Allison 250-C20R
Service difficulty reports · 111
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 = '250C20R' 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 = '250C20R' 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 CA010507008Oil Cap · loose(CAN) LOCKING PINS IN TRANSMISSION OIL FILTER CAP ASSEMBLY CAME LOOSE AND FELL OUT OF TRANSMISSION OIL FILLER CAP ASSEMBLY. REPLACED WITH NEW OIL FILTER CAP ASSEMBLYSDR CA010510003Tube · cracked(CAN) CRACK WAS VISIBLE TO NAKED EYE EMINATING FROM LOWER INSERT FAYING SURFACE AND EXTENDING VERTICALLY UPWARD 0.4 INCHES. SOME CORROSION PRESENT. REPLACED BOTH PITCH LINK ASSEMBLY WITH LINK ASSY P/N 206-010-360-005. SUSPECT THEY ARE ORIGINAL WHICH MEANS 14,0SDR AU010296Transmitter · faulty(AUS) ENGINE TORQUE TRANSMITTER FAULTY.SDR CA010219007Tube · leaking(CAN) PILOT REPORTED INCREASED START TEMPERATURE. ON RUN-UP IT WAS DISCOVERED THAT THE LARGE AIR LINE BETWEEN THE ENGINE COMPRESSOR AND THE FIREWALL WAS LEAKING AIR FROM THE FLEXIBLE BRAID SECTION. ENGINE WAS SHUT DOWN AND THE LINE WAS REPLACED. THE LEAK IS NOSDR CA000920005Turbine · carboned(CAN) DURING FLIGHT, A LOSS OF OIL PRESSURE AND TORQUE INDICATION WAS NOTED. AN IMMEDIATE LANDING WAS PERFORMED AND THE ENGINE WAS SECURED. THE ENGINE OIL LEVEL WAS CHECKED AND IT WAS THEN DISCOVERED THAT THE ENGINE OIL TANK WAS ENPTY. THE PILOT STATEDSDR CA000809004Governor · failed(CAN) WHILE IN A HOVER, 100 FT AGL, PILOT NOTICED N2, N2 SPEED BETWEEN 100 - 113 PERCENT. PILOT LANDED ROTORCRAFT WITHOUT FURTHER INCIDENT. GOVERNOR REPLACED.SDR CA000803006Chip Detector · missing(CAN) DURING DAILY INSPECTION, IT WAS NOTICED THAT A PIN WAS NOT IN THE CHIP DETECTOR HOUSING ASSEMBLY. UPON REMOVAL IT WAS FOUND THAT 2 OF THE 3 PINS WHICH HOLD THE CHIP DETECTOR IN PLACE WERE MISSING. PINS COULD NOT BE FOUND. CHIP DETECTOR ASSEMBLY WAS RESDR AU000537Heat Shield · cracked(AUS) ENGINE FIRST STAGE NOZZLE HEAT SHIELD CRACKED. FOUND DURING INSPECTION IAW ALERT BULLETIN CEBA-72-4075. (X)SDR CA000310009Spline Adapter · loose(CAN) DURING ENGINE POWER CHECK, IT WAS NOTED THAT BOTH N2 AND NR SPEEDS DROPPED BELOW NORMAL. ENGINE ALSO OVERSPEED ABOVE NORMAL WHILE LOWERING COLLECTIVE. GOVERNOR REMOVED AND LOOSE SPLINES WERE FOUND WHERE ENGAGING INTO ENGINE GEARBOX. SOME SPLINE PARTS SDR 2000ZZZX661Governor · failedGOVERNOR FAILURE, UNIT BECOMES ERRATIC IN OPERATION. WILL NOT HOLD ENGINE RPM. SUBMITTER STATED EXPERIENCED THREE SUCH FAILURES THIS YEAR ON FLEET. (X)SDR CA991210096Sump · deformed(CAN) SUMP SEAT DEFORMED NOT ALLOWING CRUSH WASHER TO FOR A SEAL.
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