Allison 501-D22A
Service difficulty reports · 231
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 = '501D22A' 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 = '501D22A' 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 CA000224031Ring · debonded(CAN) PROPELLER LOW OIL INDICATION LIGHT OBSERVED. EVENTUALLY, PROP GOVERNOR CONTROL WAS LOST AND SPEED CONTROL REVERTED TO THE TOPPING GOVERNOR. ON ONE BLADE, THE TEFLON RING DISBONDED ALLOWING THE BLADE DOUGHNUT SEAL TO LEAK.SDR CA000224030Spar · cracked(CAN) DURING FUEL LEAK TROUBLESHOOTING, DAMAGE OBSERVED IN RIGHT WING CAVITY. INVESTIGATION REVEALED CRACKING AT REAR SPAR ATTACH POINT OF NR 3 AND NR 4 FLAP TRACKS. INVESTIGATION IS ONGOING. ATTACH BRACKETS 20-518-003 AND 20-518-02 REPLACED. (X)SDR CA991028032Housing · failed(CAN) TORQUE DECAY AND DROPPING RPM EXIBITED. THE GOVERNOR EXIBITED FAILURE AT PROP VALVE HOUSING REMOVAL.SDR AU990416025Bolt · wrong part(AU) PART STSBG013-1 HEX HEAD BOLT FOUND INSTALLED IN THE REAR ENGINE MOUNT. THE BOLT HAD BEEN SUBSTANTIALLY GROUND DOWN OF MATERIAL AFT OF THE THREAD AREA. THE GRINDING HAD BEEN PERFORMED BY A ROTARY DISK AND WAS NOT UNIFORM ON THE CIRCUMFERENCE. PART NR 3SDR LR7A9836Seal · failedNR 2 ENG SHUTDOWN IN FLIGHT DUE TO OIL LOSS STARTER GARLOC SEAL LEAKING. REPLACED STARTER GARLOC SEAL IAW 501-D22 MM 72-0 PG 221. REPLACED SCAVANGE OIL FILTER IAW 501-D22 72-2-5 DUE TO PIN BEING POPPED (BYPASS).SDR LR7A9825Oil Pump · failedNR 4 ENGINE LOW AND DECREASING OIL QUANTITY. PRECAUTIONARY SHUTDOWN. REPLACED TURBINE REAR SCAVANGE OIL PUMP PER 72-2-3 201-204. SERVICED OIL TANK, RUNUP AND LEAK CHECK NORMAL PER 72-2-3 204-205.SDR LR7A9826Diffuser · crackedNR 4 ENGINE LOW AND DECREASING OIL QUANTITY, PRECAUTIONARY SHUTDOWN. INSPECTED NR 4 ENGINE, AIRCRAFT IN SAFE CONDITION FOR INTENDED FERRY FLIGHT TO ANC, 3 ENGINE FERRY. REMOVED QEC, BORESCOPE INSPECTED ENGINE AND SUPSPECT CRACKED DIFFUSER.SDR SRAA98B0107Engine · damagedON LANDING AT MYU FLIGHT 1902, AIRCRAFT LANDED ON ICY SURFACE AND DEPARTED FROM RUNWAY. AIRCRAFT SUSTAINED NR 4 ENGINE AND PROP DAMAGE. DUE TO CONTACT WITH SNOW BANK NR 4 ENGINE FIRE, EXTINGUISHED WITH NR 1 BOTTLE. AIRCRAFT HAS BEEN REMOVED FROM SNOW BANK ASDR LR7A9734Thermostat · failedPRECAUTIONARY SHUTDOWN NR 3 ENGINE AT 0400Z DUE TO HIGH OIL TEMP. FERRIED AIRCRAFT TO ANC, REPLACED NR 3 ENGINE OIL COOLER THERMOSTAT PER LOCKHEED MM CHAPTER 79-20, PAGE 203. GROUND RUNS ACCOMPLISHED, SYSTEM OPERATIONALLY TESTS OK.SDR LR7A9801Thermostat · failedPRECAUTIONARY SHUTDOWN NR 3 ENGINE AT 0400Z DUE TO HIGH OIL TEMP. FERRIED AIRCRAFT TO ANC, REPLACED NR 3 ENGINE OIL COOLER THERMOSTAT PER LOCKHEED MM CHAPTER 79-20, PAGE 203. GROUND RUNS ACCOMPLISHED, SYSTEM OPERATIONALLY TESTS OK.SDR CA971015025Frame · cracked(CAN) 2.5 INCH CRACK FOUND IN BULKHEAD AT BS.968 BL ZERO WL.283. RACK REPAIRED PER SRM.SDR CA970904022Controller · failed(CAN) NR 2 ENG FIRE WARN ILLUMINATED ON APPROACH. IN-FLIGHT SHUTDOWN C/W. INVESTIGATION REVEALED A FIRE DETECTION UNIT HAD FAILED IN THE FIRE POSITION. UNIT REPLACED.SDR SRAA970807Gear Box · decoupledDURING FLIGHT AT FL260 FROM AAB, NR 1 ENGINE HAD LOSS OF TORQUE, TIT INDICATION WENT TO 540 DEG WITH F/F TO 440 LBS AND GENERATOR OUT LIGHT CAME ON. SHUT DOWN NR 1 ENGINE AND LANDED WITHOUT INCIDENT AT RMS. INSPECTED NR 1 ENGINE AND SUSPECT GEARBOX FAILURE, SDR CA970815005Gearbox · contaminated(CAN) IN CRUISE FLIGHT, NR2 CHIP DETECTOR LIGHT ILLUMINATED. LIGHT PULSED OUT BUT RE-ILLUMINATED MINUTES LATER AND WOULD NO LONGER PULSE OUT. PRECAUTIONARY ENGINE SHUT-DOWN WAS CARRIED OUT AND 3 ENGINE LANDING CARRIED OUT. MAINTENANCE FOUND FERROUS PARTICLES OSDR CA970807006Engine · faulty(CAN) SHORTLY AFTER REACHING ALTITUDE, CHIP LIGHT ON NR2 POWER SECTION ILLUMINATED. ATTEMPTS WERE MADE TO "PULSE" LIGHT OUT, BUT IT REMAINED ON. PRECAUIONARY IN-FLIGHT SHUT DOWN WAS CARRIED OUT AND 3 ENGINE LANDING CONDUCTED WITHOUT INCIDENT. POWERPLANT CHANGESDR SRAA970512Turbine Support · crackedDURING POST FLIGHT INSPECTION AT MHZ, FOUND NR 4 ENGINE REAR TURBINE SUPPORT CRACKED. ITEM IS CURRENTLY UNDER INVESTIGATION.SDR SRAA970511Engine · failedFLIGHT 527 REPORTED NR 1 ENGINE CAUSES FUMES FROM BOTH AIR CONDITIONING SYSTEMS WHEN BLEED IS OPEN. REMOVED AND REPLACED NR 1 ENGINE ASSEMBLY PER J/C 7101 AND 7101-2 AND RETURNED TO SERVICE.SDR SRAA970301Engine · defectiveDURING TAXI IN FROM FLIGHT 507 AT MHZ, NOTICED OIL FUMES COMING FROM AIR CONDITIONING SYSTEM, SHUT DOWN AIR CONDITIONING SYSTEM. REPLACED NR 3 ENGINE, PERFORMED ENGINE RUN-UP PER J/C 7101, 7101-2 AND 7103 NO DEFECTS FOUND.SDR CA970226010Skin · damage(CAN) FUSELAGE SKIN FROM STA 737-817OE AND WL 141 TO 190, LH AND RH MODERATE STONE DAMAGE. REPLACED.SDR CA970226011Doubler · cracked(CAN) FUSELAGE STA 880, BL 61L AND WL 207 INBOARD CAP. WEB DOUBLER AND OUTBOARD CAP CRACKED. REPLACED.SDR CA970226012Web · corroded(CAN) FUSELAGE STA 560 TO 517, BL 61 TO 84R AND WL 200, WHEEL WELL WEB HAS PITTING AND CORROSION BEYOND LIMITS. REPAIRED.SDR CA970226013Web · cracked(CAN) FUSELAGE STA 597 TO 560, BL 61 TO 84R AND WL 200 WHEEL WELL WEB CRACKED AT STA 590 - 1.75" AND CORRODED BEYOND LIMITS. REPAIRED.SDR CA970226014Web · cracked(CAN) FUSELAGE STA 597 TO 560, BL61 TO 84L AND WL 200 WHEEL WELL WEB FOUND CRACKED AT STA 575 - 2.75". REPAIRED.SDR CA970226015Skin · puncture(CAN) FUSELAGE STA 902 RH AND WL 202 HAS SMALL PUNCTURE NEAR AN EXISTING REPAIR. EXISTING REPAIR REMOVED AND ENTIRE DAMAGED AREA REPAIRED.SDR CA970226016Web · cracked(CAN) FUSELAGE STA 990, BL 60L AND WL 265 BULKHEAD WEB AND INBOARD CAP CRACKED, REPAIRED.SDR CA970226017Bulkhead · cracked(CAN) FUSELAGE STA 950, BL 60L AND WL 262 BULKHEAD INBOARD CAP CRACKED - 0.75". NEW CAP INSTALLED.SDR CA970226018Frame · cracked(CAN) FUSELAGE STA 836, BL 6L AND R UPPER FRAME CRACKED - 0.5 AT DORSAL FIN ATTACH FASTENER LOCATIONS. REPAIRED.SDR CA970226019Cap · cracked(CAN) FUSELAGE STA 990, BL 60R AND WL 240, BULKHEAD WEB AND INBOARD CAP CRACKED -2.25". REPLACED.SDR CA970226020Web · cracked(CAN) FUSELAGE STA 930, BL 60R AND WL 235, BULKHEAD WEB UPPER END CRACKED - 2.5". REPAIRED.SDR CA970226021Cap · cracked(CAN) FUSELAGE STA 930, BL 60L AND WL 230, BULKHEAD INBOARD CAP CRACKED - 1.5". REPLACED.SDR CA970226022Web · cracked(CAN) FUSELAGE STA 902, BL 60R AND WL 225, BULKHEAD WEB CRACKED - 3.0". REPLACED.SDR CA970226023Ramp Hinge · corroded(CAN) FUSELAGE STA 817OE, BL 31.9L AND R, RAMP HINGE SUPPORTS CORRODED BEYOND LIMITS. REPLACED.SDR CA970226024Web · corroded(CAN) FUSELAGE STA 817OE, BULKHEAD WEBS (3) CORRODED BEYOND LIMITS. REPLACED.SDR CA970226025Upper Cap · cracked(CAN) FUSELAGE STA 817OE, BULKHEAD UPPER CAP CRACKED IN THE RADIUS AND CORRODED BEYOND LIMITS. REPLACED.SDR CA970226026Cap · corroded(CAN) FUSELAGE STA 817OE, BULKHEAD LOWER CAP CORRODED BEYOND LIMITS. REPLACED.SDR CA970226027Fitting · cracked(CAN) FUSELAGE STA 817OE, BL 60L AND WL 146, FLOOR RING BULKHEAD FITTING CRACKED - 1.5". REPLACED.SDR CA970226028Cap · cracked(CAN) FUSELAGE STA 557, BL 58R AND WL 146, CENTRE CHINE CAP CRACKED - 1.0". REPLACED.SDR CA970226029Chine Cap · corroded(CAN) FUSELAGE STA 737 TO 817OE, BL 60R AND WL 146, AFT CHINE CAP CORRODED BEYOND LIMITS. REPLACED.SDR CA970226030Chine Cap · cracked(CAN) CARGO RAMP LH CHINE CAP CRACKED - 1.5", AND CORRODED BEYOND LIMITS. REPLACED.SDR CA970226031Chine Cap · corroded(CAN) CARGO RAMP RH CHINE CAP CORRODED BEYOND LIMITS. REPLACED.SDR CA970226032Web · cracked(CAN) FUSELAGE STA 1040, BL 25R CARGO DOOR BULKHEAD WEB CRACKED IN THREE LOCATIONS. REPLACED.SDR CA970226033Skin · cracked(CAN) CARGO DOOR SKIN CRACKED AT SAFETY VALVE LOCATION. REPAIRED.SDR CA970226034Fitting · cracked(CAN) FUSELAGE STA 617, BL 60R AND WL 146 FITTING CRACKED - 0.25". REPLACED.SDR CA970226035Frame · cracked(CAN) FUSELAGE STA 617, BL 25L, UPPER FRAME CRACKED - 2.75" BETWEEN THREE FASTENERS. REPAIRED.SDR CA970226036Splice · cracked(CAN) FUSELAGE STA 617, BL 20L AND R, LONGERON SPLICE FITTING CRACKED. REPLACED.SDR CA970226037Beam Web · cracked(CAN) FUSELAGE STA 517, AND WL 230, LH VERTICAL LANDING GEAR BEAM WEB AND OUTBOARD CAP CRACKED. REPAIRED.SDR CA970226038Beam · cracked(CAN) FUSELAGE STA 528, L/H VERTICAL LANDING GEAR BEAM OUTBOARD CAP CRACKED AT HORIZONTAL TIE POINT. REPAIRED.SDR CA970226039Beam · cracked(CAN) FUSELAGE STA 597, L/H VERTICAL LANDING GEAR BEAM CRACKED - 1.25", AT VERTICAL LEG CUTOUT. REPLACED.SDR CA970226040Ring · cracked(CAN) FUSELAGE STA 807OE, BL 63L AND WL 160, RING SEGMENT CRACKED - 1.5". REPLACED.SDR CA970226041Spar Web · cracked(CAN) CENTRE WING FORWARD SPAR WEB CRACKED - 0.75" AT C.W.S. 17.5R AND WL 274. REPAIRED.
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