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 EVCA2012090400034Line · crackedAFTER A VISUAL INSPECTION OF THE ECS UNIT, IT WAS DISCOVERED ON ONE OF THE BLEED AIR LINES HAD CRACKED BY A WELDED AREA.SDR QMLA2012082312140Frame · crackedA CRACK WAS FOUND IN FRAME, PN 206-032-308-103 AT STA 205.76. THE CRACK WAS BEHIND THE UPPER LT TAIL BOOM ATTACH FITTING. ONCE THE TAIL BOOM WAS REMOVED THE ENTIRE CRACK COULD BE SEEN.SDR CA120803004Lever · defective(CAN) DURING REPLACEMENT OF FUEL CONTROL LEVER, NEW LEVER FOUND TO HAVE MFG DEFECT. MATERIAL LEFT BEHIND ON INNER DIAMETER OF SERRATIONS DURING MFG PROCESS. MATERIAL DOES NOT ALLOW LEVER TO FULLY SEAT AGAINST SERRATED WASHER. ALL LEVERS PULLED FROM INVENTORYSDR CA120912010Shaft · sheared(CAN) REPORTED THAT THEY HAVE RECEIVED A FUEL PUMP WITH A SHEARED DRIVE SHAFT SPLINES. THIS PUMP WAS INTRODUCED BY CEB 73-3117 AND WAS MEANT TO ELIMINATE THE REQUIREMENT FOR THE RECURRING INSPECTION.SDR CA120911003Bevel Gear · cracked(CAN) MFG RECEIVED A REPORT THAT ACFT, FINDING A CRACKED TRANSMISSION BEVEL GEAR, FOLLOWING AN IN-FLIGHT CHIP LIGHT EVENT REPORT: ACFT WAS OPERATING IN AN OFFSITE LOCATION WHEN THE PILOT RECEIVED THE FIRST CHIP LIGHT, AFTER CHECKING THE CHIP PLUG THEY FELT THSDR CA120911002Strap · degraded(CAN) IT WAS REPORTED THAT ACFT MODIFIED IAW BHT-206-SI-2052 WAS FOLLOWING SEVERAL MONTHS OF TROUBLESHOOTING TO RESOLVE M/R BALANCING ISSUES, HAVE FOUND A TT STRAP, PN 206-011-147-007 ,TO HAVE SIGNS OF DEGRADATION AROUND THE ATTACHMENT BUSHINGS.SDR CA120524013Blade · cracked(CAN) THE TIP CAP ENCLOSURE ON ONE OF THE MAIN ROTOR BLADES WAS FOUND CRACKED. THERE WAS NO EVIDENCE OF DAMAGE TO THE EXTERIOR THAT WOULD HAVE CAUSED IT TO CRACK. IT IS SUSPECT THAT WATER ENTERED, FROZE AND CAUSED IT TO CRACK. MFG PRODUCT SUPPORT WAS CONTACTESDR QMLA2012032212032Transmission · making metalTHE PILOT REPORTED A TRANSMISSION CHIP LIGHT ON APPROACH. THE PILOT OBSERVED NO OTHER ABNORMAL INDICATIONS. THE PILOT LANDED WITHOUT INCIDENT. MECHANIC FOUND METAL PARTICLES ON THE LOWER CHIP DETECTOR TO BE BEYOND LIMITS. ACFT OUT OF SERVICE.SDR CA120109011Seal · leaking(CAN) GARTER SPRING OF SEAL HAD WORN THROUGH THE RUBBER SEAL LIP AND WAS CHAFING INTO THE SPEEDI-SLEEVE. THE CHIP PLUG HAD ACCUMULATED BLACK SLUDGE GREATER THAN NORMAL AND THE COLOR OF THE OIL WAS OFF.SDR CA111209008Check Valve · failed(CAN) PILOT REPORTED LOW FUEL LIGHT ILLUMINATED JUST AFTER LANDING, HE PULLED THE CBS ON THE LT & RT BOOST PUMPS & WITHIN 30 SECONDS THE ENG FLAMED OUT. DURING THE ANNUAL INSPECTION OF THE FUEL SYS IT WAS FOUND THAT THE FWD LT FUEL CELL HAD A REMAINING 5 GALLSDR HEEA2011120632854Bearing · spalledENGINE REMOVED, DUE TO LOW FREQUENCY SOUND IN FLIGHT, IMPELLER TIME. NR 5 BEARING HAS SPALLING AT SPLIT OF OUTER RACE. REPLACED WITH SERVICEABLE PART.SDR CA111012005Output Seal · torn(CAN) UPON RECEIPT OF THE GEARBOX, THE SIGHT GLASS WAS VERY DARK IN COLOR. A BACKLASH CHECK WAS CARRIED OUT AND RECORDED AT .005 (WITHIN LIMITS). THE OUTPUT SHAFT RADIAL PLAY WAS RECORDED AT .003 (OUT OF LIMITS). INPUT/OUTPUT SHAFT ROTATIONS APPEARED TO BE SDR HEEA20110830002Diffuser · separatedENGINE WAS REMOVED DUE TO CYCLED WHEELS. COMPRESSOR DISASSEMBLED DUE TO CRACKED SCROLL. DIFFUSER FOUND TO HAVE SEPARATED PLATE. REPLACED DIFFUSER.SDR CA111109006Compressor · stalled(CAN) DURING A TEST FLIGHT, AFTER THE ENGINE WAS REPAIRED FOR COMPRESSOR STALLS, WE EXPERIENCED ONE MINOR STALL. WE THEN BEGAN TO RETURN TO BASE WHEN THE ENGINE EXPERIENCED A SERIES OF RAPID STALLS, THE TOT INCREASED OVER 900 DEGREES, ENGINE POWER WAS DEGRADSDR ALGAR08231152314Door · corrodedUPON DAILY INSPECTION, FOUND UPPER ENGINE DOOR HAD CORROSION. R & R WITH SERVICABLE UPPER ENGINE BAY DOOR.SDR CA111109005Compressor · stalled(CAN) PILOT REPORTED THE ENGINE ASSY WAS EXPERIENCING MINOR COMPRESSOR STALLS. THIS WOULD OCCUR ON APPROCH TO LANDING, ABOVE 5000 FT. THE COMPRESSOR ASSY WAS REMOVED AND SENT FOR INVESTIGATION.SDR 3HCR20110804001Housing · misrepairedTEARDOWN FOR O/H. INSPECTED. FOUND REPAIR TO MAIN FLOW BODY THAT IS NOT IN CMM 15-673C.SDR CA110727005Housing · faultyFUEL LIGHT CAUTION ILLUMINATED DURING FLIGHT. FILTER REPLACED, LIGHT REMAINED ON. FILTER HEAD AND HOUSING ASSY REPLACED AND LIGHT WENT OUT. FAULTY INDICATION.SDR CA110629003Attach Fitting · crackedUPPER LT (FUSELAGE) TAILBOOM ATTACHMENT FITTING FOUND WITH 1" VERTICAL CRACK THROUGH 1 FASTENER HOLE. FOUND ON DAILY INSP. PART REPLACED WITH NEW FITTING. ACFT MFG RECENTLY INCREASED THE INSP CRITERIA FOR THE ADJACENT TAILBOOM ATTACHMENT FITTING REF: ASB 206SDR CA100527005Engine · power loss(CAN) SHORTLY AFTER TAKEOFF THE ENGINE STARTED TO DECELL DUE TO LACK OF FUEL. THE PILOT CARRIED OUT AN AUTOROTATION ONTO CLEAR FIRM GROUND. THE GAUGE WAS INDICATING 200 LBS AT THE TIME OF THE INCIDENT.SDR RMXA2415Transmission · making metalTRANSMISSION CHIP LIGHT ILLUMINATED DURING FLIGHT. FOUND 2 METAL CHIPS ON LOWER DETECTOR. ALSO, REMOVED FILTER AND OPENED. FOUND METAL INSIDE FILTER. REMOVED TRANSMISSION AND SENT TO APPROVED REPAIR STATION FOR REPAIR.SDR CA110603004Battery · failedDURING ANNUAL ELT PERFORMANCE TEST IT WAS FOUND THAT THE BATTERY VOLTAGE WOULD DROP BELOW MFG MINIMUM SPEC DURING TRANSMIT. UNDER TEST THE BATTERY VOLTAGES DROPPED TO 7.7 V WHILE THE CMM INDICATES 8.0 V AS THE MINIMUM. BATTERY WAS MARKED WITH EXPIRATION DATESDR RMXA20110505001Chip Detector · false activationTRASMISSION CHIP LIGHT ILLUMINATED DURING FLIGHT. TECH CHECKED AND CLEANED TRANSMISSION CHIP PLUG. DRAINED AND SERVICED TRANSMISSION OIL AND CHANGED FILTER. PERFORMED 1 HOUR GROUND RUN. DRAINED OIL AND FOUND NO METAL PARTICALS. SERVICED OIL AND GROUND RUN. ACSDR CA100511001Coupling · failed(CAN) WHEN PERFORMING A ENGINE CHECK RUN, AFTER THE INSTALLATION OF A TURBINE, EXCESSIVE ENGINE GROWLING/HOWLING WAS DETECTED. UPON FURTHER INSPECTION WITH VIBRATION EQUIPMENT A VIBRATION WAS DETECTED IN THE TURBINE ASSY. IN CONTACT WITH THE ENGINE, TURBINE SDR RMXA2186Connector · failedTOT OVERTEMP LIGHT ILLUMINATED WHEN BATTERY TURNED ON. REPAIRED WIRE IN CONNECTOR PLUG.SDR CA110413015Hose · unknown(CAN) PILOT NOTICED THAT WHEN THE FUEL BOOST PUMP CIRCUIT BREAKERS WERE PULLED DURING PREFLIGHT CHECK, THE CAUTION PANEL INDICATION WAS REVERSED, LT BOOST PUMP C/B PULLED, RT CAUTION LIGHT ILLUMINATION & RT BOOST PUMP C/B PULLED, LT CAUTION LIGHT ILLUMINATIONSDR HEEA130833Bearing · spalledENGINE RMEOVED DUE TO HIGH CYCLED WHEELS. UPON INSP OF NR 5 BEARING FOUND SPALLING AT OUTER RACE SPLIT. SCRAPPED PART AND REPLACED WITH NEW.SDR CA110324008Output Seal · leaking(CAN) ON 100HR INSPECTION, FOUND OIL LEAK IN TAIL ROTOR GEARBOX FAIRINGS. AFTER REMOVING OUTPUT SEAL HOUSING, FOUND THE SPRING OF THE SEAL ON THE WEAR SLEEVE, AND WEAR SLEEVE WORN OVER 50 PERCENT THRU. AFTER CALLING REPS AND OTHER COMPANYS WE FOUND THAT THISSDR CA110516025Frame · crackedDURING INSPECTION, FRAME WAS FOUND TO BE CRACKED ALMOST ALL THE WAY ACROSS THE ENTIRE FRAME. THE FRAME ASSY WAS R & R NEW.SDR CA110516026Frame · crackedDURING A PRE-PURCHASE INSPECTION, FRAME WAS FOUND TO BE CRACKED ALL THE WAY ACROSS THE ENTIRE ANGLE AND FLANGE. THE AREA WAS FURTHER INSPECTED AND MORE CRACKS FOUND TO BE PRESENT.SDR CA110516027Skin · crackedDURING A PRE-PURCHASE INSP, THE ABOVE SKIN FOUND TO BE SEVERLY CRACKED. THE SURROUNDING AREA WAS FURTHER INSPECTED AND OTHER DAMAGE WAS FOUND.SDR CA110516028Frame · crackedDURING A PRE-PURCHASE INSP THE ABOVE FRAME ASSY WAS FOUND TO BE CRACKED FROM A RIVET HOLE PROTRUDING TO THE CENTER OF THE FRAME. THE SURROUNDING AREA WAS FURTHER INPECTED AND OTHER DEFECTS NOTED.SDR ALGA030211276ALScroll · crackedON DAILY SERVICE CHECK, MX FOUND ENGINE COMPRESSOR SCROLL CRACKED. R & R ENGINE ASSY.SDR RMXA20110220001Gearbox · failedWHILE IN FLIGHT, PILOT NOTICED SUDDEN VIBRATION IN TAIL ROTOR PEDALS AND CYCLIC. LANDED THE AIRCRAFT AND CALLED TECHNICIAN. TECHNICIAN CHECKED THE TAIL ROTOR AND SURROUNDING AREA. CHECKED TAIL ROTOR GEAR BOX FOR SECURITY AND ALSO THE TAIL ROTOR CHIP DETECTOR ASDR RMXA20110217001Transmission · making metalWHILE DRAINING OIL FROM MAIN TRANSMISSION TO REPLACE THE FREEWHEELING UNIT FOR OVERHAUL,A METALLIC PIECE WAS FOUND AT THE DRAIN PORT. PREVIOUSLY THIS TRANSMISSION HAD CHIP LIGHTS AND THE SERVICEABILITY CHECKS REQUIRED BY THE MANUFACTURES MAINTENANCE MANUAL WESDR CA110221008Scroll · cracked(CAN) CRACK IN COMPRESSOR SCROLL ON THE RT SIDE OFF OF A WELD. APPROXIMATELY 1" IN LENGTH. COMPRESSOR ASSY REMOVED FOR REPAIR.SDR CA110126007Orifice · obstructed(CAN) NOTICED TORQUE INDICATION WAS FLUCTUATING AND GIVING INACCURATE INDICATION. UPON RETURN OF ENGINE GEARBOX TO THE OVERHAUL FACILITY, PARTICULATE WAS FOUND IN THE TORQEMETER ORIFICE. GEARBOX WAS REPAIRED, RETURNED AND RE-INSTALLED. SYSTEM WAS GROUND AND FLSDR CA101220011Fuel Cell · leaking(CAN) . ACFT PARKED STATIC INSIDE HANGER. FUEL LEAKS THROUGH FUEL CELL MATERIAL. REPLACED.SDR CA101220009Nut · seized(CAN) UNABLE TO RELEASE THE NUT THAT RETAIN THE BEARING HOUSING ON THE MAST POLE AFTER EXCESSIVE FORCE WAS APPLIED, 2000 FT/LBS. A PREVIOUS INCIDENT WAS HANDLE BY MFG ON SN 52351 AND BOTH ASSY WERE RETURNED TO LAB FOR INVESTIGATION.SDR CA101220010Nut · seized(CAN) UNABLE TO RELEASE THE NUT THAT RETAINED THE BEARING HOUSING TO THE MAST POLE, EXCESSIVE FORCE APPLIED, 2000 FT/LBS.SDR CA101103007Turbine Blades · damaged(CAN) ON TAKEOFF THE PILOT HEARD SEVERAL LOUD POPS FOLLOWED BY A VIBRATION AND HIGH TOT. THE AIRCRAFT WAS LANDED AND THE ENGINE WAS SHUT DOWN. INITIAL BORE SCOPE INSPECTION HAS REVEALED APPARENT DAMAGE TO THE NUMBER ONE TURBINE BLADES.SDR CA101109012Bearing · noisy(CAN) DURING 100 HR INSPECTION OF T/R DRIVE SHAFT/BLOWER SHAFT BEARINGS, AFT BLOWER SHAFT BEARING FOUND TO BE NOISY. BEARING REMOVED AND INSPECTED AND FOUND TO BE ROUGH. FURTHER INSPECTION REVEALED BEARING HAD BEEN REPLACED NEW AT PREVIOUS 100 HR. BEARING RSDR HEEA129746Bearing · spalledENGINE REMOVED FOR TURBINE O/H. NR5 BEARING EXHIBITED SPALLING ON OUTER RACE AT SPLIT LINE AREA. SCRAPPED PART AND REPLACED WITH NEW.SDR ALGA10182010192ALEngine · unknownIN HOVER, PILOT HEARD "TWO BIG POPS IN THE ENGINE". INSTRUMENTS INDICATED NO PROBLEMS. NO YAW WAS NOTICED. MX REPLACED ENGINE ASSY ALONG WITH ENGINE FUEL SYSTEM. ENGINE QUARANTINED AWAITING TEST CELL RUN AT TIME OF THIS REPORT.SDR CA101009001Pump · leakingPILOT HEARD FUNNY NOISE COMING FROM ENGINE BAY, LANDED AND DISCOVERED HYD LEAK. MX FOUND TRANSMISSION DRIVEN HYD PUMP TO HAVE BLOWN SEAL. PUMP WAS REMOVED, ANOTHER INSTALLED. GROUND RUN LEAK CHECK, FUNCTION CHECK CARRIED OUT AND ACFT RETURNED TO SERVICE.SDR YTRA10265Sprayer · crackedDURING DEPARTURE FROM OFFSHORE PLATFORM PILOT EXPERIENCED A NOISE IN THE ENGINE COMPARTMENT WITH A CORRESPONDING LOSS IN ENGINE POWER. PROCEEDED TO MAKE A PRECAUTIONARY LANDING TO THE WATER.SDR YTRA10258Diffuser · separatedIN CRUISE FLIGHT THE PILOT DESCRIBED A LOUD BANG WHICH COINCIDED WITH A RISE IN TOT AND A DEGRADATION OF ROTOR RPM. THE PILOT MADE A PRECAUTIONARY LANDING IN THE WATER.SDR 2010FA0000899Combustion Liner · crackedFOUND A CRACK IN THE WELD THAT ATTACHES THE SUPPORT (-3 DETAIL) TO THE SUPORT PLATE (-6 DETAIL). THE CRACK EXTENDS ABOUT 25 PERCENT OF THE WAY AROUND THE PART.SDR CA100831016Adapter · fracturedTHE ACFT WAS PREPARING FOR DEPARTURE FROM A FIELD SITE. THE PILOT IN COMMAND INITAITED A HOVER IN GROUND EFFECT AND JUST PRIOR TO ROTATING, THE ENGINE FLAMED OUT WITHOUT WARNING. THE PILOT SUCESSFULLY COMPLEATED A HOVERING AUTOROTATION WITH NO DAMGE TO THE ACSDR YTRA1019601Bolt · missingTHE PILOT WAS UNABLE TO MAKE ANY COLLECTIVE CONTROL SYS INPUTS. ON INSP IT WAS DISCOVERED THAT BOLT PN 20-057-5-20D HAD BECOME DISCONNECTED FROM LINK ASSY PN 206-001-558-103 AND SWASHPLATE LEVER ASSY PN 206-010-447-109.
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