Allison 501-D13D
Service difficulty reports · 160
Newest first. General aviation reporting is voluntary.
Query with SQL
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 = '501D13D' 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.
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 = '501D13D' ORDER BY difficulty_date DESC
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
SDR CA041004004Pump · out of adjust(CAN) AIRCRAFT DISPATCH LIKE USUAL FROM HANGAR WITH 28 PASSENGER ONBOARD AND CAME BACK DUE TO FUEL UNBALANCE AND ONE PASSENGER HAD REPORT SEEING FUEL COMING OUT OF RT HAND TANK OVERWING FUEL CAP AND CREW REALIZED IT HAD TAKEN OFF WITH FUEL CROSS-FEED OPEN. MASDR CA041005002Door · out of rig(CAN) AIRCRAFT DISPATCH WITH 29 PASSENGER ABOARD AT 13:32 GMT AND CAME BACK AT 14:14 WITH C2 DOOR OPEN. MAINTENANCE DISCOVERED THAT THE C2 DOOR COULD BE CLOSE IMPROPERLY IN SOME OCCASION AND NO DAMAGE WAS FOUND. MAINTENANCE CLOSE THE DOOR AND CONFIRM THE LOCK SDR CA040823002Circuit Breaker · sticking(CAN) DURING CRUISE THE OIL TEMPERATURE ON THE LT ENGINE CLIMBED TO LIMITS. THE OIL COOLER DOOR WAS NOT OPERATING. THE ENGINE WAS SHUT DOWN AND THE PROPELLER WAS FEATHERED AS A PRECAUTION. THE AIRCRAFT RETURNED TO BASE. UPON INVESTIGATION BY MAINTENANCE THE CISDR CA040818004Door · open(CAN) AFTER TAKEOFF, CREW NOTICED A (CARGO DOOR UNSAFE) LIGHT AND THE A/C WAS NOT PRESSURIZING. THE A/C RETURNED TO THE AIRPORT WHERE THE UPPER FWD CARGO DOOR WAS FOUND UNLOCKED. DOOR WAS LOCKED AND A/C CONTINUED ON FLIGHT.SDR CA040819013Line · ruptured(CAN) AC WAS ORBITING OVER FIRE. A LOUD SURGING SOUND WAS HEARD. A CHECK OF HYDRAULIC RESERVOIR INDICATED THAT NO HYDRAULIC FLUID WAS REMAINING. FLAPS WERE SELECTED FROM 15 TO 0 DEGREES. HYD BYPASS WAS SELECTED UP. RETARDANT LOAD WAS JETTISONED. AC RETURNED SDR CA040806001Actuator · failed(CAN) DURING CRUISE THE FLIGHT CREW NOTICED THAT THE OIL TEMPERATURE ON THE LT ENGINE WAS CLIMBING. THE CREW TRIED TO MANUALLY CONTROL THE OIL TEMP BUT WAS UNSUCCESSFUL. THE ENGINE WAS SHUT DOWN AND THE PROP WAS FEATHERED AS A PRECAUTION. THE AIRCRAFT RETURSDR CA040804001Gasket · missing(CAN) DURING DESCENT THE LT ENGINE ZONE 2 FIRE ALARM ACTIVATED.SDR CA040728006Bearing Race · corrodedDURING LANDING, THE FLIGHT CREW NOTICED A MAIN WHEEL SHIMMY. UPON INVESTIGATION BY MAINTENANCE, NR 2 MAIN WHEEL MADE RUMBLING SOUNDS AND AXLE VIBRATED WHEN SPUN BY HAND. UPON INSPECTION OF THE BEARING, GREASE WAS FOUND TO BE BLACK IN COLOR. INNER BEARING RASDR CA040719006Turnbuckle · shearedDURING INSPECTION MAINTENANCE CREW NOTED THAT THE RIGHT HAND ENGINE OUTBOARD EXHAUST SUPPORT TURNBUCKLE HAD SHEARED CAUSING THE TAILPIPE TO REST ON THE BOTTOM OF THE EXHAUST SHROUD INSTEAD OF BEING SUPPORTED IN THE CENTER. THE TURNBUCKLE WAS REPLACED WITH A SSDR CA040702003Bar · broken(CAN) DURING CRUISE THE FLIGHT CREW NOTICED SEVERE SURGING ON THE NR 1 ENGINE. THE FUEL FLOW WAS ALSO DROPPING AND SURGING. THE ENGINE WAS SHUT DOWN AND THE PROPELLER WAS FEATHERED. THE AIRCRAFT RETURNED TO DEPARTURE. DURING INVESTIGATION MAINTENANCE CREW FOUNSDR CA040628005Door · failed(CAN) DURING CLIMB OUT THE FLT CREW NOTICED THE OIL TEMPERATURE RISING TO THE RED LINE. THE OIL COOLER SWITCH WAS SELECTED FROM (AUTO) TO (MANUAL) OPEN WITH NO RESOMNSE. THE OIL TEMPERATURE CONTINUED TO CLIMB. THE ENGINE WAS SHUT DOWN ANDTHE PROP WAS FEATHEREDSDR CA040325005Door · leaking(CAN) ON CLIMB OUT, CREW EXPERIENCED A LOSS OF CABIN PRESSURE AND A CORRESPONDING DOOR WARNING LIGHT. THE CREW RETURNED TO DEPARTURE, CYCLED THE C1 DOOR, AND RE-DEPARTED WITHOUT FURTHER INCIDENT.SDR CA040305001Hook · disengaged(CAN) ON CLIMB OUT, CREW EXPERIENCED CABIN DEPRESSURIZATION AND ILLUMINATION OF (REAR SERVICE DOOR UNLOCKED) LIGHT. UPON RETURN TO THE RAMP, MAINTENANCE PERSONEL DISCOVERED ONE OF THE FOUR HOOKS THAT HOLD THE DOOR CLOSED WAS NOT PROPERLY ENGAGED IN IT'S YOKE. SDR 15HA0458004Compressor · damagedDURING THE DESCENT, AT APPROX 12,000 FT, THE CREW HEARD A LOUD BANG A MOMENT LATER, THE LT FIRE WARNING LIGHT ILLUMINATED AND THE CREW (E) HANDLED THE ENGINE. THE AC MADE AN UNEVENTFUL LANDING. INSPECTION OF THE LT ENGINE HAS REVEALED THE PRESENCE OF A PIECSDR 15HA0358007Quick Disconnect · wornIMMEDIATELY AFTER TAKEOFF FROM CLE, EN ROUTE TO CVG, RIGHT ENGINE AUTO-FEATHERED. THE CREW RETURNED TO CLE WHERE THEY MADE AN UNEVENTFUL SINGLE ENGINE LANDING. INSPECTION REVEALED THE RIGHT ENGINE MAIN FUEL FEED LINE 'QUICK DISCONNECT' FITTING AT THE FIRE WASDR CA031216004Control Unit · jammed(CAN) ON FLT, AUTO-PILOT WAS UNABLE TO CHANGE AC DIRECTION, AUTO-PILOT WAS DISCONNECTED AND CREW DISCOVER THAT THEY WERE UNABLE TO MOVE AILERON CONTROL WHEEL. THEY MOVED TRIM AND SUDDENLY AILERON CONTROL WHEEL TURNED, CONTROL WHEEL DID NOT JAM AGAIN. AFTER ASDR CA040113011Drive Assy · stripped(CAN) AFTER PROPS WENT OUT OF SYNC, ENG DRIVEN COMP LOW OIL LIGHT ILLUMINATED. EDC DISCONNECT WAS SELECTED, FLUCTUATING GB OIL PRESSURE WAS OBSERVED. PRESS FLICKERED FROM 200 PSI TO 120 PSI ABOUT EVERY 5 SECONDS. SHUTDOWN CARRIED OUT, AC RETURNED TO BASE OEI.SDR CA030718003Actuator · misoverhauled(CAN) RECIEVED ACTUATOR THROUGH OUR SUPPLIER. UPON INSTALLATION, FOUND IT BINDING. REMOVED IT AND FOUND THAT TWO SEPERATE CABLES THIS UNIT HAS WERE GOING THROUGH THE SAME PULLEY WHICH LEFT THE OTHER PULLEY NOT IN USE AND BINDING THE UNIT AS WELL AS DAMAGING TSDR CA030620005Valve · failed(CAN) DURING APPROACH INTO YELLOW, HYD SYSTEM FAILURE. MANUAL GEAR EXTENTION CARRIED OUTAND A/C LANDED WITH OUT DIFFICULTY. LT GEAR BLOW BACK VALVE FOUND FAILED (CAP BURST), REPLACED IAW MM AND A/C RETURNED TO SERVICESDR CA030307003Downlock Switch · malfunctioned(CAN) ON APPROACH, CREW FAILED TO GET A GREEN INDICATION FOR THE NOSE GEAR.AFTER INITIATING EMERGENCY PROCEDURES, THE INDICATION APPEARED. THE A/C WAS FERRIED TO A MAINTENANCE BASE, WHERE THE NLG DOWNLOCK SWITCH BRACKET WAS FOUND LOOSE AND SLIGHTLY BENT. THE ASDR CA030226002Disk · damaged(CAN) ON LANDING, THE NR 4 BRAKE DISK FRACTURED AND DAMAGED BOTH NR 3 AND NR 4 WHEELS AND TIRES. THE AIRCRAFT TAXIED TO PARKING WITHOUT INCIDENT. THE FRACTURED DISK WENT UNNOTICED UNTIL PIECES WERE FOUND ON THE RUNWAY AND TAXIWAY A SHORT TIME LATER. MAINTESDR CA030115004Fitting · cracked(CAN) A HOSE ASSY (390A20D4.8) FROM A FUEL SUPPLY MANIFOLD WAS REMOVED AND ROUTED TO OUR INTERNAL OVERHAUL SHOP FOR REPLACEMENT OF THE HOSES. UPON DISASSEMBLY, IT WAS DISCOVERED THAT ONE FITTING (AN212-20D) WAS CORRODED AND CRACKED LONGITUDINALLY ON ONE SIDE WSDR CA021104006Wire · chafed(CAN) PILOT REPORTED THAT BETA LIGHT WAS 'ON' DURING TAKEOFF ATTEMPT, PILOT ABORT TAKEOFF. MAINTENANCE INVESTIGATION FOUND THAT, BETA LIGHT AND THE FEATHER SOLENOID ENERGIZE. FURTHER INVESTIGATION FOUND THAT WIRING WAS CHAFING ON THE RT RADIO RACK AFT OF THE SDR CA020624006Socket · burned(CAN) DURING CLIMBOUT, THE FLIGHT ATTENDANT HAD INFORMED THE CAPTAIN THAT SMOKE WAS EMITTING FROM AN OVERHEAD ISLE LIGHT (NUMBERS 3 AND 4) IN ROWS 4 AND 5. THE OVERHEAD LIGHT SWITCH HAD ALREADY BEEN PLACED IN THE OFF POSITON AT THIS POINT. WHEN THE FLIGHT ATSDR CA020613005Seal · leaking(CAN) THE MAGNETIC STANDY COMPASS WAS FOUND BY THE AIR CREW TO BE LEAKING FLUID ACCOPAMIED BY A STRONG SOLVENT ODOUR. LAB RESULTS REPORTED THE FLUIDTO BE MINERAL SPIRITS CONTAINING AROMATIC HYDROCARBONS, CYCLIC HYDROCARBONS, ISOPARAFFINS AND NORMAL PARAFFINS. SDR CA010822021Fuel Control · malfunctioned(CAN) LOW ENGINE FUEL BOOST PRESS LITE NR 1 ILLUMINATED IN FLIGHT.ALL ENGINE PARAMETERS NORMAL WITH CRUISE POWER SET. POWER WAS REDUCED FOR ANTICIPATION OF ROUGH AIR ON DESCENT.WHEN POWER WAS CALLED FOR AGAIN NONE WAS AVAILABLE. ENGINE SHUT DOWN FOR REST OF SDR CA010726038Insulator · damaged(CAN) FOUND INSULATOR MISSING ON SERVICE CHECK NEW PART INSTALLED. NO OTHER PROBLEM FOUND AND A/C RETURNED TO SERVICE. LT ENGINE REAR SCAVENGE PUMP INSULATOR WAS MISSING IT HAD BEEN REPORTED BY GROUND PEOPLE THAT A PART FALL FROM AIRCRAFT ON APPRAOCH TO LAND ISDR CA010103011Receptacle · shorted(CAN) FOLLOWING TAKEOFF NR1 AND NR2 V.H.F. UNABLE TO TRANSMIT OR RECEIVE. AIRCRAFT LANDED AT AIRPORT. CAPTAINS MICROPHONE JACK REPLACED. SYSTEMS TESTED SERVICEABLE. AIRCRAFT RELEASED FOR FLIGHT WITH NO FURTHER REPORT.SDR CA001020021Tailpipe · broken(CAN) THE FLIGHT CREW OBSERVED A RT ENGINE ZONE 1 FIRE WARNING, THE ENGINE WAS SHUTDOWN AND THE FIRE WARNING WENT OUT PRIOR TO FIRING THE FIRE EXTINGUISHER. RECTIFICATION: THE RT ENGINE TAIL PIPE, UNIVERSAL JOINT P/N 906323-23 REPLACED, SYSTEM TESTED ON GROUNDSDR CA000621035Fitting · crackedTHE WING LOWER SKIN IN AREA OF MLG DRAG LINK FITTINGS IS TO BE INSPECTED EVERY 4000 FLT HRS. IN CASE OF ABOVE AC INSPECTIONS NEVER REVEALED ANY DISCREPANCIES. MLG DRAG LINK FITTINGS (UNDER INSP REQMT OF GENERAL DYNAMICS ALERT SB-57-51) REFERS TO ACCEPTANCE CSDR CA990707061Panel · loose(CAN) SHORTLY AFTER TAKEOFF, THE CREW NOTICED A VIBRATION COMING FROM THE AILERONS AND TRANSMITTED THROUGH THE CONTROL WHEELS. SPEED REDUCED AND RETURNED TO BLOCKS. AILERON PANEL LOOSE, ATTACHED WITH WRONG SCREWS, ALL PANELS CHECKED FOR PROPER SCREWS, SCREWSSDR CA990323030Apu · fod(CAN) APU SURGING. UNIT REMOVED AND INSPECTED. UPON DISMANTLING THE COMBUSTION SECTION, THE NUT HOLDING THE TURBINE BEARING HOUSING TO THE MAIN BODY WAS MISSING. WHEN THE NUT CAME LOOSE IT WAS EJECTED THROUGH THE TURBINE NOZZLE AND WHEEL ASSY CAUSING UNREPAISDR CA990330010Fire Loop · malfunctioned(CAN) NR 1 ENGINE ZONE 1 FIRE LIGHT AND BELL TRIGGERED. POWER LEVERS PULLED BACK WITH NO RESULT. 'E' HANDLED AND MAIN FIRE BOTTLES DEPLOYED. LIGHT STAYED ON, RESERVE BOTTLE FIRED LIGHT ON. THE FIRE LIGHT WHEN OUT ON APPROACH THROUGH 3,000 FEET. INSPECTED SDR CA990318064Nut · missing(CAN) WHEN STARTING APU, A SURGE SOUND COMING FROM THE UNIT. THE COMPLETE UNIT REPLACED. ON TEARDOWN OF THE HOT SECTION, TWO NUTS WERE MISSING. THE LOSS OF THESE NUTS POSSIBLY CAUSED DAMAGE TO THE TURBINE WHEEL AND NOZZLES.SDR CA990310066Frame · cracked(CAN) LEFT DIRECT VISION WINDOW FRAME FOUND CRACKED, FRAME REPLACED.SDR CA981123012Strut · cracked(CAN) NOSE LANDING GEAR CYLINDER FOUND CRACKED IN RETRACT FORK BOSS. INSPECTION CARRIED OUT IN ACCORDANCE WITH GENERAL DYNAMICS SB 640(340D)-32-12A. REPLACED.SDR CA980928009O-Ring · damaged(CAN) DURING CRUISE, THE NR 1 ENGINE EXPERIENCED AN RPM DROP, THE ENGINE WAS SHUT DOWN. AIRCRAFT RETURNED TO POINT OF DEPARTURE. POST-FLIGHT INSPECTION FOUND A FEATHER RESERVOIR OIL TRANSFER O-RING PINCHED. THE O-RING WAS REPLACED AND THE AIRCRAFT RETURNED SDR CA980916028Fire Loop · malfunctioned(CAN) DURING CRUISE, INTERMITTENT ZONE 2 WARNING LIGHT AND BELL (NR 2 ENG). LIGHT CONTROLLED BY REDUCING POWER. HOWEVER, ON DESCENT, LIGHT AND BELL ILLUMINATED STEADY. ENGINE SHUTDOWN AND FIRE BOTTLES FIRED. BOTTLES AND SQUIBS REPLACED. RT ENG ZONE 2 FIRSDR CA980706031Compressor · failed(CAN) DURING APU OPERATION, A LOUD NOISE WAS HEARD BY THE MAINTENANCE CREW. THE MECHANIC RIDING THE BRAKES REALIZED THE NOISE WAS CAUSED BY THE SUDDEN STOPPAGE OF THE APU. AFTER A PRELIMINARY INSPECTION, IT WAS CONFIRMED A COMPRESSOR FAILURE OCCURRED. THERESDR CA980603006Torque Tube · worn(CAN) DURING A ROUTINE COCKPIT UNDER FLOOR INSPECTION, IT WAS FOUND THERE WAS EXCESSIVE WEAR ON THE LEFT POWER BRAKE VALVE TORQUE TUBE. THE WEAR WAS DIFFICULT TO DETECT AS IT WAS HIDDEN BY A PHENOLIC GUIDE BLOCK HOLDING THE LOWER PORTION OF THE TUBE STEADY. SDR CA980608011Bolts · worn(CAN) DURING THE 750 HR FLIGHT CONTROL INSPECTION, IT WAS DISCOVERED THAT 3 OUT OF 6 HINGE BOLTS HOLDING LEFT ELEVATOR TAB IN PLACE WERE SEVERELY WORN. THE ELEVATOR TAB WAS REMOVED AND INSPECTED. HARDWARE WAS REPLACED AS REQUIRED. FURTHER INVESTIGATION IS INSDR CA980430032Seal · pinched(CAN) DURING A SIMULATED EMERGENCY DESCENT THE PILOT DETECTED AN OVERSPEED OF THE NR 1 ENGINE. EMERGENCY PROCEDURES WERE CARRIED OUT AND THE ENGINE WAS SHUTDOWN AND THE PROPELLER FEATHERED. THE TRAINING MISSION WAS ABORTED AND THE AIRCRAFT LANDED. THE OVERSPESDR CA980402018Fitting · cracked(CAN) DURING ROUTINE INSPECTION OF THE TAIL, THE LH FWD UPPER STABILIZER ATTACHMENT FITTING WAS FOUND CRACKED. DEFECTIVE FITTING REPLACED AND NO OTHER FAULTS FOUND. A/C FLOWN AND NO VIBRATION FELT.SDR CA980317045Engine · malfunctioned(CAN) ON CLIMBOUT, LEFT TORQUE WAS 400 HP LOWER THAN RIGHT FOR THE SAME TIT SETTINGS OF 895 DEGREES. AT 7000 FEET LEFT ENGINE DROPPED OFF, NTS''''ING AT 5500 RPM, FUEL FLOW AT 100 PPH. ENGINE RE-LIGHT ATTEMPTED ONCE AT 170 KIAS AND AGAIN AT 200 KIAS UNSUCCESSFSDR CA971021014Element · shorted(CAN) SHORTLY AFTER BEGINNING TAXIING AND PRIOR TO TAKEOFF, THE CAPTAIN REACTED TO A FIRE WARNING FROM ZONE 2 OF THE AIRCRAFT'S NR 2 ENGINE BY SHUTTING THE ENG DOWN AND RELEASING FIRE AGENT IN THE AFFECTED AREA. FIRE ELEMENT WAS FOUND FAULTY AND REPLACED.SDR CA971021013Bearing · failed(CAN) THE ENGINE SUFFERED AN IN-FLIGHTT FAILURE DURING DESCENT. POST-FLIGHT INSP AND INVEST FOUND PRIMARY FAILED ITEM AS TURBINE COUPLING SHAFT. ENGINE AND COMPONENTS SHIPPED TO MFG FOR EVALUATION. MFG DISPUTES ORIG FINDINGS AND STATES THE INITIATING EVENT SDR CA970926014Engine · failed(CAN) LEFT ENGINE NOT PRODUCING POWER IN FLIGHT. ENGINE SHUTDOWN, AND AIRCRAFT RETUNED TO BASE. UPON INITIAL INSPECTION, THERE WAS AN OIL LEAK AND THE PROPELLER HAD A SLIGHT NOSE DOWN TILT.SDR CA970715009Hydraulic Line · ruptured(CAN) DURING CRUISE CHECK, IT WAS OBSERVED THAT HYDRAULIC FLUID WAS NOT VISIBLE IN SIGHT GLASS OF RESERVOIR. SUBSEQUENT MAINTENANCE CHECK REVEALED HYDRAULIC LINE TO PRESSURE SWITCH WAS RUPTURED. HYDRAULIC LINE REPLACED.SDR CA970731008Hydraulic Line · ruptured(CAN) DURING CRUISE, IT WAS OBSERVED THAT HYDRAULIC FLUID WAS NOT VISIBLE IN SIGHT GLASS OF RESERVOIR. FUEL DUMP CARRIED OUT AND AIRCRAFT RETURNED TO DEPARTURE BASE. THE HYDRAULIC LINE TO PRESSURE SWITCH WAS FOUND TO BE RUPTURED. LINE REPLACED.SDR CA970605001Flight Control · severe pitch up(CAN) ON CLIMB, AIRCRAFT PITCHED NOSE UP. AIRCRAFT DIFFICULT TO CONTROL. AIRCRAFT LANDED SAFELY. INVESTIGATION IN PROGRESS TO DETERMINE CAUSE OF SEVERE PITCH UP.
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