Allison 250-C30
Service difficulty reports · 402
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 = '250C30' 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 = '250C30' 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 2008FA0000337Rod · chafedDURING AN INSPECTION THE THE TAIL ROTOR PITCH CONTROL TUBE SLEEVES, WE DISCOVERED THAT BELLCRANK PN 206-001-763-001 HAD BEEN CHAFED INTO BY THE RIVET SECURING THE ROD END OF ROD ASSEMBLY PN 206-011-725-001. THIS WEAR OCCURS WHEN LEVER ASSEMBLY PN 206-011-722-1SDR 2008FA0000440Rod · chafedDURING AN INSPECTION OF THE TAIL ROTOR PITCH CONTROL TUBE SLEEVES, WE DISCOVERED THAT BELLCRANK PN 206001763001 HAD BEEN CHAFED INTO BY THE RIVET SECURING THE ROD END OF ROD ASSEMBLY PN 206011725001. THIS WEAR OCCURS WHEN LEVER ASSEMBLY PN 206011722105 PIVOT DSDR HEEA119779Blower · malfunctionedIN CRUISE FLIGHT BOTH PILOTS NOTICED STRONG SMELL OF SOMETHING BURNING. BOTH FLIGHT NURSES SMELLED SMOKE. ONE SAID SHE SAW SMOKE COME FROM ABOVE HER HEAD. AIRCRAFT WAS TURNED TOWARD LAKE FRONT. LANDED IMMEDIATELY. AIRCRAFT HAD NO FAILURES OR WARNING LIGHSDR EGI2008F00000Control Tube · shearedPILOT REPORTED TO MAINTENANCE THAT THE ELEVATOR HAD AN EXCESSIVE AMOUNT OF TRAVEL AND THE CYCLIC SEEMED TO BE SLIGHTLY STIFF FORE AND AFT. TROUBLESHOOTING PERFORMED BY MAINTENANCE AND FOUND THE ELEVATOR CONTROL TUBE SHEARED AT THE SHEAR PIN WHICH IS LOCATED ISDR HEEA118059Window · departedSUSPECT TAIL ROTOR BLADE STRIKE CAUSED FROM PASSENGER SLIDING WINDOW EXITING THE AIRCRAFT IN FLIGHT. SUSPECT PASSENGER POSSIBLY DAMAGED WINDOW PRIOR IT DEPARTING AIRCRAFT.SDR 2007FA0001007Skid · damagedUPON LANDING THE HELICOPTER IN A SLIGHT FWD AND LT MOTION IN FLAT GRASS AREA HEARD SLIGHT CLICK OR CLUNK, PIC DIDN`T SEE ANY DAMAGE, PICKED UP AIRCRAFT TO A HOVER AND GROUND CREW SAW FWD END OF LT SKID TUBE HANGING BELOW THE AIRCRAFT. (K)SDR AC2A117834Engine · noisyNOTICED ENGINE WHINE WHICH INCREASED IN LOUDNESS AND PITCH WITH INCREASE OR DECREASE IN POWER. REPORTED TO MAINTENANCE. DEMONSTRATED PROBLEM TO MX & CONFIRMED PROBLEM. MECHANIC NOTICED STARTER GENERATOR MAKING NOISE, CHANGED STARTER GEN. DID NOT CORRECT PROBLSDR AC2A117606Battery · dischargedBATTERY LOW VOLTAGE. REMOVED AND REPLACED BATTERY.SDR HEEA117612Fuel Control · malfunctionedNR 2 ENGINE DECAYED FROM HOVER POWER TO IDLE APPROXIMATELY 60 N1 DURING HOVER. LANDING AND SHUTDOWN UNEVENTFUL. MAINTENANCE REPLACED NR 2 FUEL CONTROL.SDR AC2A117290Transmission · warning lightA FEW MINUTES AFTER DEPARTING SP78B, THE TRANSMISSION CHIP LIGHT BRIEFLY ILLUMINATED AND THEN WENT OUT. COMPLETED A 180 DEGREE TURN TOWARDS SP78B AND THE LIGHT ILLUMINATED AND REMAINED, LANDED AND SHUTDOWN.SDR AC2A117358Hmu · malfunctionedENGINE STARTING HOT.SDR EGI2007F00001Blades · damagedABOUT 2 MINUTES PRIOR TO LANDING, A LARGE SUNSCREEN (3 FT X 4 FT) EXITED THE AIRCRAFT AND STRUCK THE TAIL ROTOR. CAUSING A PRONOUNCED VIBRATION IN THE TAIL ROTOR SYSTEM. THE PILOT SLOWED THE AIRCRAFT AND LANDED SAFETY ON THE RIG WITH OUT FURTHER INCIDENT. TSDR YTRR116570Governor · fluctuatesAIRCRAFT EXPERIENCED TORQUE FLUCTUATIONS OF 10 PERCENT TO 15 PERCENT DURING CRUISE FLIGHT.SDR HEEA115977Link · shearedAFTER DEPARTURE, THE RED GEAR UNSAFE LIGHT STAYED ILLUMINATED WHEN THE GEAR HANDLE WAS PLACED IN THE UP POSITION. MAINTENANCE FOUND THE SHEAR PIN IN ONE EXPLOSIVE LINK SHEARED. REPLACED LINK ASSY.SDR 2007FA0000630Blower · damagedOIL COOLER BLOWER APPEARS TO BE FOD`D OUT. ONE BLADE WAS FOUND ENABLED IN THE HOUSING. THE OUT OF BALANCE SITUATION BROKE ALL (4) BEARING CARRIER LEGS. DAMAGED BLOWER WAS REPLACED AND AC WAS RETURNED TO SERVICE. (K)SDR CA070508002Leg Assy · broken(CAN) ON STARTING A 200HR SCHEDULED INSPECTON FOUND LT ENGINE MOUNT LEG BROKEN IN (2) PIECES AND UPON REMOVAL FOUND SEVERE INTERNAL CORROSION THAT CAUSED THE WALL THICKNESS TO DEGRADE TO THE POINT OF COLLAPSE AND FAILURE. (TC NR 20070508002)SDR FNH2006F00000Governor · malfunctionedENGINE GOVERNOR DROPPED TO BETWEEN 90 PERCENT TO 95 PERCENT N2 IN CRUISE FLIGHT, MADE PRECAUTIONARY LANDING ON BEACH. INSPECTED GOVERNOR LINKAGE, AND PNEUMATIC LINET TO GOVERNOR, TEST FLOWN COULD NOT DUPLICATE DROP, GOVERNOR HAD APPROXIMATELY 4 HOURS TSO. SUSDR 2006FA0001036Support · crackedCRACK FOUND AT TAIL ROTOR GEARBOX AFT LT MOUNTING HOLE ON TAILBOOM CASTING. REPLACED GEARBOX SUPPORT CASTING.SDR CA060726003Freewheel Unit · making metal(CAN) AFTER INSTALLING A OVERHAULED FREEWHEEL, METAL WAS FOUND FOUR SEPARATE TIME IN 61.1 HOURS, SILVER FLAKES FOUND ON CHIP PLUG. (TC NR 20060726003)SDR CA060802001Freewheel Unit · making metal(CAN) AFTER INSTALLING A OVERHAULED FREEWHEEL, METAL WAS FOUND (4) SEPARATE TIMES IN 61.1 HOURS, SILVER FLAKES FOUND ON CHIP PLUG. (TC NR 20060802001)SDR YTRR109182Window · unbondedGUIDE TRACK FOR SLIDING WINDOW UNBONDED FROM WINDOW ASSEMBLY.SDR HEEA109165Proximity Switch · out of adjustAFTER TAKEOFF RAISED THE LANDING GEAR LEVER. THE THREE GREEN LIGHTS REMAINED ON AND THE RED UNLOCKED LIGHT REMAINED ON. MAINTENANCE ADJUSTED THE NOSE GEAR PROXIMITY SWITCH.SDR YHH2006F00000Cap · failedANTI TORQUE FAILURE RESULTING IN HARD LANDING AND SUDDEN STOPPAGE ON MAIN ROTOR BLADES AS A RESULT OF CONTACTING THE GROUND. (K)SDR CA060420002Bulkhead · crackedWHILE PERFORMING 100 HR INSPECTION OF THE ATTACHMENT HOLES FOR TAILBOOM FOUND A CRACK ORIGINATING FROM UPPER RIGHT HOLE. CRACK WAS 1 INCH IN LENGTH. BULKHEAD WAS REPLACED.SDR 2006FA0000716Extinguisher · explodedA NEW 1.25 LB EXTINGUISHER MODEL 344, SN W-968052 CLASSIFICATION 2-B; C WAS INSTALLED IN THE AIRCRAFT ON MARCH 6, 2006. IT WAS REMOVED OVERNIGHT AND REINSTALLED AT 8:50 AM ON MARCH 7, 2006. AS THE HELICOPTER WAS STARTING, THE END EXPLODED OUT OF THE EXTINGUISDR CA060224003Fuel Control · failedON A TWO MINUTE COOL DOWN AFTER ONE HOUR FLIGHT, THE ENGINE STARTED TO SURGE, THE PILOT SHUTDOWN THE ENGINE AND AFTER A MOMENT TRIED A RESTART BUT IT WOULD NOT LIGHT-OFF. THE ENGINEER FOUND NO FUEL WOULD COME OUT OF FCU. FCU WAS REPLACED.SDR HEEA107965Engine · failedENCOUNTERED LARGE TORQUE SPLIT ON CLIMBOUT FROM HMA BP ENROUTE TO MC778 THUNDER HORSE. USING CHECKLIST DIAGNOSED #2 ENGINE HIGH SIDE FAILURE. RETURNED AND LANDED UNEVENTFULLY AT HMA PHI.SDR U0GA107915Fire Warning · illuminatedNR 2 ENGINE FIRE WARNING AND LIGHTS ON, FIRE T-HANDLE ILLUMINATED IN FLIGHT. EMERGENCY CHECKLIST FOLLOWED AND SINGLE ENGINE LANDING PERFORMED. INVESTIGATION REVEALED NO EVIDENCE OF FIRE, AND THE FIRE WARNING REMAINED ILLUMINATED WITH AIRCRAFT ON THE GROUND SDR HEEA107923Starter Gen · failedTHE ESS BUSS LOW CAUTION LIGHT ILLUMINATED DURING CRUISE FLIGHT. PERFORMED EMERGENCY PROCEDURE, LANDED AT LAFAYETTE. MAINTENANCE REPLACED THE #1 STARTER GENERATOR.SDR CA051122002Web · crackedWHILE PERFORMING A 1200 HR INSPECTION ON THE VERTICAL TUNNEL AND BOXBEAM A CRACK WAS NOTICED ON THE RIGHT VERTICAL WEB\SKIN AND THE VERTICAL ANGLE STIFFENER INSIDE THE TUNNEL. THIS AREA HAD BEEN REPAIRED PREVIOUSLY IN 1996 BY ANOTHER REPAIR STATION. THIS ARESDR CA050920005Pump · worn(CAN) PUMP SPLINES INSPECTED DURING ROUTINE 1200 HOUR INSPECTION AND FOUND SPLINE TEETH WORN. THERE IS NO SET INSPECTION TIME CALLED UP IN THE MFG MM AND REPORTS FROM OTHER OPERATORS INDICATE THAT THIS SPLINE SHOULD BE INSPECTED APROX. EVERY 600 HOURS.SDR ALGA105864Nut · crackedCRACK INDICATION, REPLACED AS REQUIRED.SDR 2005FA0001132Bearing · vibrationLT COLLECTIVE LEVER SUPPORT BEARING FAILED CAUSING MAIN ROTOR VERT VIBRATION AND LOWER COLLECTIVE LEVER IDLER ELASTROMERIC BEARINGS TO FAIL AND SOME WERE IN MAIN TRANSMISSION UPPER LUGS/ATTACHMENT POINT TO WEAR. DISCUSSED WITH MFG PAODUCT SUPPORT.SDR EVC2005F00000Engine · failedENGINE CAUTION WARNING CHIP DETECTOR LIGHT ILLUMINATED IN FLIGHT. CHIP DETECTOR WAS REMOVED AND NO SIGNIFICANT CHIP WAS FOUND. REINSERTED CHIP PLUG AND RAN AIRCRAFT LIGHT ILLUMINATED AGAIN. MAINTENANCE FOUND EXTENSIVE METAL ON BOTH UPPER AND LOWER ENGINE CHSDR CA050804004Fitting · cracked(CAN) A CRACK STARTED AT THE TOP OF THE FITTING AND TRAVELED VERTICALLY THROUGH A RIVET HOLE TO APPROXIMATELY .1250 INCH BELOW IT.SDR ALG2005F00041Engine · oil consumptionDURING HOT REFUELING AT BASE, THE PILOT WAS INFORMED THAT SMOKE COMING FROM THE EXHAUST STACK, HE SHUT THE AIRCRAFT DOWN. POST INSPECTION REVEALED THAT ENGINE OIL LEVEL WAS LOW (TWO LEVEL MARKS). THE MECHANIC REMOVED AND REPLACED THE ENGINE ASSY AND THE AIRCSDR ALG2005F00045Door · unsecureUPON ARRIVAL, DURING PASSENGER UNLOADING, ONE OF THE PASSENGERS PULLED THE RED EMERGENCY DOOR RELEASE AND JETTISON THE RT PASSENGER DOOR. WHEN THE COPILOT ATTEMPTED TO CLOSE THE DOOR, HE NOTICED THAT THE DOOR WAS LOOSE AND NOT SECURED. AC WAS SHUTDOWN AND OPSDR ALG2005F00042Igniter · inoperativeDURING START, THE ENGINE FLAMED OUT. SECOND ATTEMPT WAS UNSUCCESSFUL. UPON INSPECTION, THE MECHANIC REMOVED AND REPLACED THE IGNITER PLUG AND THE AC WAS RETURNED TO SERVICE. (K)SDR ALG2005F00044Amplifier · malfunctionedPRIOR TO TAKEOFF THE PILOT NOTICED NR 1 ENGINE FIRE LIGHT AND TONE ACTIVATED. AFTER SHUTDOWN, PASSENGERS WERE EVACUATED AND THE PILOT AND COPILOT VISUALLY CHECKED ENGINE COMPARTMENTS, NO SIGN OF FIRE WAS DETECTED. MAINTENANCE WAS NOTIFIED. TROUBLESHOOTING RSDR ALG2005F00043Chip Detector · malfunctionedIN CRUISE FLIGHT, THE T/R CHIP/HOT CAUTION LIGHT CAME ON, PILOT FOLLOWED EMERGENCY CHECK LIST AND LANDED. THE MECHANIC CLEANED AND INSPECTED THE CHIP PLUG AND COMPLIED WITH PENALTY RUN IAW MM AND AIRCRAFT WAS RETURNED TO SERVICE. (K)SDR ALGA104484Turbine Wheel · damagedWHEEL ASSY RAN ON TEST CELL WITH TURBINE ASSY S/N CAT-90323 FOUND TO HAVE HEAVY N1 RUB AT SHUT DOWN FROM 25-28 SEAL BOAR WARP. DISASSEMBLED TO REPAIR FOUND NR 2 WHEEL TO HAVE RAW BLADE TIP. ENDS ARE NOT ROUND AND HAVE DEEP INDENTIONS CAUSING SLAG ON TOP OF BLASDR ALGA104483Turbine Wheel · crackedWHEEL ASSY WAS RUN ON TEST CELL WITH TURBINE ASSY S/N CAT-90323, FOUND TO HAVE HEAVY N1 RUB AT SHUT DOWN FROM 25-28 SEAL BOAR WARP. DIASSEMBLE TO REPAIR, FOUND WHEEL TO HAVE CRACKS IN COATING ON TE AND RAW END ON LE OF BLADE. FOUND BLADE TIP ARE NOT ROUND. / SDR ALGA104485Spline Adapter · damagedINTERNAL SPLINES OVER MAX SPECS. / REPLACED WITH NEW PARTSDR ALGA104358Bearing · wornBEARING AXIAL PLAY BEYOND MAX. INSTALLED NEW BEARINGS AND SLEEVES BY O/H SHOP.SDR ALGA104359Sleeve · wornBEARING AXIAL PLAY BEYOND MAX. INSTALLED NEW BEARINGS AND SLEEVES BY O/H SHOPSDR ALGA104357Sleeve · wornBEARING AXIAL PLAY BEYOND MAX. INSTALLED NEW BEARINGS AND SLEEVES BY O/H SHOP.SDR ALGA104360Bearing · wornBEARING AXIAL PLAY BEYOND MAX. INSTALLED NEW BEARINGS AND SLEEVES BY O/H SHOP.SDR EGRA2005212Actuator · frozenAIRCRAFT WAS LIFTED TO HOVER PRIOR TO FLIGHT. CONTROL INPUTS SEEMED SLUGGISH AS IF AFCS WAS OFF. AIRCRAFT WAS IMMEDIATELY LANDED, AFCS SYSTEM WAS CONFIRMED ON. FUNCTION CHECK PERFORMED AND ALL AFCS CHANNELS NOTED TO BE EITHER SLUGGISH OR INOP. HEAT WAS APSDR CA041001006Detector · leaking(CAN) WHILE RESEARCHING ASB 206L-04-132, FOUND LOW FUEL DETECTOR SEEPING. DRAINED FUEL SYSTEM TO CHECK LOW LEVEL INDICATOR OPERATIONS AND QUANTITY. LOW FUEL LIGHT FOUND DISCONNECTED. UPON CONNECTING, LOW FUEL LIGHT WOULD NOT GO OUT AFTER 110LBS FUEL ADDED TO TSDR ALGA097278Housing · peelingBLUE EPOXY COATING PEELING. REPLACED W/SERVICEABLE HOUSING BY OVERHAUL SHOP.
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