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.

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 Dec 15, 2002 · N1084Y · Bell 206L1 · Main Rotor GearboxSDR N1078C111702Warning Light · illuminatedENGINE CHIP LIGHT CAME-ON IN CRUISE FLIGHT.Nov 17, 2002 · N1078C · Bell 206L1 · Engine Oil Indicating SystemSDR 2002FA0001283Turbine Wheel · mismanufacturedAREA OF WHEEL EXCEEDS MAXIMUM LIMITS. AREA MIN. 4.60, AREA MAX 4.78. AREA OF THIS WHEEL IS 4.80.Nov 6, 2002 · Turbine SectionSDR 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 AOct 11, 2002 · N2025G · Bell 206L1 · Fuel Boost PumpSDR YTRR078431Meter · misrepairedFUEL PRESSURE / LOADMETER WAS OVERHAULED. THE FUEL PRESSURE SIDE FAILED AFTER 1.0 HRS IN SERVICE. THE UNIT WAS RETURNED FOR WARRANTY REPAIR.Apr 10, 2002 · N5750Y · Bell 206L1 · Fuel Pressure SensorSDR 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 OPENov 14, 2001 · N93LF · Bolkms BO105LSA3 · Fuel Transfer ValveSDR CA020405013Case · cracked(CAN) CRACKED ARMPIT ON COMBUSTION CASE.Oct 4, 2001 · Bell 206L1 · Turbine Engine Combustion SectionSDR 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.May 22, 2001 · N104HC · Bell 206L1 · Rotorcraft Servo SystemSDR 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, UFeb 15, 2001 · N25RX · Agusta A109A · Elevator, Spar/RibSDR CA020405010Seal · leaking(CAN) EXCESSIVE FLUID LEAKAGE PAST SEAL.Sep 8, 2000 · Bell 206L1 · Rotorcraft Servo SystemSDR CA020405011Seal · leaking(CAN) EXCESSIVE FLUID LEAKAGE PAST SEALS.Sep 8, 2000 · Bell 206L1 · Rotorcraft Servo SystemSDR CA020405012Seal · leaking(CAN) HYD SERVO HAS EXCESSIVE FLUID LEAKAGE PAST SEALS.Sep 8, 2000 · Bell 206L1 · Rotorcraft Servo SystemSDR 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.May 5, 1999 · N57441 · Bell 206L1 · Turbine GovernorSDR 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.Jun 18, 1998 · N16938 · Bell 206L1 · Turbine SectionSDR 98ZZZX1498Diffuser Vane · defectiveDIFFUSER VANE DEFECT. REPLACED ONE STUD.Feb 13, 1998 · Turbine Engine Compressor SectionSDR 98ZZZX508Gearshaft · wornSPUR ADAPTER GEARSHAFT HAD EXCESSIVE SPLINE WEAR. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Nov 22, 1997 · N202LF · Bolkms BO105LSA3 · Turbine Engine Compressor SectionSDR 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.Nov 16, 1997 · N5012V · Bell 206L1 · Engine (Turbine/Turboprop)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.Nov 16, 1997 · N5742H · Bell 206L1 · Engine (Turbine/Turboprop)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 TEAug 31, 1997 · N3194P · Bell 206L1 · Turbine Engine Oil SystemSDR 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.Sep 4, 1996 · Turbine Section
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