Allison 250-C30P
Service difficulty reports · 646
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 = '250C30P' 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 = '250C30P' 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 CA020530014Wire · broken(CAN) DURING INSPECTION OF BATTERY COMPARTMENT, THE POSITIVE BATTERY WIRE AT THE SOLONOID WAS FOUND BROKEN.SDR CA020530015Wire · broken(CAN) DURING VISUAL INSPECTION OF THE AIRCRAFT, THE POSITIVE LEAD CONNECTING TO THE BATTERY SOLONOID WAS FOUND TO BE VERY LOOSE. UPON CLOSER INSPECTION HALF OF THE STRANDED BATTERY WIRE WAS BROKEN.SDR HEEA078505Seal · failedENGINE REMOVED DUE TO EXCESSIVE OIL CONSUMPTION. TURBINE WAS REPAIRED DUE TO EXCESSIVE OIL CONSUMPTION AND OIL QUENCHED 1ST STAGE WHEEL. GEARBOX SCAVENGE CHECKED OK. REPLACED 35-37 SEAL P/N 23031494. PART SCRAPPED.SDR HEEA078507Carbon Seal · wornCOMPRESSOR CARBON SEAL HAS WORN TANGS AND SLOTS.SDR ALG2002F00058Shroud · defectiveDURING TESTING OF NOZZLE, WHEN NOZZLE WAS TORN DOWN FOR REPAIR, FOUND UNSERVICEABLE. NEW SHROUD FROM STOCK WAS DEFECTIVE FROM FACTORY. TRIED TO REASSEMBLED SHROUD AND PARTS WOULD NOT PROPERLY FIT.SDR ALG2002F00056Nozzle · bentDURING TESTING OF NOZZLE. FOUND ORIFACE BENT CAUSING STREAKS IN SPRAY.SDR ALG2002F00030Gear · roughUPON VISUAL INSPECTION OF PARTS. T/M GEAR HAS ROUGH GEAR TEETH EDGES AT RADIUS CAUSING LIGHT GALLING ON PINION GEAR. PTO GEAR ALSO HAS ROUGH EDGES AT RADIUS. ASSURE PROPER MATERIAL, MACHINING AND MESHING OF GEAR TEETH AT FACTORY.SDR ALG2002F00046Gear · spalledUPON DISASSEMBLY OF GEARBOX. SPALLING AND GALLING ON GEAR TEETH DUE TO IMPROPER MESHING OF TEETH. ASSURE PROPER MESHING OF GEAR TEETH.SDR CA020129006Pump · galled(CAN) DURING REINSTALLATION OF ENGINE BY OPERATOR. ENGINE HAD NO OIL PRESSURE: OPERATOR NOTED UNUSUAL NOISE HEARD COMING FROM GEARBOX WHEN N1 GEAR TRAIN SPUN. GEARBOX RETURNED FOR REPAIR. UPON INSPECTION FUEL CONTROL / OIL PUMP FLEXIBLE COUPLING SHAFT FOUNDSDR AUS20020165Fcu · faulty(AUS) FUEL CONTROL UNIT FAULTY. FCU HAD JUST BEEN FITTED BUT GAVE CONTINUAL HOT STARTS.SDR CA020206004Compressor · failed(CAN) ON CROSS-COUNTRY PATROL FLT PILOT NOTICED THAT HE HAD TO REFUEL A/C AT LOCATION FROM WHICH HE NORMALLY HAD SUFFICIENT FUEL TO CONTINUE ON NEXT LEG. HE THEN NOTICED UNUSUALLY HIGH FUEL CONSUMPTION ON RETURN FLT TO HOME B ASE. PILOT HAD MANY HRS FLYING SSDR CA020320004Gearbox · seized(CAN) DURING START N1 WAS LOST AT 55 PERCENT N1 TROUBLESHOOTING FOUND N1 TACH DRIVE SEIZED. INSPECTION OF GEARBOX BY STANDARD AERO REVEALED OIL PUMP SEIZED. ENGINE HAD JUST BEEN REINSTALLED AFTER REPAIRS TO OIL PUMP IN GEARBOX. ENGINE HAD BEEN RUN ON TEST STANSDR HEEA077554Turbine Wheel · failedENGINE WAS REMOVED DUE TO WHISTLING SOUND AT HOVER AND GRINDING ROAR ON COOL DOWN. UPON INSPECTION OF TURBINE PARTS NOTED NR 1 WHEEL BLADE FAILURE WITH 1/8 INCH OF BLADE REMAINING FROM BLADE ROOT LEADING EDGE. BLADE TIPS EXHIBIT TIP DRAG AND FOD DAMAGE. NR 2SDR ALG2001F00030Blade · corrodedTURBINE RECEIVED FOR TIME CHANGE ON 3RD AND 4TH STAGE WHEEL RETIREMENT. TURBINE HAD A MFG LINER INSTALLED. REMOVED COMBUSTION SECTION AND FOUND SULFIDATION ON 1ST STAGE WHEEL BLADES. CHECK 1ST STAGE WHEELS FOR PROPER COATING.(K)SDR HEEA076588Indicator · malfunctionedDID NOT FUNCTION PROPERLY. NEEDLE SLOW TO REACT AND HANGS UP AT APPROX. 10 PERCENT. REPLACED WITH SERVICEABLE PART.SDR HEEA075479Turbine Wheel · damagedENGINE REMOVED DUE TO 2000 HOUR INSPECTION. UPON INSPECTION OF TURIBNE PARTS NOTED SULFIDATION ON LEADING EDGE OF NR 1 WHEEL BLADES. SCRAPPED AND REPLACED WITH SERVICEABLE PART.SDR HEEA075480Liner · damagedTORQUE OSCILLATIONS ABOVE 80%.SDR HEEA075481Mount · damagedBEARING UNSTAKED. REPLACED WITH SERVICEABLE PART.SDR HEEA075549Bleed Valve · malfunctionedENGINE T.O.T. RUNNING HIGHER THAN NORMAL. REPLACED WITH SERVICEABLE PART.SDR HEEA075550Bleed Valve · malfunctionedENGINE T.O.T. RUNNING HIGHER THAN NORMAL. REPLACED WITH SERVICEABLE PART.SDR CA020517007Screw · shorted(CAN) ON ACTIVATION OF LANDING LIGHTS, CIRCUIT BREAKER TRIPPED. CIRCUIT BREAKER WAS RESET AND LIGHTS ACTIVATED AGAIN. CIRCUIT BREAKER AGAIN TRIPPED. ON INVESTIGATION OF DEFECT, LT LANDING LIGHT RELAY FOUND TO BE SHORTED OUT BECAUSE OF CONTACT FROM SCREW HOLDINSDR 2001F00577Blade · corrodedDURING DISASSEMBLY TO REPAIR FOR LOW POWER, SULPHIDATION ON FRONT SIDES OF BLADES. (M)SDR 2001F00602Turbine Blades · corrodedDURING DISASSEMBLY TO REPAIR FOR LOW POWER. SULPHADATION ON FRONT SIDES OF BLADES. HAVE WHEELS TESTED FOR PROPER COATING. (M)SDR 2001FA0000301Spring · defectiveTHE FUEL CONTROL OVERCENTER SPRING IS SO STRONG THAT IS WILL RUN THE RPM AND TOUQUE UP UNCOMMANDED. THIS TIME IT CAUSED AN OVER TORQUE OF 115 PERCENT FOR 1 SECOND.SDR AUS20010788Longeron · cracked(AUS) FUSELAGE UPPER FORWARD LONGERON CRACKED.SDR AUS20010789Angle · cracked(AUS) FUSELAGE ANGLE CRACKED.SDR ALG2001F00015Landing Gear · malfunctionedAFTER TAKEOFF, THE LANDING GEAR FAILED TO RETRACT. PERFORMED FUNCTION CHECK OF THE LANDING GEAR AND COULD NOT DUPLICATE. THE LANDING GEAR WAS EXTENDED AND RETRACTED APPROXIMATELY 13 TIMES AND FUNCTIONED NORMALLY.SDR AUS20010650Longeron · cracked(AUS) FUSELAGE LONGERON CRACKED BETWEEN TWO RIVETS.SDR AUS20010594Bulkhead · cracked(AUS) TAILBOOM BULKHEAD CRACKED ALONG THE BEND RADIUS OUTER CIRCUMFERENCE AT THE TOP RH BOLT ATTACHMENT INTERCOSTAL. CRACKLENGTH 10MM (0.393IN).SDR AUS20010593Support · cracked(AUS) HORIZONTAL STABILISER UPPER LH SUPPORT CRACKED LONGITUDINALLY ALONG BEND RADIUS. CRACK LENGTH 30MM (1.181IN).SDR CA010724033Switch · missing(CAN) WHILE IN CRUISE FLIGHT ALL EXPERIENCED A NO HEAT CONDITION. ON INSPECTION, FOR SWITCH WAS REMOVED AND RUDDER PAD ON THE END OF THE PLUNGER WAS FANNED DEBONDED & LODGED IN ORIFICE CAUSING HEATER NOT TO WORK.SDR ALG2001F00013Gear · corrodedUPON REMOVAL FROM BOX AND VISUAL INSPECTION, FOUND CORROSION PITTING ON GEAR SURFACE, GEAR TEETH, AND BEARING JOURNAL. C/W BLACK OXIDE PROCEDURE AT FACTORY BEFORE RELEASING PART.SDR AUS20010472Seal · corroded(AUS) COMPRESSOR REAR DIFFUSER LABYRINTH SEAL EXCESSIVELY CORRODED.SDR HEEA072653Filter · leakingCOULD NOT GET FACET FILTER TO STOP LEAKING.SDR HEEA072654Filter · leakingUNABLE TO STOP FILTER HOUSING FROM LEAKING. SENT TO PUROLATOR FACETS FOR INSPECTION AND REPAIR.SDR HEEA072567Governor · malfunctionedN2 SLOW TO RECOVER AFTER POWER CHANGES. GOVERNOR RESPONDED POORLY ON TEST BENCH. SLOPE RESPONDED SLOWLY. CLEANED INTERIOR AND UNIT TESTED OK.SDR HEEA072463Fuel Control · leakingFUEL LEAKING FROM AROUND BYPASS COVER. DURING OVERHAUL FOUND EXCESSIVE CORROSION AND PITTING AROUND BYPASS COVER AND BORE. THIS CONDITION WILL CAUSE LEAKING FROM THE BYPASS COVER. REPLACED COMPLETE MAIN FLOW BODY ASSY. UNIT TESTED SATISFACTORY.SDR CA001218003Pump · failed(CAN) THIS ENGINE DRIVEN FUEL PUMP FAILED DURING AN ATTEMPTED START ON THE GROUND.FAILURE DUE TO INTERNAL DRIVE FAILURE - PUMP NOT DISASSEMBLED. CAN BE HELD FOR PICK UP OR RETURNED TO MANUFACTURER T.C. CASE PLEASE REFER TO ALERT CEB A73-3091.PLEASE REFER TO ADSDR CA010625049Pump · broken(CAN) THIS ENGINE DRIVE FUEL FAILED DURING AN ATTEMPTED START ON THE GROUND. FAILURE DUE TO INTERNAL DRIVE - PUMP NOT DISASSEMBLED. CAN BE HEAD FOR PICK UP OR RETURNED TO MANUFACTURER. PLEASE REFER TO ALERTCEB A73-3091. PLEASE REFER TO ADDITIONAL ENCLOSED INFOSDR 20001113SH007B-Nut · looseAIRCRAFT WAS LEVEL FLIGHT WHEN ENGINE DECELERATED AND QUIT. PRELIMINARY INSPECTION FOUND PC LINE B-NUT AT FUEL CONTROL LOOSE. LINE WAS REMOVED, INSPECTED, AND RE-INSTALLED. ENGINE GROUND RUN. (X)SDR AU000746Hose · failed(AUS) HYDRAULIC HOSE LOCATED BETWEEN HYDRAULIC PUMP AND FILTER ASSEMBLY FAILED. (X)SDR 20000907SH017Line · brokenWHEN TROUBLESHOOTING THE ENGINE ANTI-ICE SYSTEM, FOUND THE AIR LINE BETWEEN THE SOLENOID VALVE AND AIR VALVE HAD A BROKEN FLARE AT THE AIR VALVE END. THE BROKEN PIECE OF THE FLARE CAME OFF WHEN THE AIR LINE B-NUT WAS REMOVED. 7,879.4 HOURS ACTT. (X)SDR AC2A0000084Exhaust Pipe · crackedEXHAUST ASSY IS CRACKED. REPLACED WITH NEW PART. (X)SDR AC2A0000059Meter · erodedERODED AT THE METER SET CAUSING STREAKING AND VOIDS IN THE SPRAY PATTERN. (X)SDR AC2A0000055Metering Valve · erodedPART IS ERODED AT THE METER SET CAUSING STREAKING. REPLACED THE METER SET. (X)SDR CA001013020Gauge · failed(CAN) THIS GAUGE DID NOT INDICATE PROPERLY FROM THE INITIAL INSTALLATION AND DURING THE REPLACEMENT THE NEEDLE CAME OFF.SDR CA000719028Blade · failed(CAN) DURING DISMANTLING OF THE TURBINE, THE 1ST STAGE WHEEL HAD SUFFERED A SINGLE BLADE FAILURE. AFTER THE FAILURE, THE BLADE DAMAGED THE REMAINING COMPONENTS DOWNSTREAM CRACK ORIGINATION SITE APPEARS TO BE ON LOWER LEADING EDGE OF BLADE. 2ND STAGE EXTEX NOZSDR CA001013011Check Valve · failed(CAN) C-GLMV UNDERGOING AFTER FUEL SYS MAINT CHECK, (2 MIN AT 100 PERCENT NR WITH BOOST PUMPS OFF) WHEN IT FLAMED OUT. A/C HAD BEEN RUNNING FOR APPROX. 10 MIN W/O INCID. PRIOR TO PULLING PUMPS. A/C THEN BLED & RESTARTED & RUN AT 100% FOR 20 MIN. BOOST PUMPS WSDR HEEA065850Bearing · failedENGINE REMOVED DUE TO TURBINE WHEEL RETIREMENT. GEARBOX REPAIRED DUE TO CEBA72-3217R-2.SDR HEEA065851Bearing · failedENGINE REMOVED DUE TO TURBINE WHEEL RETIREMENT. GEARBOX REPAIRED DUE TO CEBA72-3217R-2. SERIAL NUMBERS REMOVED ARE MP04047 AND MP04048. REPLACED WITH SERIAL NUMBERS JJ02742 AND JJ02782.
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