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 ALG2004F00025Bleed Valve · inoperativeWHILE TAKING OFF IN HMA HEARD POP AND AIRCRAFT YAWED, SYMPTOMS OF A COMPRESSOR STALL. LANDED STRAIGHT AHEAD AND HAD TOWER CALL OPS. MAINTENANCE REMOVED BLEED VALVE AND INSTALLED SERVICEABLE BLEED VALVE PN 23073353 SN FF44236. ALL WORK IAW 206L1MM.SDR ALG2004F00026Bleed Valve · inoperativeWHILE TAKING OFF, HEARD POP AND AIRCRAFT YAWED, SYMPTOMS OF A COMPRESSOR STALL. LANDED STRAIGHT AHEAD AND HAD TOWER CALL AIRLOG OPS. MAINTENANCE REMOVED BLEED VALVE AND INSTALLED SERVICEABLE BLEED VALVE (PN 23073353)(SN FF44236). ALL WORK DONE IAW 206L-1MM SDR HEEA095226Engine · stalledCOMPRESSOR STALL WHILE HOVERING FOR TAKE OFF.SDR ALG2004F00021Fuel Nozzle · inoperativeON START UP, UNABLE TO START ENGINE, THE ENGINE FLAMED OUT DURING THE START SEQUENCE. ATTEMPTED THREE STARTS WITH NO SUCCESS. CONTACTED BASE MANAGER AND MAINTENANCE FOR HELP. MAINTENANCE REMOVED AND REPLACED FUEL NOZZLE AND SHIMMED AS REQUIRED, REMOVED AND SDR CA040420005Turbine · cracked(CAN) WHEN INSTALLING A NEW SMOKELESS LINER A CRACK WAS WAS FOUND IN FIRST NOZZLE. TURBINE WAS REPAIRED AT AN ENGINE SHOPSDR CA040407008Brushes · worn(CAN) ON INSPECTION OF THE START/GEN BRUSHES IT WAS DISCOVERED THAT THE REAR BRUSHES WERE SLIGHTLY SHORTER (MORE WORN) THAN THE FORWARD BRUSHES. REPLACED BRUSHES AND INSPECTED AGAIN AFTER 100 HOURS. FOUND THE AFT BRUSHES WITH A MUCH HIGHER DEGREE OF WEAR IN SDR CA040420004Angle · cracked(CAN) A CRACK WAS FOUND IN A 1200 HR INSPECTION. THE PART WAS REPLACED AND TB 206L-87-139 WAS C/W TO STOP MORE DAMAGESDR ALGA093962Gear · spalledFOUND HEAVY SPALLING ON GEAR TEETH.SDR ALGA093964Gear · spalledFOUND HEAVY SPALLING ON GEAR TEETH.SDR CA040310004Longeron · cracked(CAN) DURING SCHEDULED MAINTENANCE THE ENGINEER DETECTED THE ENGINE MOUNT TO BE LOOSE. FURTHER INVESTIGATION INDICATED A CRACKED LONGERON WITH THE ENGINE MOUNT IS ATTACHED.SDR CA040311003Transfer Tube · mismanufactured(CAN) FERRULE UNDER B NUT OF SCAVENGE OIL LINE FROM NR 8 BEARING WAS WRONGLY MANUFACTURED, CAUSING PENDING FRACTURE OF FLANGE. HAS CAUSED 360 DEGREE LINE AROUND THE BASE OF THE FLANGE. TUBE REPLACED, A/C RETURNED TO SERVICE. OIL LOSS AT THIS LOCATION WOULD HSDR 2004FA0000221Governor · failedSUSPECT HIGH END GOVERNOR FAILURE. OVERSPEED OF N2. (SW11200403763)SDR CA031212003Fitting · cracked(CAN) DURING ROUTINE 100 HR INSPECTION TO AIRCRAFT, THE LT UPPER TAILBOOM ATTACHMENT FITTING WAS FOUND CRACKED. CRACK APPEARED TO BE BETWEEN AND EXTENDED BELOW THE TWO FORWARD MOST ATTACHING RIVETS. NO INDICATION OF CRACK WAS NOTED ON PREVIOUS INSPECTION. TAILSDR CA030930010Bolt · stripped(CAN) ON THOMAS COUPLING TORQUE CHECK TWO BOLTS FOUND LOOSE. ON INVESTIGATION OF BOLTS, THREADS FOUND TO BE STRIPPED OFF ON LOWER END. ALL OTHER BOLTS ON FORWARD DRIVESHAFT INSPECTED FOR SERVICEABILITY. BOLT REPLACED NEW AND TORQUED. CAUSE OF DIFFICULT MIGHSDR ALG2003F00083Compressor · stalledAS AIRCRAFT PREPARED TO TAXI FROM A HOVER, AIRCRAFT HAD WHAT WAS TO BE A COMPRESSOR STALL. PUT THE AIRCRAFT BACK ON PARKING PAD AND THE MECHANIC INSPECTED THE INLET AREA AND COMPRESSOR AND FOUND EVIDENCE OF FROG INGESTION. NO VISUAL DAMAGE WAS FOUND, ZOCKED SDR ALGA088266Bearing · galledFOUND THE NR 8 BEARING GALLED ON INNER RACE. REMOVED AND REPLACED WITH SERVICABLE PART.SDR AUS20030903Blade · damaged(AUS) M/R BLADE UPPER SKIN TORN IN AREA LOCATED AT BLADE TIP IMMEDIATELY INBOARD OF TIP CAP. INSP FOUND SKIN HAD LIFTED IMMEDIATELY BEHIND SPAR &TORN IN SPAN WISE DIRECTION FROM TIP TO APPROX 50.8MM INBOARD OF TIP & 25.4MM AFT OF SPAR.SKIN & ADHESIVE HAD SEPARSDR HEEA088069Computer · intermittentINTELLASTAR INTERMITTENT LIGHT. REPLACED WITH SERVICEABLE PART.SDR HEEA088071Torque Sensor · malfunctionedINTELLISTART LIGHT. SHOP REPAIR.SDR HEEA088065Oil Cooler · malfunctionedENGINE TEMPS WERE RUNNING NEAR THE UPPER RED LINE. REPLACED OIL COOLER.SDR VE32003F00000Wire Harness · burnedHELICOPTER WAS BEING GROUND RUN AFTER A MAIN DRIVESHAFT REPACK. THE ENGINE ELECTRICAL HARNESS CAUGHT FIRE. THE FIRE PROPAGATED ABOUT 4 INCHES ALONG THE HARNESS BEFORE IT WAS EXTINGUISHED. THE FIRE WAS SMALL AND CONTAINED TO THE HARNESS ONLY. NO OTHER DAMAGSDR HEEA087968Gearshaft · shearedENGINE WAS REMOVED DUE TO GEAR PROBLEM. STARTER TURNS BUT COMPRESSOR NOT ENGAGED TO STARTER. TEARDOWN INSPECTION REVEALED A SHEARED SHAFT BETWEEN THE FORWARD AND AFT GEARS OF CENTRIFUGAL BREATHER GEAR. PART IS BEING HELD FOR FAILURE ANALYSIS.SDR ALG2003F00097Chip Detector · malfunctionedON DEPARTURE, THE TRANSMISSION CHIP LIGHT FLICKERED TWICE, THE AIRCRAFT WAS RETURNED TO INTRACOASTAL BASE. THE MECHANIC FOUND HAIR LIKE SLIVER ON THE LOWER CHIP PLUG, HE REPLACED THE OIL AND FILTER AND C/W PENALTY RUN AND THE AIRCRAFT WAS RETURNED TO SERVICE.SDR CA030627011Mount · cracked(CAN) DURING A 100 HR INSPECTION, THE ENGINEER PERFORMING A VISUAL INSPECTION OF THE ENGINE MOUNTS FOUND A CRACK ON THE LOWER PORTION OF THE STRUT 1.SDR HEEA087189Valve · intermittentANTI ICE SYSTEM INTERMITTENT. SCRAPPED.SDR HEEA087190Valve · inoperativeVALVE INOPERATIVE. SCRAPPED.SDR HEEA087200Valve · intermittentANTI ICE SYSTEM INTERMITTENT. REPAIRED.SDR HEEA087204Computer · malfunctionedENGINE CONTROL COMPUTER COULD NOT DOWNLOAD SYSTEM.SDR ALGA086422Mount · mismanufacturedFOUND MOUNT PADS HEIGHT DIMENSION UNDER LIMITS.SDR AC2A086463Exhaust Stack · crackedEXHAUST STACK IS CRACKED AT REAR WELD SEAM. REPLACED EXHAUST ASSY.SDR AUS20030529Antenna · faulty(AUS) HOMING SYSTEM CO-AXIAL CABLES SHORT CIRCUITING TO GROUND. ANTENNAS OPEN CIRCUITED.SDR ALG2003F00062Link · inoperativeON POST FLIGHT, THE PILOT FOUND MAIN ROTOR PC LINK SN TY3241 JAM NUT LOOSE, THE MECHANIC REMOVED AND REPLACED THE PC LINK AND HE COMPLIED WITH TRACK AND BALANE AND AUTO ROTATION CHECK.SDR CA030401005Case · broken(CAN) GEARBOX RECEIVED FOR 1500 HOUR INSPECTION. TOP CASE REMOVED AND 10 TEETH FROM INVOLUTE SPLINES WERE BROKEN WHICH IS NOT IN ITSELF AN UNUSUAL OCCURRENCE. WHEN A NEW REPLACEMENT WAS OBTAINED FROM BELL THE LOCKWIRE HOLES FOR THE FILLER CAP AND CHIP PLUG HADSDR CA030613006Case · mismanufactured(CAN) TRANSMISSION RECEIVED FOR 1,500 HOUR INSPECTION. TOP CASE REMOVED AND 10 TEETH FROM THE INVOLUTE SPLINES WERE BROKEN WHICH IS NOT IN ITSELF AN UNUSUAL OCCURRENCE. WHEN A NEW REPLACEMENT WAS OBTAINED FROM BELL THE LOCKWIRE HOLES FOR THE FILLER CAP AND CHISDR ALG2003F00064Tube · disconnectedDURING CONTROL FUNCTION CHECK ON RUN-UP TAIL ROTOR PEDALS FELT WEAK, PILOT SHUT THE AIRCRAFT DOWN AND NOTIFIED MAINTENANCE. THE MECHANIC FOUND TAIL ROTOR CONTROL TUBE IN THE BOX BEAM TO THE BELLCRANK IN HAT RACK AREA NOT CONNECTED, THE MECHANIC RECONNECTED THSDR HEEA085046Combustion Liner · damagedCOMBUSTION CASE HAS STRIPPED THREADS IN IGNITER BOSS. REPAIRED.SDR HEEA085047Governor · failedGOVERNOR WOULD NOT RESPOND TO DROOP COMPENSATION ADJUSTMENTS. SHOP REPAIR.SDR HEEA085048Governor · stiffGOVERNOR HAS A STIFF ARM AND UNABLE TO FREE IT. SHOP REPAIR.SDR HEEA085049Fuel Control · damagedFUEL CONTROL HAS NO ADJUSTMENT LEFT FOR LIGHT OFF. INTERMITTENTLY FAILS TO LIGHT OFF. SHOP REPAIR.SDR HEEA085051Fuel Nozzle · failedFUEL NOZZLE PRODUCING NUMEROUS ABORTED STARTS DUE TO NO LIGHT OFF. SHOP REPAIR.SDR HEEA085052Solenoid Valve · failedWOULD NOT START WITH INTELLISTART SYSTEM ON LINE.SDR HEEA085053Shield · crackedNOZZLE SHIELD CRACKED. IN REPAIR.SDR HEEA085054Combustion Liner · crackedHARD STARTING ON LIGHT OFF, WORN FUEL NOZZLE FERRULE AND LINER CRACKED. IN REPAIR.SDR HEEA084433Filter · weakENGINE OIL FILTER BYPASS INDICATOR WEAK.SDR ALG2003F00027Cyclic Control · out of rigDURING APPROACH, PILOT WROTE (LANDED INTO WIND AND BACK TAXIED WITH TAILWIND TO PARKING, RAN OUT OF AFT CYCLIC, DID A GO-AROUND AFTER CHECKING TO MAKE SURE NOTHING WAS BLOCKING THE CYCLIC, RETURNED FOR A SLOW, SHALLOW APPROACH, SAME THING HAPPENED AGAIN. VISUSDR 2003FA0000100Beam · elongatedNUMEROUS RIVETS WERE FOUND WORKING LOOSE IN THE BOX BEAM DURING A 100/300/ANNUAL INSPECTION. REQUIRED REPLACEMENT OF 20 EACH CHERRY MAXI-BOLTS, 16 EACH CHERRY MAX RIVETS. DIGITAL PICTURES WERE TAKEN TO FURTHER DESCRIBE.SDR CA030124002Union · obstructedDIFFICULTY TO START ENGINE. UNION FITTING OBSTRUCTED WITH METALLIC PARTICLES.SDR HEEA082991Turbine Wheel · damagedENGINE REMOVED DUE TO TURBINE OVERHAUL. UPON INSPECTION OF TURBINE PARTS NOTED SULFIDATION ON ALL 1ST STAGE TURBINE WHEEL BLADES. SCRAPPED WHEEL.SDR HEEA082992Turbine Wheel · damagedENGINE REMOVED DUE TO EXCESSIVE OIL CONSUMPTION. TURBINE WAS REPAIRED DUE TO EXCESSIVE OIL CONSUMPTION AND OIL QUENCHED 1ST STAGE WHEEL. SCRAPPED WHEEL.SDR HEEA082994Nut · mismanufacturedCOMPRESSOR NR 2 BEARING NUT HAS IMPROPER MACHINING OF AFT THREADS.
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