Pratt & Whitney PW2037

Service difficulty reports · 12,809

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duckdb -csv -c "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 = 'PW2037'
  ORDER BY difficulty_date DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SDR DALA2021010204367Eec · malfunctionedTHE NR 1 ENGINE WAS SHUTDOWN IN FLIGHT DUE TO BECOMING UNRESPONSIVE TO THE CREW. THE QRH WAS COMPLIED WITH. THE ENGINE WENT TO IDLE AND WOULD NOT RESPOND THEREAFTER. MAINTENANCE ACCOMPLISHED A WINDMILL INSPECTION, PER B757 AMM 72-00. ALL CHIP DETECTORS WERDec 30, 2020 · N670DN · Boeing 757232 · Fuel Controlling SystemSDR DALA2020122804309Engine · failedTHE FLIGHT RETUNED TO CUN AND AN UNEVENTFUL SINGLE ENGINE LANDING. THE NR 1 ENGINE STALLED AND FAILURE SHORTLY AFTER TAKE-OFF. THE FLIGHT CREW HEARD THE LEFT ENGINE POPPING AND FELT A SHUDDER DURING THE CLIMB OUT. THIS WAS ACCOMPANIED BY ENGINE PARAMETERS RDec 27, 2020 · N537US · Boeing 757251 · Engine (Turbine/Turboprop)SDR DALA2020122704274Engine · stalledAFTER TAKEOFF THE AIRCRAFT EXPERIENCED A COMPRESSOR STALL ON THE NR 1 ENGINE WITH THE FLIGHT ATTENDANT REPORTING A SHORT FIRE BURST OUT OF ENGINE TAILPIPE. FLIGHT CREW SHUT DOWN LEFT ENGINE AND DISCHARGED 2 FIRE BOTTLES. CORRECTIVE ACTION: MAINTENANCE DOWNLODec 22, 2020 · N6715C · Boeing 757232 · Turbine Engine Compressor SectionSDR DALA2020120703989Idg · failedTHE CREW RETURNED THE AIRCRAFT TO LAX FOLLOWING THE NR 1 GENERATOR DROPPING OFFLINE AFTER TAKEOFF. UNABLE TO CONTINUE ETOPS. AFTER LANDING, THE NR 1 GENERATOR DRIVE AND THE UTILITIES BUSS SHED WOULD NOT RESET. CORRECTIVE ACTION: MAINTENANCE PERFORMED A BACKDec 7, 2020 · N547US · Boeing 757251 · AC Generator-AlternatorSDR DALA2020120804003Generator · malfunctionedTHE CREW RETURNED THE AIRCRAFT TO LAX FOLLOWING THE NR 1 GENERATOR DROPPING OFFLINE AT TOP OF CLIMB. UNABLE TO CONTINUE ETOPS. CORRECTIVE ACTION: MAINTENANCE REPLACED THE NR 1 ENGINE IDG, PER B757 AMM 24-11-01. THE GENERATOR FEEDER CABLES ALL CHECKED SATISFDec 7, 2020 · N547US · Boeing 757251 · AC Generator-AlternatorSDR DALA2020113003899Oil System · overservicedON CLIMB-OUT THE NR 2 ENGINE OIL TEMPERATURE WENT INTO THE RED ARC (216 DEGREES) AND STAYED THERE. EVEN AFTER THE ENGINE WAS REDUCED TO IDLE THE OIL TEMPERATURE REMAINED IN THE RED ARC, SO PER THE QRH THE ENGINE WAS SHUTDOWN. THE CREW RETURNED THE AIRCRAFT TNov 29, 2020 · N699DL · Boeing 757232 · Accessory GearboxesSDR DALA2020112903896Support · crackedDURING CHECK A CRACK WAS FOUND ON ENGINE NR 2 PYLON FAN COWL SUPPORT STRUCTURE RIGHT SIDE. REPAIRED PER ERA.Nov 25, 2020 · N693DL · Boeing 757232 · Nacelle/Pylon Miscellaneous StructureSDR DALA2020120904027Bushing · migratedDURING REMOTION OF MIGRATED BUSHINGS MAINTENANCE FOUND CORROSION ON OUTBOARD LUG ON UPPER LINK ATTACH POINT AT RIGHT PYLON AND REPAIRED, PER SRM 54-51-90.Oct 15, 2020 · N706TW · Boeing 7572Q8 · Nacelle/Pylon, Attach FittingsSDR DALA2020100903321Unknown · leakingTHE FLIGHT WAS DIVERTED TO MSP FOLLOWING THE LOSS OF OIL FROM THE #1 ENGINE. AN EMERGENCY WAS NOT DECLARED, THE ENGINE WAS NOT SHUT DOWN, AND THE AIRCRAFT LANDED UNEVENTFULLY. CORRECTIVE ACTION: MAINTENANCE VISUALLY INSPECTED THE ENGINE BUT DID NOT FIND ANY EXOct 9, 2020 · N819DX · Boeing 75726D · Turbine Engine Oil SystemSDR DALA2020092103117Engine · fireTHE AIRCRAFT BEHIND NOTICED A FIRE FROM THE NR 2 ENGINE. THE ENGINE WAS SHUTDOWN WITH NO ONBOARD FIRE INDICATIONS ALERTING. NO FURTHER SMOKE OR FLAME WAS NOTED AFTER SHUTDOWN. THE NR 1 ENGINE HAD BEEN STARTED NORMALLY WITHOUT INCIDENT. THE NR 2 ENGINE WAS Sep 19, 2020 · N692DL · Boeing 757232 · Engine (Turbine/Turboprop)SDR DALA2020082302838Pilot Valve · malfunctionedTHE FLIGHT RETURNED TO DFW FOLLOWING THE "L BLEED" LIGHT ILLUMINATING TRIPPING PACK AND BLEED OFF. WITH ENGINE AND WING ANTI-ICE ON, AIRCRAFT WILL NOT HOLD CABIN ALTITUDE. CORRECTIVE ACTION: MAINTENANCE REPLACED THE LT PACK CONDENSER AND WATER EXTRACTOR PACKINAug 23, 2020 · N582NW · Boeing 757351 · Pneumatic Distribution SystemSDR DALA2020073092678Bolt · looseIFSD & ATB, DURING CLIMB TO FL250 THE LEFT ENGINE ROLLED BACK. CREW FOLLOWED QRH PROCEDURE FOR ENGINE SHUTDOWN AND RETURNED TO DEPARTURE. MTC FOUND PMA STATOR HOUSING BOLTS LOOSE AND ROTOR AND CONNECTORS DAMAGED. CARBON SEAL, ROTOR AND STATOR REPLACED AND GJul 29, 2020 · N723TW · Boeing 757231 · Turbine Engine Compressor SectionSDR I5PA2020051475701Transmitter · leakingLH ENG FUEL FLOW TRANMISTTER WAS FOUND LEAKING AT THE CASE ASSY. THE UNIT WAS REPLACED WITH NO ISSUES DURING THE OPERATIONAL CHECKMay 12, 2020 · N757QM · Boeing 75729J · Fuel Flow IndicatingSDR I5PA2020042975701Printed Ckt Board · unserviceableR ENG FIRE LP 1 EICAS MESSAGE. TROUBLESHOT PER FIM 26-11 FAULT TREE 802. PERFORMED FIRE LOOPS RESISTANCE CHECK PER TABLE 101 ALL CHECK WITHIN LIMITS. PROBLEM ISOLATED TO FIRE CONTROL PRINTED CARD M683. REMOVED AND REPLACED, PERFORMED ENG/APU/CARGO FIRE TEST SAApr 27, 2020 · N757QM · Boeing 75729J · Fire DetectionSDR I5PA2020040188801Starter · damagedRH ENG STARTER FAILED DURING START. INSPECTION INDICATED INTERNAL DAMAGE. STARTER WAS REPLACED AND AIRCRAFT WAS PLACED BACK INTO SERVICEApr 1, 2020 · N888LT · Boeing 757230 · Engine StarterSDR I5PA20200327604Pressure Switch · faultyRH ENG LOW OIL PRESSURE LIGHT AND EICAS MESSAGE INTERMITTENT. MX FOUND AND REPLACED FAULTY LOW OIL PRESSURE SWITCHMar 26, 2020 · N757QM · Boeing 75729J · Engine Oil PressureSDR I5PA20200327605Controller · leakingRH ENG BLEED FLUCTUATED IN FLIGHT. MX FOUND AND REPLACED A LEAKING RFCC WITHOUT FURTHER DEFECTSMar 26, 2020 · N757QM · Boeing 75729J · Pneumatic Distribution SystemSDR I5PA20200327606Circuit Card · damagedRH ENG FIRE LOOP 1 STATUS MESSAGE. ISSUE WAS ISOLATED TO A DAMAGED FIRE LOOP CIRCUIT CARDMar 26, 2020 · N757QM · Boeing 75729J · Fire DetectionSDR I5PA20200327203Ignition Lead · shortedRH ENG IGNITION SYS 1 CIRCUIT BREAKER EXTENDED DURING START. ISSUE WAS ISOLATED TO A SHORTED IGNITION LEAD AND REPLACED WITHOUT FURTHER ISSUESMar 22, 2020 · N757QM · Boeing 75729J · Ignition Harness (Distribution)SDR DALA2020031101790Eec · malfunctioned(AIRCRAFT 6804, L/P 9801176) DESCENDING THRU 10,000 FT ENG #2 WAS AT IDLE AND UNRESPONSIVE TO THROTTLE INPUTS, PER THE QRH ENGINE LIMIT OR SURGE CHECKLIST WAS ACCOMPLISHED. #2 ENG RECOVERED AFTER STEP 8 (BLEED OFF THEN ON). CORRECTIVE ACTION: T/S PER B757 FIM Mar 9, 2020 · N706TW · Boeing 7572Q8 · Fuel Control/Turbine EnginesSDR I5PA2020030875701Eec · intermittentRH ENGINE HUNG START AFTER PUSHBACK. ASSOCIATED WITH EICAS MESSAGE R ENG SEC CONT. PROBLEM ISOLATED TO EEC REPLACEMENT. REPLACED RIGHT EEC -ENGINE IDLE RUN NORMAL.Mar 6, 2020 · N757QM · Boeing 75729J · Fuel Control/Turbine EnginesSDR DALA2020030201535Fuel Control · malfunctionedSHIP 6710- ATO - PERFORMED REJECTED T/O AT APPROX 65KTS DUE TO RIGHT ENGINE NOT RESPONDING TO THROTTLE MOVEMENT. CREW REPORTED BOTH ENGINES OPERATED NORMALLY ON TAXI OUT. CORRECTIVE ACTION: REPLACED THE FUEL CONTROL UNIT AND FOLLOWING CHECK OUT, RETURNED THE AMar 1, 2020 · N6710E · Boeing 757232 · Fuel Control/Turbine EnginesSDR I5PA2020022766803Transmitter · out of tolerance"FUEL DISAGREE PROG 2". FUEL FLOW DISAGREE BY 600#'S TOTALIZE FUEL ONLY INTO FLIGHT. RIGHT HIGHER THAN LEFT. REMOVED AND REPLACED #2 ENGINE FUEL FLOW TRANSMITTER I.A.W. AMM 73-31-01 AND PERFORMED ENGINE RUN AND LEAK CHECK. LECH CHECK GOOD, FUEL FLOW NOW AT 1.1Feb 26, 2020 · N688SL · Boeing 757230 · Engine Fuel Indicating SystemSDR I5PA2020021948802Fire Loop · shortedRH ENG FIRE LOOP DETECTOR NO 2 MSG APPEARED IN FLIGHT. ITEM WAS PLACED ON MEL. PART WAS THEN REPLACED WITHOUT FURTHER DEFECTSFeb 14, 2020 · N688SL · Boeing 757230 · Fire DetectionSDR I5PA2020021966801Fire Loop · shortedRH ENG FIRE LOOP DETECTOR NO 2 WAS FOUND FAULTY DURING A PRE FLIGHT CHECK. PART WAS REPLACED WITHOUT ANY FURTHER DEFECTSFeb 6, 2020 · N688SL · Boeing 757230 · Fire DetectionSDR DALA2020020100881Engine · making metalSHIP 5638 - ATB - ON CLIMB, FLT CREW EXPERIENCED RIGHT ENGINE VIBRATIONS, DECISION MADE TO RETURN TO SEA. MTC FOUND METAL IN THE TAILPIPE. CORRECTIVE ACTION: R/R #2 ENGINE PER AMDS WORK CARDS. OPS AND LEAK CHECK OKAY.Jan 31, 2020 · N538US · Boeing 757251 · Engine (Turbine/Turboprop)SDR I5PA2020012807702Starter · making metalRIGHT ENG STARTER WAS REPLACED DUE TO OUT OF LIMIT CHIP DETECTOR FINDINGS DURING ROUTINE SERVICING OF THE STARTER.Jan 27, 2020 · N757QM · Boeing 75729J · Engine StarterSDR DALA2020011700366Compressor · stalledATB- THE CREW PERFORMED AN AIR TURN BACK DUE TO LEFT ENGINE COMPRESSOR STALL WITH RISE IN EGT. CORRECTIVE ACTION: INSPECTED INLET, EXHAUST, CHIP DETECTORS, 2.5 BLEED AND VSV SYSTEM. NO DISCREPANCIES FOUND. BOROSCOPED HPC SECTION FOR COMPRESSION SURGE WITH NO LJan 16, 2020 · N689DL · Boeing 757232 · Turbine Engine Compressor SectionSDR DALA2020012160435Lug · noneRT PYLON UPPER LINK FWD ATTACH LUG ON PYLON HAD CORROSION ON THE INNER DIAMETER OF BUSHINGS. REMOVED ANVIL SWAGED BUSHINGS IAW ER/A 584011-14, REV ORIGINAL. UPON FURTHER EVALUATION, FOUND NO CORROSION ON INNER LUG HOLE AT THIS TIME IAW IAW SRM 51-10-02. INSTALJan 15, 2020 · N541US · Boeing 757251 · Nacelle/Pylon, Attach FittingsSDR CALA2020010600098Engine · flamed outENGINE 2 FAILURE LEVEL AT 4000FT BASE TO FINAL TURN FLIGHT CREW REPORTED THE ENGINE FLAMED OUT ON IT''S OWN. THEY HEARD A MUFFLED BOOM SOUND AND FELT THE AIRCRAFT YAW. THEY HAD R ENG STATOR AND R ENG FAIL EICAS MESSAGES DISPLAYED. ENGINE WINDMILLED FOR APPROX.Jan 5, 2020 · N589UA · Boeing 757222 · Engine (Turbine/Turboprop)SDR DALA2020010600074Fcu · malfunctionedSHIP 687 - FIRE - LEFT OVER WING DOOR OPENED AND SLIDE DEPLOYED ON TAXI OUT OF MEX, PASSENGER OBSERVED FLAMES AND SMOKE FROM BACK OF LEFT ENGINE DURING START. PASSENGER STARTED UNCOMMANDED EVACUATION-NO ABNORMAL COCKPIT INDICATIONS. CORRECTIVE ACTION: REPLACEDJan 3, 2020 · N687DL · Boeing 757232 · Fuel Control/Turbine EnginesSDR DALA2019123067620Unknown · odorVERY STRONG DIRTY SOCK SMELL IN COCKPIT. STARTED IN CLIMB, FADED IN CRUISE AND STRONG AGAIN IN DESCENT.Dec 24, 2019 · N675DL · Boeing 757232 · Air Distribution SystemSDR FDEA201912203269Manifold · damagedR ENG OIL LOW PRESSURE LIGHT INFLIGHT COMPLIED WITH QRH. REMOVED AND REPLACED MAIN BEARING BREATHER MANIFOLD ASSEMBLY, PER SB PW2000 79-86. LEAK CHECK GOOD.Dec 20, 2019 · N989FD · Boeing 757231 · Engine Oil PressureSDR DALA2019121607337Engine · making metalSHIP 6702 - IFSD & ATB - CREW PERFORMED AIR TURN BACK DUE TO RIGHT ENGINE COMPRESSOR STALL AND SUBSEQUENT SHUT DOWN. CORRECTIVE ACTION: MAINTENANCE FOUND EVIDENCE OF METAL IN THE TAIL PIPE. ENGINE CHANGE COMPLETED ON LOGPAGE 1399530.Dec 13, 2019 · N6702 · Boeing 757232 · Engine (Turbine/Turboprop)SDR DALA201912117231Engine · odor(AIRCRAFT 5654, L/P 6184463) AFT CABIN REPORTED ODOR ON FINAL FROM AIR CONDITIONING "DIRTY SOCKS" SMELL FROM AIRCRAFT. CORRECTIVE ACTION: NBR 2 ENGINE REPLACED IAW AMDS W/C 7100-9902E-02.Dec 8, 2019 · N554NW · Boeing 757251 · Engine (Turbine/Turboprop)SDR FDEA2019120103157Transmitter · failedRIGHT ENG WOULD NOT RELIGHT AFTER INTENTIONAL SHUTDOWN FOR TEST FLIGHT PROFILE. ENGINE VALVE DISCREET LIGHT REMAINED ILLUMINATED WHEN RIGHT FIRE HANDLE WAS PULLED AND RESET. RIGHT ENG OIL PRESS REMAINED AT ZERO OIL QTY INDICATED 12 QTS. REMOVED AND REPLACEDNov 30, 2019 · N996FD · Boeing 7572Q8 · Engine Oil PressureSDR DALA2019112506909Oil System · low pressureSHIP 6802 - IFSD/DIV - FLIGHT CREW DIVERTED TO SYR DUE TO LOST OIL PRESSURE ON RIGHT ENGINE. QRH WAS FOLLOWED AND ENGINE WAS SHUT DOWN. CORRECTIVE ACTION: VISUALLY INSPECTED INLET AND EXHAUST - NTF (N1 WILL TURN BY HAND). INSPECTED RIGHT ENGINE CHIP DETECTORS Nov 25, 2019 · N703TW · Boeing 7572Q8 · Engine Oil PressureSDR I5PA2019090475702Cone · dentedDURING HEAVY MAINTENANCE PHASE "C" CHECK, FOUND DENT ON #1 ENGINE EXHAUST CONE REQUIRING REPAIR.Sep 3, 2019 · N757QM · Boeing 75729J · Engine Collector/Tailpipe/NozzleSDR DALA2019083005129Engine · leakingSHIP 695 STRONG ODOR FROM AIR CONDITIONING ON CLIMB AND DESCENT. CORRECTIVE ACTION: FOUND OIL RESIDUE AT LOWER 2.5 BLEED PORT AT NUMBER 1 ENGINE. C/W NO GO ODI ATA 2172. C/W OIL CONTAMINATION REMOVAL PER AMM 21-00-01. PERFORMED TEMPORARY REPAIR PER ERA 580973-Aug 29, 2019 · N695DL · Boeing 757232 · Turbine Engine Oil SystemSDR DALA2019082214897Bleed Valve · malfunctionedSHIP 6808 - DIVERSION DUE TO RIGHT ENGINE COMPRESSOR STALL WITH POWER REDUCTION AT 4000 FEET. MTC FOUND 2.5 BLEED RING BINDING. AIRCRAFT MTC FERRIED TO ATL FOR REPAIR. REPLACED NBR 2 ENGINE 2.5 BLEED ACTUATOR AND FUEL CONTROL UNIT. LP 5886389Aug 18, 2019 · N712TW · Boeing 7572Q8 · Compressor Bleed ValveSDR CALA2019080101284Engine · overtempRIGHT ENG HIGH EGT, HIGH FOR 34 SECONDS AT 741 YAWING, HIGH VIBRATION. REMOVED NR 2 ENG.Jul 31, 2019 · N595UA · Boeing 757222 · Engine (Turbine/Turboprop)SDR DALA2019062403776Bypass Valve · malfunctionedCREW PERFORMED DIVERSION DUE TO LEFT ENGINE OIL TEMP HIGH. REPLACED THE AIR/OIL HEAT EXCHANGER, FUEL/OIL COOLER, BYPASS VALVE AND OIL TEMP THERMOCOUPLE. OIL TEMPS NORMAL DURING HIGH POWER RUNS AND AIRCRAFT RETURNED TO SERVICE.Jun 23, 2019 · N658DL · Boeing 757232 · Engine Oil TemperatureSDR DALA2019060523402Engine · odorHEAVY DIRTY SOCK SMELL REPORTED BY FLIGHT ATTENDANTS SITTING AT 2L DOOR WHILE ON FINAL APPROACH. CORRECTIVE ACTION: OPENED HPC 6TH STAGE PLUG AP1 ON BOTH NBR 1 & 2 ENGS TO CK FOR EVIDENCE OF OIL LEAK INTERNAL OF ENG. C/W BSI OF #1 ENG AND #2 ENG. FOUND WETNESSJun 1, 2019 · N539US · Boeing 757251 · Engine (Turbine/Turboprop)SDR DALA2019051603032Isolator · corroded(AIRCRAFT 682, L/P 1075071) HIDDEN CORROSION. AFTER ISOLATOR ASSEMBLY REMOVAL FROM FORWARD ENGINE MOUNT ISOLATOR A VISUAL INSPECTION WAS PERFORMED PER AMM 71-21-03-424-013-P00 PARAGRAPH E AND CORROSION WAS FOUND ON FORWARD ENGINE MOUNT BEAM. CORRECTIVE ACTION:May 14, 2019 · N682DA · Boeing 757232 · Engine Mount SectionSDR DALA2019050602866Engine · malfunctionedSHIP 696 OIL QUANTITY REDUCED TO ZERO ASSOCIATED LIGHTS AND MESSAGES APPEARED. CREW PERFORMED DIVERSION DUE TO ABNORMAL LEFT ENGINE PARAMETERS, HIGH VIBRATIONS AND OIL LOSS. CORRECTIVE ACTION: MTC FOUND METAL ON MASTER MCD AND THE OIL TANK EMPTY. ENGINE CHANGEMay 4, 2019 · N696DL · Boeing 757232 · Engine (Turbine/Turboprop)SDR DALA2019042982730Engine · power lossSHIP 655- IFSD - LEFT ENGINE ROLL BACK AND IFSD ON APPROACH INTO MCO. CORRECTIVE ACTION: MTC FOUND EGT EXCEEDANCE OF 703 DEGREES, REPLACED LEFT ENGINE.Apr 28, 2019 · N655DL · Boeing 757232 · Engine (Turbine/Turboprop)SDR DALA2019042402714Fitting · damaged#2 R/H ENG DRAG FITTING #2 HOLE HAS 2 INDICATIONS OF DEFECTS CLOCKED AT 10 OCLOCK AND 3 OCLOCK POSITIONS IN THE UPPER SKIN. REPAIRED #2 R/H ENGINE DRAG FITTING #2 HOLE PER ER/A 576658-14AD REV ORIGINAL. (1043395)Apr 23, 2019 · N702TW · Boeing 7572Q8 · Engine (Turbine/Turboprop)SDR DALA2019040422161Engine · odorMILD DIRTY/GYM SOCK SMELL DEVELOPED DURING CLIMB AND DESCENT. ODOR DISSIPATED. OBSERVED BY MULTIPLE CREW MEMBERS. SMELL WAS PRIMARILY MID-CABIN. ASSOCIATED ER/A 14-576898 NBR 2 ENG REPLACED PER W/C 7100-9902E-02. C/W RI 576898-14 REV ORIG SECT 2. PERMANENT REPMar 31, 2019 · N693DL · Boeing 757232 · Engine (Turbine/Turboprop)SDR DALA2019031101658Engine · odorSHIP 5654 SMELLED SULFUR SMELL ON CLIMB OUT 13K TO 15K BUT ODOR QUICKLY DISSIPATED. AGAIN ON DECENT AT 13K BUT AGAIN DISSIPATED. NO ODOR REPORTED BY CABIN. CORRECTIVE ACTION: C/W NO GO ODI PREVENTION, R/R NR 1 ENGINE.Mar 9, 2019 · N554NW · Boeing 757251 · Engine (Turbine/Turboprop)SDR DALA2019020500832Engine · leakingDIRTY WET SOCK SMELL ON DESCENT. BEGINNING 8000' UNTIL TOUCHDOWN. SEEMED TO DISSIPATE DURING TAXI IN. PER MCC BEGAN INSPECTING NR 1 ENG LOWEST 2.5 BLEED PORT. FOUND OIL LEAKING FROM THERE AT ROUGHLY 7 O'CLOCK POSITION. NOTIFIED MCC. CLOSED ENGINE. NR 1 ENGINE Feb 3, 2019 · N705TW · Boeing 757231 · Engine (Turbine/Turboprop)
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