May 7, 2009 · Lear 31A · Landing Gear Position and Warning > (CAN) MAIN GEAR UPLOCK SWITCH FAILED AND CAUSED THE MAIN GEAR HYD SYS TO CONTINUE OPERATING. - [SDR CA081121005](https://openairdocs.org/sdr/CA081121005.md): Starter Gen · failed · Nov 19, 2008 · Lear 31A · Starter-Generator > (CAN) GENERATOR FELL OFF, INE AND A SLIGHT VIBRATION WAS FELT. - [SDR CA081022003](https://openairdocs.org/sdr/CA081022003.md): Latch · unserviceable · Oct 20, 2008 · Lear 31A · Service Doors > (CAN) SINGLE POINT FUEL DOOR LATCH OPENED IN FLIGHT. - [SDR JL92007F00000](https://openairdocs.org/sdr/JL92007F00000.md): O-Ring · missing · Nov 10, 2007 · N68ES · Lear 31A · Turbine Engine Oil System > AIRCRAFT STARTED EXPERIENCING LOSS IN OIL PRESSURE INDICATED BY THE LHS ENGINE OIL PRESSURE GAUGE NEEDLE BOUNCING BETWEEN THE RED MARKINGS ON THE GAUGE, THE NEEDLE AFTER A FEW SECONDS SETTLED DOWN IN THE GREEN AND THEN SLOWLY STARTED DECREASING, ON NOTICING TH - [SDR AOQ2005F00003](https://openairdocs.org/sdr/AOQ2005F00003.md): Gasket · worn · Jul 17, 2005 · N39TW · Lear 31A · Engine Indicating System > DURING CLIMB, AT ALTITUDE, THE NR 1 ENGINE FIRE WARNING ILLUMINATED, ITT INDICATED 805 DEGREES. THRUST REDUCED BELOW 790 DEGREES ITT, AND LIGHT WENT OUT. ALL ENGINE INDICATIONS WERE NORMAL. MAINTENANCE TROUBLESHOT NR 1 ENGINE FIRE WARNING LIGHT ILLUMINATION - [SDR AOQ2005F00002](https://openairdocs.org/sdr/AOQ2005F00002.md): Gasket · worn · Jun 16, 2005 · N39TW · Lear 31A · Engine Indicating System > DURING CLIMB, AT ALTITUDE, THE NR 2 ENGINE FIRE WARNING ILLUMINATED, ITT INDICATED 801 DEGREES, WARNING CEASED WITHIN 10 SECONDS AFTER THRUST WAS REDUCED BELOW 780 DEGREES ITT. ALL ENGINE INDICATIONS WERE NORMAL. MAINTENANCE TROUBLESHOT NR 2 ENGINE FIRE WARN - [SDR DELA20050001](https://openairdocs.org/sdr/DELA20050001.md): Smoke · detected · Jan 14, 2005 · N888CP · Lear 31 · Air Distribution System > IMMEDIATELY FOLLOWING TAKEOFF, THE FLIGHT CREW OBSERVED AN ODOROUS VAPOR IN THE CABIN. FOLLOWING CONTACT WITH ATC AND REDUCING CABIN AIR INFLOW, THE CREW IMMEDIATELY RETURNED TO THE DEPARTURE AIRPORT UNEVENTFULLY. THE SMOKE OR VAPOR ACCUMULATION BEGAN DISSIP - [SDR 2005FA0000106](https://openairdocs.org/sdr/2005FA0000106.md): Starter Gen · failed · Sep 24, 2004 · N901P · Lear 31A · Starter-Generator > PILOT REPORTED VIBRATION, FOLLOWED BY RT GENERATOR INOPERATIVE LIGHT. PRECAUTIONARY ENGINE SHUTDOWN WAS DONE. REPLACED STARTER GEN, OPS NORMAL. A TEARDOWN REPORT WILL BE REQUESTED FROM VENDOR. (K) - [SDR G2W2004F00000](https://openairdocs.org/sdr/G2W2004F00000.md): Fcu · faulty · Mar 8, 2004 · N555VR · Lear 31 · Fuel Control/Turbine Engines > THE AIRCRAFT WAS DECENDING THROUGH 10,000 FT TRASITIONING FROM THE ENROUTE TO APPROACH PHASE OF FLIGHT. IT WAS AT THIS TIME THAT THE CAPTAIN NOTICED THE LT ENGINE INDICATIONS ROLLED BACK SHOWING A DEAD ENGINE. THE CAPTAIN MOVED THE LT THROTTLE TO SEE IF THE - [SDR 2003F00394](https://openairdocs.org/sdr/2003F00394.md): Fuel Control · contaminated · Apr 24, 2003 · N288FF · Lear 31A · Fuel Control/Turbine Engines > AFTER NR 1 ENGINE FLAMEOUT ON APPROACH, FUEL CONTROL WAS REPLACED AND AIRCRAFT RETURNED TO SERVICE. CONTROL FOUND TO CONTAIN METAL CONTAMINATION. AFTER EVALUATION/DETERMINATION THAT ENGINE-DRIVEN FUEL PUMP WAS SOURCE OF CONTAMINATION,THE ENGINE-DRIVEN FUEL PU - [SDR 20010409CW020](https://openairdocs.org/sdr/20010409CW020.md): Starter Gen · failed · Mar 1, 2001 · N202LC · Lear 31 · Starter-Generator > AFTER TAKEOFF VIBRATION COMING FROM RIGHT SIDE OF AIRCRAFT. BROUGHT RIGHT ENGINE TO IDLE, NO CHANGE. - [SDR 97ZZZX3628](https://openairdocs.org/sdr/97ZZZX3628.md): Engine · flame out · Jul 20, 1997 · N108FX · Lear 31A · Engine (Turbine/Turboprop) > RIGHT ENGINE ROLLED BACK AND FLAMED OUT CLIMBING FROM 44,000 FEET TO 45,000 FEET. NO INDICATION OF PROBLEM UNTIL AIRCRAFT YAWED. CONDITIONS SPEED -.74 TO.75 MACH. OAT = -61C. POWER = MAX COUNTS. AIRCRAFT DESCENDED TO 25,000 FEET, UNABLE TO WINDMILL STAR - [SDR AU970115](https://openairdocs.org/sdr/AU970115.md): Gasket · failed · Feb 19, 1997 · Lear 31A · Pneumatic Distribution System > (AUS) ENGINE TO PYLON BLEED AIR DUCT GASKET BLOWN OUT AND TWO DUCT SECURING NUTS MISSING (BOLTS INTACT) - SUSPECT BOLTS NOT TORQUED DURING ENGINE INSTALLATION - PERSONNEL/MAINTENANCE ERROR ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet' WHERE engine_model_key = 'TFE73123B' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/engine/honeywell-tfe731-2-3b/reports --- 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.