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 CA190624017Blanket · damaged(CAN) PILOT REPORTED CABIN FILLED WITH SMOKE AFTER TAKEOFF. ON LANDING, NO DETECTABLE SMOKE IN CABIN. ALL CIRCUIT BREAKERS AND FUSES CHECK, NO DEFECTS NOTED. GROUND RUN CARRIED OUT AND BURNING SMELL FOUND COMING FROM CENTER AREA OF CABIN WITH AIRFRAME DE-ICE OSDR CA190610022Computer · malfunctioned(CAN) AOA FAIL LIGHT CAME ON IN FLIGHT. REPLACED AOA COMPUTER. GROUND CHECKED SERVICEABLE. (TC# 20190610022)SDR CA190604026Clamp · damaged(CAN) #1 ENGINE ZONE 1 FIRE INDICATION SHORTLY AFTER TAKEOFF. FIRE INDICATION CEASED FOLLOWING REDUCTION IN POWER. LOAD ABORTED AND #1 ENGINE EMERGENCY HANDLE ACTIVATED. #1 ENGINE TAILPIPE CLAMP P/N 4215AF18.92 FOUND BROKEN, CAUSING TAILPIPE SEPARATION. #1 ENGSDR CA190527025Starter · malfunctioned(CAN) #1 STARTER OVERSPEED LIGHT ILLUMINATED IN FLIGHT, TRIGGERING MASTER CAUTION LIGHT. #1 STARTER OVERSPEED LIGHT REMAINED ILLUMINATED ON THE GROUND WITH #1 ENGINE STOPPED. #1 STARTER FAILED TO ENGAGE ON SUBSEQUENT START ATTEMPT. #1 STARTER REPLACED, STARTERSDR CA190524027Reduction Gb · making metal(CAN) LEFT HAND ENGINE REDUCTION GEARBOX CHIP PLUG FOUND TO HAVE METAL CONTAMINATION. ENGINE CHANGE COMPLETED. (TC# 20190524027)SDR CA190430030Switch · intermittent(CAN) HI/LOW ENGINE SPEED SELECTOR BUTTON FOR RH ENGINE INTERMITTENTLY SWITCHES FROM LOW TO HI SPEED. SWITCH REPLACED. GROUND FUNCTION CHECKED OK. (TC# 20190430030)SDR CA190430029Bearing · dirty(CAN) E-HANDLE FAILS TO PUSH IN COMPLETELY. ENGINE POWER AND EMERGENCY CONTROL INSTALLATION, RH, FOUND DIRTY AND STIFF TO MOVE. CONTROL INSTALLATION REMOVED, CLEANED, RE-INSTALLED AND FUNCTION CHECKED OK. (TC# 20190430029)SDR CA190430027Spring · failed(CAN) FLAPS FAILED TO RETRACT FROM 40 DEGREE POSITION. CENTERING SPRING FOR EMERGENCY T-HANDLE FOUND TO BE DROOPING AND INTERFERING WITH ELECTRICAL SOLENOID RETRACT MECHANISM. T-HANDLE WITNESS WIRED IN NEUTRAL POSITION TO STOP INTERFERENCE FOR TEMPORARY FIX. SDR CA190430024Hose · leaking(CAN) DURING A-CHECK OF CONVAIR, RH QEC FUEL LINE FROM FUEL FILTER/PUMP ASSY TO FCU IINLET LEAKING FOUND AT FUEL PUMP/FILTER SIDE. HOSE REPLACED. GROUND FUNCTION CHECKED SERVICEABLE. (TC# 20190430024)SDR CA190508004Bushing · loose(CAN) RH MLG WOULD NOT LATCH UP AFTER TAKE-OFF, BUSHING FOUND LOOSE ON EMERGENCY UPLATCH CYLINDER, PREVENTING UPLATCH FROM FULLY RETRACTING. CYLINDER REPLACED, FUNCTION NORMAL. (TC# 20190508004)SDR CA180103010Housing · cracked(CAN) DURING FLT CREW AND MTC WALK AROUND CHECKS, THE AIRCRAFT`S MAIN HYDRAULIC SYSTEM FILTER HOUSING ASSY WAS CRACKED AND HAD FAILED. FILTER HOUSING ASSY LOCATED NEAR AC HYDRAULIC PUMP ASSY. THE MAIN HYDRAULIC SYSTEM FILTER HOUSING ASSY WAS REPLACED AND THESDR CA160216027Bypass Valve · cracked(CAN) AFTER LANDING, THE AIRCRAFT EXPERIENCED A HYDRAULIC SYSTEM BY-PASS VALVE FAILURE. THE FLIGHT CREW ACCOMPLISHED THE APPROPRIATE SHUT DOWN CHECKLIST PROCEDURES WITHOUT FURTHER INCIDENT. THE MAINTENANCE INSPECTION FOUND THE HYDRAULIC BY-PASS VALVE CASING HASDR CA150824004O-Ring · damaged(CAN) A HYD LEAK WAS DISCOVERED ON THE BOMB TANK HYD MANIFOLD. O-RING SEAL WAS DAMAGED AND LEAKING.SDR CA150911008Clamp · failed(CAN) IN FLIGHT, THE NUMBER 1 ENGINE ZONE 1 FIRE WARNING LIGHT ILLUMINATED. THE FLIGHT CREW OPTED TO REDUCE THE POWER LEVER SETTING ON THE NR 1 ENGINE AND THE FIRE WARNING LIGHT EXTINGUISHED. THE FLIGHT CREW CONTINUED ON TO ITS FINAL DESTINATION. THE MAINTENANSDR CA150806006Spring · broken(CAN) FLAP WOULD DO AN UN-COMMANDED TO THE UP POSITION WITH THE FLAP SWITCH IN NEUTRAL POSITION WHEN SELECTED DOWN FLAP WOULD MOVE DOWN. THE FLAP SELECTOR WOULD NOT RETURN TO NEUTRAL POSITION & OVER SHOOT TO THE UP SELECTED POSITION DUE TO A BROKEN SPRING INSISDR CA150804001Coupling · damaged(CAN) WHILE DOING AUTO FEATHER CHECK RT PROPELLER WOULD NOT FEATHER. PROP WOULD FOLLOW POWER LEVER COMMANDS. FEATHER SOLENOID FOUND TO BE THE FAULT. THE COUPLING ASSY OF THE FEATHER SOLENOID CAME UNSCREWED. DUE TO THE FACT THAT IT WAS NO LOCK WIRED COUPLING ASSDR CA150720008Hub · making metal(CAN) DURING AUTO FEATHER CHECK, NR 1 PROPELLER HAD VIBRATION AT LOW SPEED GROUND IDLE WHILE GREASING NR 1 PROPELLER IN ORDER TO RESOLVE VIBRATION. METAL CONTAMINATION WAS FOUND IN PROP HUB GREASE AND PROP REGULATOR FILTER.SDR CA150703014Rod End · broken(CAN) UPON SELECTING GEAR UP ON TAKE-OFF, PILOTS NOTICED A LOUD BANG. ONCE OVER THE FIRE, A BIRDDOG AIRCRAFT CONFIRMED THEIR RT GEAR DOOR FOR THE NOSE GEAR WAS OPEN. AIRCRAFT LANDED AND RH DOOR ACTUATING ROD UPPER ROD END, WAS FOUND BROKEN. A NEW ROD END WAS ISDR CA150630009Switch · failed(CAN) NR 1 ENG FAILS TO AUTO FEATHER. THRUST SENSITIVE SWITCH FOUND TO BE FAILED OPEN. SWITCH REPLACED & GND FUNCTION CHECKED OK.SDR CA150629014Pressure Switch · failed(CAN) LOW PRESS LIGHT ILLUMINATED ON NORMAL SYS BOMB TANK CONTROL HEAD. ISOLATION VALVE FOUND CHATTERING. FAILED LOW PRESS SWITCH, ILLUMINATING LOW PRESS LIGHT.SDR CA150625002Adapter · cracked(CAN) NR 1 ENG DRIVEN HYD PUMP ADAPTER PLATE CRACKED. THE CRACK CAUSED ONE OF FOUR HYD PUMP ATTACH STUDS TO SEPARATE FROM THE MOUNT. HYD PUMP FUNCTION & SECURITY OF ATTACHMENT WAS NOT AFFECTED.SDR CA150619008Flange · cracked(CAN) MAIN GEAR SENT TO SHOP FOR REPAIR. CRACKS ON BOTH LT & RT IB BRAKE FLANGES VISUALLY INDICATED. CRACKS (2) CONFIRMED USING MAGNETIC PARTICLE INSPECT METHOD.SDR CA150610007Yoke · sheared(CAN) C1 DOOR AFT YOKE SHEARED DURING FLIGHT AT FL220, RAPID DECOMPRESSION & EMER DESCENT. NO INJURIES.SDR CA150107009Crosstube · damaged(CAN) DURING ROUTINE INSPECTION A NON-STANDARD REPAIR ON RUDDER PEDAL CROSSOVER WAS IDENTIFIED COUSING CONTACT WITH CASTING AT FULL RUDDER TRAVEL, DUE TO REPAIR DOULER BEING TOO THICK. THIS MADE ATTACH HARDWARE LONGER AND CAUSED THE HARDWARE TO MAKE CONTACT WISDR CA140826029Regulator Valve · broken(CAN) FLUCTUATING POWER SECTION OIL PRESSURE WAS IDENTIFIED DURING UPSHIFT FROM LOW TO HIGH RPM. THE POWER SECTION PRESSURE SCAVENGE PUMP ASSEMBLY WAS REMOVED AND THE POPPET TIP FROM THE PRESSURE REGULATOR VALVE WAS FOUND IN THE RETURN CAVITY OF THE PUMP BLOCKSDR CA140714018Adapter · leaking(CAN) THE AIRCRAFT RETURNED TO BASE AFTER COMPLETING THEIR MISSION AND THE PILOT REPORTED A SMOKY ODOR IN THE COCKPIT. IT WAS NOT AN ELECTRIC BURNING ODOR. THE ODOR WAS TRACKED DOWN TO BE COMING FROM THE HR 2 AC PHASE ADAPTOR. THERE WAS A YELLOW FLUID COMINGSDR CA140522012Wire · broken(CAN) FIRE WARNING TEST DISPLAYED ALL 3 ZONES ON LT & RT ENGINES, NO WARNING HORN DETECTED. WIRE FROM A/C MAIN BUSS BAR, 28 VDC FOUND TO HAVE BREAK. NEW WIRE INSTALLED AND SYSTEM GROUND FUNCTION CHECKED OK.SDR CA140407013Gear · wrong part(CAN) WHILE ATTEMPTING TO RIG A NACELLE VENT DOOR, IT WAS DISCOVERED THAT THE ACTUATOR HAD A DIFFERENT GEAR RATIO THAN IS REQUIRED. INVESTIGATION REVEALED THAT THE ACTUATOR, PN 85891-02, CAME FROM THE MFG WITH DIFFERENT MODEL NUMBERS THAT DENOTE DIFFERENT GEASDR CA130822009Module · inoperative(CAN) NR 1 ENGINE HAS DRAMATIC RPM FLUCTUATIONS IN ALL BUT THE "OFF" SETTING IN THE SYNC SYSTEM.SDR CA130827003Oil System · leaking(CAN) NR 2 ENGINE EMITTING OIL FROM BEARING AREA.SDR CA130815011Actuator · leaking(CAN) NOSE WHEEL STEERING ACTUATOR LEAKING FLUID.SDR CA130803012Fire Detector · chafed(CAN) ON TAXI, CREW EXPERIENCED A NR 1 ENGINE, ZONE 3, FIRE WARNING. THE ENGINE WAS SHUT DOWN AND THE ACFT RETURNED TO THE RAMP. MAINTENANCE DISCOVERED A FIRE LOOP CHAFING ON THE NACELLE VENT DOOR FLEX DRIVE. THE FLEX DRIVE WAS RE-POSITIONED, THE FIRE LOOP RSDR CA130802001Propeller · making metal(CAN) METAL IN PROPELLER, WOULD NOT UNFEATHER.SDR CA130710004Adapter · burned(CAN) SMELT SMOKE IN COCKPIT. CO-PILOTS HSI NAVIAGATION FAILED. ACFT RETURNED TO BASE. TROUBLESHOT AND FOUND CO-PILOTS GYRSON COMPASS NOT WORKING AND FOUND PHASE ADAPTER FRIED. REPLACED PARTS, SYS GROUND CHECKED SERVICABLE.SDR CA130704006Warning Light · malfunctioned(CAN) ON APPROACH, CREW EXPERIENCED THREE GREEN, DOWN AND LOCKED, LIGHTS AS WELL AS THE RED, IN-TRANSIT, LIGHT. CREW ELECTED TO OVERSHOOT AND CYCLE THE GEAR. AFTER THE SECOND EXTENSION OF THE GEAR, THE, IN-TRANSIT, LIGHT EXTINGUISHED AND THE ACFT LANDED. MAISDR CA130702013Window · cracked(CAN) THE CREW REPORTED THAT AFTER TAXI IN TO PARKING, THEY NOTICED A SMALL CRACK IN THE CAPTAIN`S WINDOW OUTER GLASS PANE, WHICH SLOWLY EXTENDED ACROSS THE ENTIRE LENGTH OF THE OUTER PANE. THE ACFT WAS FERRIED TO A MAINTENANCE FACILITY FOR WINDOW REPLACEMENT.SDR CA130709015Inlet · damaged(CAN) DURING A PREFLIGHT INSPECTION THE NR 2 HEATED ENGINE AIR INLET DUCT WAS FOUND TO HAVE HEAT DAMAGE. THE INLET DUCT WAS REPLACED AND THE ACFT WAS RETURNED TO SERVICE.SDR CA130425001Fitting · broken(CAN) MECHANIC FOUND BROKEN LT MLG ACTUATOR FITTING ON WALKAROUND, SERVICE CHECK.SDR CA130412010Wire · chafed(CAN) IN THE MIDDLE OF COMPLETING TASKS FOR THE APPROACH, THE AMBER EXTINGUISHER DISCHARGE LIGHT BECAME STEADILY ILLUMINATED. IN THINKING IT WAS A ZONE FIRE LIGHT, ACTIONS WERE TAKEN TO COMPLETE THE ENGINE FIRE AFTER BSEC MEMORY ITEMS. THE ENGINE WAS SHUTDOWNSDR CA130116016Skin · cracked(CAN) DURING COMPLETION OF A CORROSION INSPECTION ON THE INTERNAL STRUCTURE OF THE WING A 28" CRACK OF THE LOWER WING SKIN WAS DISCOVERED. LOCATED APPROXIMATELY 8" INBD OF RT RIB BS 6. RUNNING FORE AND AFT. 2 PHOTOS ADDED TO THE SDR DEPICTING REPORTED CRACKSDR CA121224001Gearbox · failed(CAN) AT APPROXIMATELY 60 MILES EAST OF AIRPORT, ACFT OPERATING AS NRL950 ON A IFR FLIGHT, REPORTED LOSS OF AN ENGINE AND DECLARED AN EMERGENCY. ARFF RESPONDED AND ACFT LANDED WITHOUT INCIDENT AT 1949Z. SUSPECTED ENGINE GEAR BOX FAILURE, SHOP REPORT TO FOLLSDR CA120822010Clamp · broken(CAN) ON CLIMBOUT, THE CREW HAD A ZONE 1 FIRE INDICATION, THEY THROTTLED BACK AND INDICATION LIGHT WENT OUT. THEY E-HANDLED THE ENGINE, JETTISONED THE LOAD AND RETURNED TO THE AIRPORT. A BROKEN EXHAUST CLAMP WAS FOUND AT THE FWD END OF THE AFT LONG PORTION SDR CA120807007Bearing · failed(CAN) BEARING FAILURE IN ACCESS GEARBOX, FOUND STEEL BEARING BALLS ON MAGNETIC PLUG.SDR CA120706006Solenoid · shorted(CAN) RIGHT PROPELLER SOLENOID CIRCUIT BREAKER TRIPPED. RESET BREAKER RT PROPELLER SOLENOID SHORT INTERNALLY WAS REPLACED ABOUT 30 FLIGHT HRS AGO.SDR CA110915002Bearing · faulty(CAN) ON A RUNNING TEST RUN ENGINE NR 1 LOST HP AND TIT STARTED TO RAPIDLY CLIMB, PILOT E-HANDLE, LANDED WITH NR 1 ENGINE FEATHERED. ON GROUND INSPECTION, THE COMPRESSOR BLADES WERE RUBBING AGAINST THE CASE. SUSPECT FAULTY BEARING.SDR CA110916002Gear · damaged(CAN) LEFT ENGINE SPOOLED DOWN AT TAKEOFF POWER.SDR CA110624002Line · leakingLEAKING HYD FLUID AT BULKHEAD FITTING. TUBE WAS EITHER CRACKED OR THE FLARE WAS BAD.SDR CA110613007Exhaust Duct · separatedNR 2 ENGINE AFT EXHAUST SECTION SEPARATED FROM FWD SECTION.SDR CA110412007Wheel · cracked(CAN) NOSE WHEEL WAS REMOVED DUE TO A SHIMMY. WHEEL ASSY WAS DISASSEMBLED AND PAINT REMOVED TO INCORPORATE GS-SL-46 FOR CORROSION PROTECTION. DURING LPI INSPECTION, CRACKS WERE IDENTIFIED ON BOTH WHEEL HALVES. WHEEL HALVES WERE PLACED IN QUARANTINE.SDR CA110314012Scavenge Pump · failed(CAN) ON SHUTDOWN AFTER NORMAL FLIGHT WITH NO REPORTED PROBLEMS, OIL BEGAN LEAKING FROM AC GENERATOR DRIVE ON LH ENGINE. AC GEN DRIVE SEAL HAD FAILED, BUT THE RGB SCAVENGE SYSTEM HAD ALSO ALLOWED THE ENTIRE OIL TANK TO DRAIN INTO THE RGB. SUSPECTED FAILED SCAV
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