Allison 250-C28
Service difficulty reports · 70
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 = '250C28' 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 = '250C28' 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 ALG2003F00011Bulb · failed12 MINUTES AFTER TAKEOFF, THE PILOT NOTICED TRANSMISSION OIL TEMP FLUCTUATING BETWEEN 60 DEGREES AND 75 DEGREES C, RETURNED TO AIRPORT. THE MECHANIC REMOVED TRANSMISSION TEMP BULB CONNECTOR PLUG AND FOUND IT DIRTY, CLEANED THE CONNECTOR PLUG, IT DID NOT CURE SDR N1078C111702Warning Light · illuminatedENGINE CHIP LIGHT CAME-ON IN CRUISE FLIGHT.SDR 2002FA0001283Turbine Wheel · mismanufacturedAREA OF WHEEL EXCEEDS MAXIMUM LIMITS. AREA MIN. 4.60, AREA MAX 4.78. AREA OF THIS WHEEL IS 4.80.SDR ALG2003F00002Switch · malfunctionedDURING FLIGHT. LEFT BOOST PUMP LIGHT ILLUMINATED IN FLIGHT, PILOT CHECKED AND RESET THE CIRCUIT BREAKER, GENERATOR ON THE BOOST PUMP LIGHT STAYED ON. THE AIRCRAFT WAS DIVERTED. THE MECHANIC REMOVED AND REPLACED BOOST PUMP CARTRIDGE AND THE SWITCH AND THE ASDR YTRR078431Meter · misrepairedFUEL PRESSURE / LOADMETER WAS OVERHAULED. THE FUEL PRESSURE SIDE FAILED AFTER 1.0 HRS IN SERVICE. THE UNIT WAS RETURNED FOR WARRANTY REPAIR.SDR BRM2001F00002Pump · inoperativeINTERUPTION TO FLIGHT SUMMARY, 11/13/2001. ON A FLIGHT, THE LOW LEVEL FUEL LIGHT ILLUMINATED. PRECAUTIONARY LANDING MADE AT THAT TIME. UPON INSPECTION BOTH FUEL PUMPS IN MAIN FUEL TANK FOUND INOPERATIVE. REPLACED FUEL PUMPS WITH 0.0 TSO UNITS, LEAK AND OPESDR CA020405013Case · cracked(CAN) CRACKED ARMPIT ON COMBUSTION CASE.SDR WP012001B2838Plug · crackedRECEIVED SERVO PN 206-076-062-003 SN RH1269 FOR OVERHAUL AND FOUND DURING EVALUATION AFTER DISASSEMBLY PN MS9954-04 PLUG CRACKED UNDER THE HEAD.SDR 20010323CW014Rib · crackedDURING A WIRING REPAIR TO THE LEFT NAVIGATION LIGHT, A CRACK WAS FOUND UNDER THE VIBRATION DAMPER WEIGHT. NO UNUSUAL VIBRATION HAD BEEN REPORTED PRIOR TO THE CRACK BEING DETECTED. A DAILY INSPECTION OF THE SYNCH ELEVATOR WOULD NOT HAVE REVEALED THIS CRACK, USDR CA020405010Seal · leaking(CAN) EXCESSIVE FLUID LEAKAGE PAST SEAL.SDR CA020405011Seal · leaking(CAN) EXCESSIVE FLUID LEAKAGE PAST SEALS.SDR CA020405012Seal · leaking(CAN) HYD SERVO HAS EXCESSIVE FLUID LEAKAGE PAST SEALS.SDR 99ZZZX2017Linear Actuator · malfunctionedIN-FLIGHT RPM DECREASED TO 99 PERCENT. WHEN GOVERNOR INCREASE BUTTON WAS PUSHED, RPM DECREASED TO 96 PERCENT. PRIOR TO LANDING, RPM DECREASED TO 90 PERCENT.SDR 98ZZZX2472Engine · failedDURING TAKEOFF, TOT LIGHT CAME ON. PILOT RETURNED TO OFFSHORE PLATFORM AND MADE AN UNEVENTFUL LANDING. DURING HOT-END INSPECTION, ENGINE COMPONENTS FOUND OUT OF LIMITS. MAINTENANCE REPLACED ENGINE ASSEMBLY.SDR 98ZZZX1498Diffuser Vane · defectiveDIFFUSER VANE DEFECT. REPLACED ONE STUD.SDR 98ZZZX508Gearshaft · wornSPUR ADAPTER GEARSHAFT HAD EXCESSIVE SPLINE WEAR. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 98ZZZX2081Engine · failedIN-FLIGHT, ENGINE OIL PRESSURE AND TORQUE PRESSURE BEGAN TO FLUCTUATE. LANDED ON OFFSHORE PLATFORM WITHOUT INCIDENT. MAINTENANCE FOUND OIL TANK LEVEL SEVERAL QUARTS LOW. REPLACED ENGINE ASSY.SDR 98ZZZX2082Engine · failedIN-FLIGHT, ENGINE OIL PRESSURE AND TORQUE PRESSURE BEGAN TO FLUCTUATE. LANDED ON OFFSHORE PLATFORM WITHOUT INCIDENT. MAINTENANCE FOUND OIL TANK LEVEL SEVERAL QUARTS LOW. REPLACED ENGINE ASSY.SDR EOPA9704Oil Sump · cokedDURING CRUISE FLIGHT, TORQUE BEGAN FLUCTUATING FROM ZERO TO 70 PERCENT. NO YAW OR OTHER ADVERSE CONDITIONS. WITHIN 30 SECONDS, ENGINE OIL PRESSURE DROPPED FROM 115 PSI TO 30 PSI. WHILE LANDING, BOTH READINGS DROPPED TO ZERO. DURING THIS TIME PERIOD, OIL TESDR HEEA967779Nozzle · out of specsRECEIVING INSPECTION REVEALED: MEASUREMENT ON #1 NOZZLE DIMENSION (A) .019 BELOW CEB72-2103R-6 SPECS, (B) .005 BELOW BLUEPRINT SPECS, (C) .012 BELOW BLUEPRINT SPECS.
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