# Service difficulty reports: Garrett TPE331-12UAR A list on [Garrett TPE331-12UAR](https://openairdocs.org/engine/garrett-tpe331-12uar.md). Newest first. General aviation reporting is voluntary. Page 1 of 2 · 71 reports - [SDR 2026FA0000552](https://openairdocs.org/sdr/2026FA0000552.md): Tube · cracked · Jun 21, 2026 · Bag JETSTM3201 · Propeller Governor > AIRCRAFT EXPERIENCED A LOW OIL PRESSURE INDICATION AND ILLUMINATION OF THE OIL WARNING LIGHT ON THE RIGHT-HAND (RT) ENGINE DURING THE CRUISE PHASE OF FLIGHT 4761. THE FLT CREW CARRIED OUT THE EMERGENCY SHUTDOWN PROCEDURE IAW MAINT & OPS MANUAL (MOM 3) & RETURN - [SDR CA110419009](https://openairdocs.org/sdr/CA110419009.md): Relay · failed · Apr 18, 2011 · Frchld SA227DC · Engine Starter > (CAN) DURING START TEST THE STARTER WOULD NOT DISENGAGE WHEN THE START BUTTON WAS RELEASED. THE GPU HAD TO BE DISCONNECTED FOR STARTER TO DISENGAGE. START RELAY WAS FOUND WITH HIGH RESISTANCE, 1.7 MEG OHM, COMPARED TO STARTER FROM STORES, 14 OHMS. THE RESIS - [SDR O3X020109442](https://openairdocs.org/sdr/O3X020109442.md): Line · burst · Feb 11, 2005 · N944AE · Bag JETSTM3201 · Hydraulic System, Main > AIRCRAFT WAS ENROUTE, THE CREW NOTICED ONE HYDRAULIC GAUGE FLUCTUATING AND FINALLY GOING TO ZERO AND THE OTHER GAUGE AT ZERO. THEY WENT THROUGH THE PROCEDURES FOR HYDRAULIC FAILURE. THE GEAR WAS EXTENDED. THE NOSE INDICATED DOWN AND LOCKED. THE MAINS WERE - [SDR O3X004129241](https://openairdocs.org/sdr/O3X004129241.md): Downlock Switch · out of rig · Dec 2, 2004 · N924AE · Bag JETSTM3201 · Landing Gear Position and Warning > AIRCRAFT WAS ON APPROACH, THE GEAR WAS SELECTED DOWN. THE MAIN GEARS INDICATED DOWN AND LOCKED. NOSE LANDING GEAR INDICATE IN TRANSIT. THE GEAR WAS CYCLED AND THE NOSE LANDING GEAR TRANSIT LIGHT REMAINED ON. THE AIRCRAFT RETURNED TO AIRPORT, DECLARED AN E - [SDR 2004F00257](https://openairdocs.org/sdr/2004F00257.md): Shutoff Valve · malfunctioned · Dec 11, 2003 · N862JX · Bag JETSTM3201 · Fuel Controlling System > CREW REPORTED ON REPOSITION FLIGHT FROM MIV TO ACY, WHILE BEING VECTORED TO APPROACH IN HEAVY TURBULENCE AND RAIN, THE LEFT ENGINE EXPERIENCED A LOSS OF POWER. AN UNEVENTFUL LANDING WAS ACCOMPLISHED. UPON INVESTIGATION MAINTENANCE PERSONNEL REPLACED THE ENGI - [SDR SABA011054](https://openairdocs.org/sdr/SABA011054.md): Screw · out of adj · Oct 16, 2001 · N961AE · Bag JETSTM3201 · Fuel Controlling System > AIRCRAFT 961 ON FLIGHT 5067 FROM CHARLOTTE TO ATHENS GA, ABORTED TAKEOFF DUE TO RIGHT ENGINE MAKING ONLY 80 PERCENT TORQUE. AIRCRAFT RETURNED TO GATE AND NO EMERGENCY PROCEDURE WAS USED. MAINTENANCE ADJUSTED THE RIGHT ENGINE X SCREW AND PERFORMED A POWER RUN - [SDR SABA011051](https://openairdocs.org/sdr/SABA011051.md): Engine · power loss · Oct 5, 2001 · N965AE · Bag JETSTM3201 · Engine (Turbine/Turboprop) > FLIGHT 5214 FROM LEX TO CLT; THE LEFT ENGINE WOULD MAKE ONLY 10 PERCENT TORQUE. TAKEOFF WAS ABORTED. AIRCRAFT RETURNED TO GATE. GROUND RUN OF THE NUMBER ONE ENGINE, IN ALL RANGES WAS PERFORMED. ENGINE RUN AND OPS CHECKED GOOD. AIRCRAFT WAS RETURNED TO SER - [SDR SABA010044](https://openairdocs.org/sdr/SABA010044.md): Valve · bypassing · Aug 24, 2001 · N961AE · Bag JETSTM3201 · Fuel Controlling System > Aircraft 963 on flight 5100 from CLT to HTS. During takioff roll the left engine would not respond to power lever movement Takeoff was aborted. No evergency procedures were used. After the aircraft cleared the runway, the crew performed a ground run. The - [SDR 20010212SG011](https://openairdocs.org/sdr/20010212SG011.md): Bearing · spalled · Dec 21, 2000 · N1119K · Swrngn SA227* · Turbine Engine Reduction Gear > BIL - FLT 2570 - RECEIVED CALL AND FAC FROM SOAP LAB ABOUT RESULTS FROM THE LAST OIL SAMPLE TAKEN. RECOMMENDED REMOVING ENGINE FROM SERVICE DUE TO M50 TOOL STEEL PLATELETS FOUND IN OIL FILTER. GEARBOX BEARING FAILING. REPLACED ENGINE AND OIL COOLER, AND FLU - [SDR 20001011AP005](https://openairdocs.org/sdr/20001011AP005.md): Combustion Chamb · cracked · Jun 25, 2000 · N854LS · Frchld SA227DC · Turbine Engine Combustion Section > FLT 1310 - HRO - DURING TAKEOFF, THE ENGINE FIRE WARNING LIGHT CAME ON AT APPROXIMATELY 60 KTS, THE CREW ABORTED TAKEOFF AND THE FIRE WARNING LIGHT WENT OUT WHEN POWER WAS REDUCED. THE AIRCRAFT RETURNED TO GATE. A FIVE INCH CRACK WAS FOUND IN COMBUSTION PLE - [SDR RAIA0006018](https://openairdocs.org/sdr/RAIA0006018.md): Pressure Switch · failed · Jun 19, 2000 · N426TE · Aerosp ATR42300 · Engine Anti-Icing System > 7270-STL- RIGHT BLEED FAULT LIGHT ILLUMINATED ON TAXI. MAINTENANCE INSPECTED AND REPLACED AIRFRAME DEICE PRESSURE SWITCH. - [SDR 20000602SH016](https://openairdocs.org/sdr/20000602SH016.md): Engine · failed · May 7, 2000 · N854LS · Frchld SA227DC · Engine (Turbine/Turboprop) > PNC - FLT 1314 - DURING CRUISE, CREW HEARD ABNORMAL NOISE DESCRIBED AS A BUMP. LT ENG STARTED OPERATING ERRATICALLY AND TORQUE DROPPED 40-50 PERCENT. SHORTLY AFTER THAT, OIL PRESS STARTED DROPPING AND OIL PRESS WARNING LIGHT CAME ON. CREW SHUT DOWN LT ENG, - [SDR 20000614SH006](https://openairdocs.org/sdr/20000614SH006.md): Blade · failed · May 7, 2000 · N854LS · Frchld SA227DC · Engine (Turbine/Turboprop) > PNC - FLT 1314 - DURING CRUISE, CREW HEARD ABNORMAL NOISE DESCRIBED AS A BUMP. LT ENG STARTED OPER ERRATICALLY, TORQUE DROPPED 40 TO 50 PERCENT, OIL PRESS DROPPED, WARNING LIGHT CAME ON. CREW SHUT DOWN LT ENG, CONTINUED SINGLE ENG. CREW LANDED, NO FURTHER - [SDR 20000717AP003](https://openairdocs.org/sdr/20000717AP003.md): Blade · failed · May 7, 2000 · N854LS · Frchld SA227DC · Turbine Section > FLT 1314 - PNC - DURING CRUISE, CREW HEARD AN ABNORMAL NOISE DESCRIBED AS A BUMP. THE LT ENG STARTED OPERATION ERRATICALLY AND TORQUE DROPPED 40 TO 50 PERCENT. SHORTLY AFTER THAT THE OIL PRESSURE STARTED DROPPING AND THE OIL PRESSURE WARNING LIGHT CAME ON. - [SDR 20000816AP006](https://openairdocs.org/sdr/20000816AP006.md): Turbine Wheel · failed · May 7, 2000 · N854LS · Frchld SA227DC · Turbine Section > FLT 1314 - PNC - DURING CRUISE, CREW HEARD AN ABNORMAL NOISE DESCRIBED AS A BUMP. THE LT ENGINE STARTED OPERATING ERRATICALLY AND TORQUE DROPPED 40 TO 50 PERCENT. SHORTLY AFTER THAT THE OIL PRESSURE STARTED DROPPING AND THE OIL PRESSURE WARNING LIGHT CAME ON - [SDR 20001005AP008](https://openairdocs.org/sdr/20001005AP008.md): Stator · damaged · May 7, 2000 · N854LS · Frchld SA227DC · Turbine Section > PNC - FLT 1314 - DURING CRUISE, CREW HEARD AN ABNORMAL NOISE DESCRIBED AS A BUMP. THE LEFT ENGINE STARTED OPERATING ERRATICALLY AND TORQUE DROPPED 40 TO 50 PERCENT. SHORT AFTER THAT THE OIL PRESSURE STARTED DROPPING AND THE OIL PRESSURE WARNING LIGHT CAME ON - [SDR 20000602SH018](https://openairdocs.org/sdr/20000602SH018.md): Gearbox · failed · Apr 14, 2000 · N453LA · Frchld SA227DC · Turbine Engine Reduction Gear > LIT - FLT 1313 - CRUISE FLT, PILOT HEARD LOUD BANG, CABIN STARTED TO FILL WITH SMOKE. RT ENG RPM INCREASED ABOVE REDLINE. CREW SHUT DOWN RT ENG, RT BLEED. CABIN PRESS DUMPED AND OXY DONNED BY CREW, PASSENGERS. EMERG DESCENT DOWN TO SAFE ALTITUDE FOR UNPR - [SDR 20000614SH003](https://openairdocs.org/sdr/20000614SH003.md): Gear · broken · Apr 14, 2000 · N453LA · Frchld SA227DC · Turbine Engine Accessory Drive > LIT - FLT 1313 - IN CRUISE FLIGHT, PILOTS HEARD A LOUD BANG, CABIN STARTED TO FILL WITH SMOKE. RT ENG RPM INCREASED ABOVE REDLINE. CREW SHUT DOWN RT ENG, RT BLEED. CABIN PRESS DUMPED, OXYGEN DONNED BY CREW AND PASSENGERS. EMERG DESCENT COMPLETED DOWN TO S - [SDR 20000717AP001](https://openairdocs.org/sdr/20000717AP001.md): Engine · fod · Apr 14, 2000 · N453LA · Frchld SA227DC · Engine (Turbine/Turboprop) > FLT 1313 - LIT - WHILE IN CRUISE, THE PILOTS HEARD LOUD BANG, AND CABIN STARTED TO FILL WITH SMOKE. RT ENG RPM INCREASED ABOVE REDLINE. CREW SHUTDOWN RT ENG AND RT BLEED. CABIN PRESSURIZATION WAS DUMPED AND OXYGEN DONNED BY CREW AND PAX. EMERGENCY DESCENT - [SDR 20001005AP009](https://openairdocs.org/sdr/20001005AP009.md): Gear · failed · Apr 14, 2000 · N453LA · Frchld SA227DC · Turbine Engine Reduction Gear > FLT 1313 - LIT - WHILE IN CRUISE FLIGHT, THE PILOTS HEARD A LOUD BANG, AND THE CABIN STARTED TO FILL WITH SMOKE. RT ENG RPM INCREASED ABOVE REDLINE. CREW SHUTDOWN RT ENGINE AND RT BLEED. CABIN PRESS WAS DUMPED AND OXYGEN DONNED BY CREW AND PAX. EMERGENCY D - [SDR RAIA0003009](https://openairdocs.org/sdr/RAIA0003009.md): Switch · failed · Mar 12, 2000 · N436AM · Bag JETSTM3201 · Engine Fuel Indicating System > 7478-STL -LEFT FUEL PRESSURE CAPTION ILLUMINATED ON TAKEOFF ROLL. MAINTENANCE INSPECTED AND DEFERRED PER MEL. MAINTENANCE REPLACED LEFT ENGINE FUEL PRESSURE SWITCH. - [SDR RAIA0002023](https://openairdocs.org/sdr/RAIA0002023.md): Switch · failed · Feb 26, 2000 · N343TE · Bag JETSTM3201 · Fuel Pressure Indicating > 7209 - FWA - LEFT FUEL PRESSURE CAPTION ILLUMINATED ON TAKEOFF ROLL ALL OTHER ENGINE INDICATIONS NORMAL. MAINTENANCE INSPECTED AND DEFERRED LEFT ENGINE FUEL PRESSURE CAPTION. MAINTENANCE REPLACED LEFT ENGINE FUEL PRESSURE SWITCH. - [SDR RAIA0001006](https://openairdocs.org/sdr/RAIA0001006.md): Engine · failed · Jan 3, 2000 · N427AM · Bag JETSTM3201 · Engine (Turbine/Turboprop) > 735 - STL - RIGHT ENGINE MADE AN UNCOMMANDED SHUTDOWN. MAINTENANCE REPLACED RIGHT ENGINE. - [SDR RAIA9910034](https://openairdocs.org/sdr/RAIA9910034.md): Fuel Pump · failed · Oct 25, 1999 · N862JX · Bag JETSTM3201 · Engine Fuel Pump > 4797-MRY- RIGHT FUEL CAP LIGHT CAME ON AND RIGHT FUEL PRESS LOW. MAINTENANCE REPLACED RIGHT ENGINE FUEL PUMP. - [SDR AU990137](https://openairdocs.org/sdr/AU990137.md): Fitting · cracked · Feb 12, 1999 · Frchld SA227DC · Horizontal Stabilizer Structure > (AUS) HORIZONTAL STABILIZER ACTUATOR ATTACHMENT LUG CRACKED. - [SDR RAIA990214](https://openairdocs.org/sdr/RAIA990214.md): Fuel Line · failed · Feb 11, 1999 · N426AM · Bag JETSTM3201 · Engine Fuel Distribution > FLT 7424 - STL - RIGHT ENGINE FUEL PUMP LIGHT ILLUMINATED. MAINTENANCE REPLACED MAIN FUEL LINE ON RIGHT ENGINE. (M) - [SDR AU990095](https://openairdocs.org/sdr/AU990095.md): Valve · faulty · Feb 10, 1999 · Frchld SA227DC · Brake Anti-Skid Section > (AUS) ANTI-SKID BRAKE CONTROL VALVE SUSPECT FAULTY. PART TC: 2,825. - [SDR AU990144](https://openairdocs.org/sdr/AU990144.md): Transmitter · faulty · Feb 8, 1999 · Bag JETSTM3201 · Fuel Pressure Indicator > (AUS) NR 1 FUEL PRESSURE TRANSMITTER FAULTY. PART TC: 8,971. - [SDR RAIA980702](https://openairdocs.org/sdr/RAIA980702.md): Screw · loose · Jul 1, 1998 · N429AM · Bag JETSTM3201 · Fuel Controlling System > FLT 7466 - STL - RIGHT SPEED LEVER LINKAGE SELF LOCKING ALLEN HEAD FASTENER LOOSENED CAUSING LINKAGE TO SEPARATE FROM UNDER SPEED FUEL GOVERNOR SPLINE. MAINTENANCE REPLACED SCREW PERFORMED RIGGING AND RUN. (M) - [SDR RAIA980613](https://openairdocs.org/sdr/RAIA980613.md): Engine · malfunctioned · Jun 25, 1998 · N433AM · Bag JETSTM3201 · Engine (Turbine/Turboprop) > FLT 7045 - STL - LEFT ENGINE SINGLE RED LINE COMPUTER CAPTION ILLUMINATED ON TAKEOFF ROLL. MAINTENANCE DEFERRED 76-1 CAT C. (M) - [SDR SABA980019](https://openairdocs.org/sdr/SABA980019.md): Fuel Control · failed · Mar 15, 1998 · N920AE · Bag JETSTM3201 · Fuel Control/Turbine Engines > SOP - FLT 5022 - ON FLIGHT FROM CLT TO ISO, THE RT ENGINE RPM DROPPED AND FUEL CAPTION LIGHT CAME ON. AIRCREW COULD NOT REGAIN POWER, SO THE ENGINE WAS SHUT DOWN. IN-FLIGHT EMERGENCY WAS DECLARED AND EMERGENCY PROCEDURES WERE USED. AIRCRAFT DIVERTED AND LAN - [SDR RAIA970621](https://openairdocs.org/sdr/RAIA970621.md): Compressor · failed · Jun 24, 1997 · N428AM · Bag JETSTM3201 · Turbine Engine Compressor Section > STL - FLT 7069 - RIGHT ENGINE DID NOT ACHIEVE TARGET TORQUE ON TAKEOFF. MAINTENANCE REPLACED RIGHT ENGINE DUE TO COMPRESSOR AND HOT SECTION DEGRADATION. (X) - [SDR VTZA96364](https://openairdocs.org/sdr/VTZA96364.md): Engine · flamed out · Sep 6, 1996 · N471UE · Bag JETSTM3201 · Engine (Turbine/Turboprop) > IAD/ISP - FLT 6168 - DURING CRUISE AT 1415 HOURS ON 9-6-96, MADE AN UNSCHEDULED LANDING DUE TO RT ENGINE FLAME OUT IN-FLIGHT. AIRCRAFT RETURNED TO GATE WITH NO FURTHER INCIDENT. (X) - [SDR WWMA9600039](https://openairdocs.org/sdr/WWMA9600039.md): Bleed Air Gasket · defective · Apr 22, 1996 · N958AE · Bag JETSTM3201 · Compressor Bleed Control > THE RIGHT ENGINE HAD FLUCTUATING AND LOW TORQUE ON CLIMBOUT. AIRCRAFT RETURNED TO FIELD WITHOUT INCIDENT. MAINTENANCE FOUND A DAMAGED BLEED AIR GASKET ON THE RIGHT ENGINE. THE GASKET WAS REPLACED AND THE AIRCRAFT WAS RETURNED TO SERVICE. - [SDR 96ZZZM689](https://openairdocs.org/sdr/96ZZZM689.md): Engine · failed · Mar 23, 1996 · N944AE · Bag JETSTM3201 · Engine (Turbine/Turboprop) > FLT NR 4567 - BNA - DURING CRUISE FLIGHT, THE RIGHT ENGINE TORQUE DROPPED TO 20 PERCENT AND THE RPM ROSE TO 120 PERCENT. THE CREW SHUT DOWN THE RIGHT ENGINE, DECLARED AN EMERGENCY AND RETURNED TO BNA WITHOUT INCIDENT. REPLACED ENGINE. (M) - [SDR WTAA960050](https://openairdocs.org/sdr/WTAA960050.md): Fuel Contl Unit · failed · Mar 4, 1996 · N425UE · Bag JETSTM3101 · Fuel Control/Turbine Engines > SFO - NR 2 ENGINE FAILED TO ACHIEVE REQUIRED TORQUE ON TAKEOFF ROLL. TAKEOFF ABORTED WITHOUT INCIDENT. MAINTENANCE DEFERRED TTL SYSTEM PER MEL 76-2. ENGINE OPERATIONS REPORTED NORMAL DURING GROUND RUN WITH TTL OFF. AIRCRAFT RETURNED TO SERVICE. TTL SYSTEM - [SDR RAIA960136](https://openairdocs.org/sdr/RAIA960136.md): Fuel Control · out of adjust · Jan 21, 1996 · N428AM · Bag JETSTM3201 · Fuel Control/Turbine Engines > STL - FLT 7058 - LEFT ENGINE WOULD ONLY ACHIEVE 97.5 PERCENT RPM. MAINTENANCE ADJUSTED SCREW 'X', PERFORMED GROUND RUNS, OPERATIONAL CHECK GOOD. ENGINE TT, 9,060.6 HOURS. (X) - [SDR RAIA960133](https://openairdocs.org/sdr/RAIA960133.md): Fuel Control · out of adjust · Jan 19, 1996 · N434AM · Bag JETSTM3201 · Fuel Controlling System > BMI - FLT 7325 - LEFT ENGINE RPM WOULD NOT COME ABOVE 98.5 PERCENT - 99 PERCENT ON TAKEOFF. FERRY FLIGHT TO STL. MAINTENANCE ADJUSTED RPM, GROUND RUNS GOOD. ENGINE TT, 6,994.1 HOURS. (X) - [SDR 96ZZZX1404](https://openairdocs.org/sdr/96ZZZX1404.md): Gasket · leaking · Jan 18, 1996 · N853LS · Frchld SA227DC · Turbine Engine Oil System > DFW/WDG - FLT 1260 - WHILE EN ROUTE, LT ENGINE LOST ALL OIL PRESSURE. THE PILOT SHUT DOWN LT ENGINE AND PROCEEDED TO DFW WHERE HE LANDED WITHOUT FURTHER INCIDENT. UPON TROUBLESHOOTING, FOUND THE SCAVENGE OIL PUMP GASKET LEAKING AND THE MOUNT BOLTS LOOSE. MA - [SDR RAIA960119](https://openairdocs.org/sdr/RAIA960119.md): Gasket · failed · Jan 14, 1996 · N429AM · Bag JETSTM3201 · Engine Bleed Air System > STL - FLT 7260 - LEFT ENGINE WOULD NOT MAKE TARGET TORQUE. MAINTENANCE REPLACED P3 GASKETS, GROUND RUNS GOOD. ENGINE TT, 5,973.2 HOURS. (X) - [SDR RAIA960114](https://openairdocs.org/sdr/RAIA960114.md): Anti-Ice Valve · faulty · Jan 10, 1996 · N428AM · Bag JETSTM3201 · Engine Anti-Icing System > STL - FLT 7492 - RIGHT ENGINE ANTI-ICE FAILED IN-FLIGHT. CIRCUIT BREAKER WOULD NOT RESET. MAINTENANCE REPLACED RIGHT ENGINE ANTI-ICE VALVE, OPERATION CHECK GOOD. ENGINE TT, 8,557.8 HOURS. (X) - [SDR 96ZZZX766](https://openairdocs.org/sdr/96ZZZX766.md): Rotating Seal · flange cracked · Jan 8, 1996 · Turbine Section > DURING SCHEDULED HOT SECTION INSPECTION, FOUND PART CRACKED AT SEAL FLANGE. NO SIGNS OF ABNORMAL OPERATION WERE EVIDENT. SUBMITTER STATED THIS IS A CRITICAL LIFE-LIMITED COMPONENT. LIMIT IS 10,000 CYCLES. THIS IS THE 25TH MALFUNCTION/DEFECT REPORT SUBMITTE - [SDR 96ZZZX813](https://openairdocs.org/sdr/96ZZZX813.md): Rotating Seal · flange cracked · Jan 3, 1996 · Turbine Section > DURING INSPECTION FOR METAL CONTAMINATION, FOUND PART CRACKED AT SEALING FLANGE. THIS IS A CRITICAL LIFE-LIMITED COMPONENT. LIFE-LIMIT IS 20,000 CYCLES. SUBMITTER STATED THIS IS THE 24TH MALFUNCTION/DEFECT REPORT SUBMITTED ON THIS PART BY THIS REPAIR STATIO - [SDR 96ZZZX652](https://openairdocs.org/sdr/96ZZZX652.md): Turbine · damaged · Dec 24, 1995 · N848JX · Bag JETSTM3201 · Turbine Section > CREW WHILE PERFORMING FIRST FLIGHT OF DAY CHECKS (ON GROUND, TTL PORTION OF CHK), NOTED A LOUD POP FROM LT ENGINE FOLLOWED BY SMOKE FROM ENG COWLS. STOP & FEATHER LEVER PULLED. CREW NOTED FLAMES EMANATING FROM ENG INLET PRIOR TO PROP ROTATION STOPPING. NR 1 - [SDR 96ZZZX487](https://openairdocs.org/sdr/96ZZZX487.md): Seal · cracked · Dec 7, 1995 · Turbine Section > DURING SCHEDULED HOT SECTION INSPECTION, FOUND SEAL CRACKED AT SEALING FLANGE. THIS IS A CRITICAL LIFE LIMITED COMPONENT. LIFE LIMIT IS 20,000 CYCLES. SUBMITTER SUGGESTS ALLIED SIGNAL ENGINEERING DETERMINE/CORRECT CAUSE OF CRACKING. NUMEROUS MALFUNCTION/DE - [SDR 96ZZZX814](https://openairdocs.org/sdr/96ZZZX814.md): Rotating Seal · flange cracked · Dec 7, 1995 · Turbine Section > DURING SCHEDULED HOT SECTION INSPECTION, FOUND PART CRACKED AT FLANGE. THIS IS A CRITICAL LIFE-LIMITED COMPONENT. LIFE-LIMIT = 20,000 CYCLES. THIS IS THE 23RD MALFUNCTION/DEFECT REPORT SUBMITTED BY THIS REPAIR STATION ON THIS TOPIC. - [SDR 96ZZZX97](https://openairdocs.org/sdr/96ZZZX97.md): Seal · cracked · Nov 27, 1995 · Turbine Section > DURING SCHEDULED CAM INSPECTION, FOUND PART CRACKED AT FLANGE. THIS IS A MAIN ROTATING GROUP, CRITICAL LIFE-LIMITED COMPONENT. LIFE-LIMIT IS 20,000 CYCLES. SUGGEST ALLIED SIGNAL ENGINEERING DETERMINE AND CORRECT THE CAUSE OF THIS PROBLEM. THIS IS THE 21ST - [SDR 95ZZZX6601](https://openairdocs.org/sdr/95ZZZX6601.md): Seal · cracked · Nov 11, 1995 · Turbine Section > DURING HOT SECTION INSPECTION, FOUND SEAL FLANGE CRACKED 8 PLACES. SUBMITTER STATED THIS IS A CRITICAL MAIN ROTATING GROUP LIFE-LIMITED COMPONENT. LIFE-LIMIT IS 10,000 CYCLES. SUBMITTER STATES THIS IS THE 20TH MALFUNCTION/DEFECT REPORT SUBMITTED REGARDING T - [SDR 96ZZZX96](https://openairdocs.org/sdr/96ZZZX96.md): Seal · cracked · Nov 11, 1995 · Turbine Section > DURING CAM INSPECTION, FOUND SEAL CRACKED AT SEAL FLANGE IN 7 PLACES. THIS IS A CRITICAL MAIN ROTATING GROUP LIFE-LIMITED COMPONENT. CURRENT LIFE LIMIT IS 20,000 CYCLES. TOTAL CYCLES 7,894. - [SDR WWMA9500080](https://openairdocs.org/sdr/WWMA9500080.md): Fuel Syst · malfunctioned · Nov 3, 1995 · N966AE · Bag JETSTM3201 · Engine Fuel Distribution > DURING LANDING ROLLOUT, WHEN POWER LEVERS WERE PLACED IN REVERSE THE RIGHT ENGINE SHUT ITSELF DOWN. MAINTENANCE PERFORMED GROUND RUNS AND WAS UNABLE TO DUPLICATE THE PROBLEM. REPLACED THE RIGHT ENGINE FUEL FLOW DIVIDER AND FUEL SHUTOFF VALVE, AS A PRECAUTIO Next page: https://openairdocs.org/engine/garrett-tpe331-12uar/reports.md?page=2 ## 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 = 'TPE33112UAR' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/engine/garrett-tpe331-12uar/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.