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.

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.Sep 1, 2012 · N61AE · Bell 206L1 · Pneumatic Distribution SystemSDR 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.Aug 23, 2012 · N94CH · Bell 206L4 · Rotorcraft Tail BoomSDR 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 INVENTORYJul 31, 2012 · Bell 206L4 · Fuel Control/Turbine EnginesSDR 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.Jul 20, 2012 · Bell 206L4 · Engine Fuel PumpSDR 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 THJun 23, 2012 · Bell 206L4 · Main Rotor GearboxSDR 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.Jun 18, 2012 · Bell 206L3 · Main Rotor HeadSDR 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 CONTACTEMay 18, 2012 · Bell 206L1 · Main Rotor BladesSDR 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.Mar 22, 2012 · N94CH · Bell 206L4 · Main Rotor GearboxSDR 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.Dec 19, 2011 · Bell 206L4 · Tail Rotor Drive ShaftSDR 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 GALLDec 8, 2011 · Bell 206L1 · Engine Fuel DistributionSDR 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.Dec 6, 2011 · N219PH · Bell 206L3 · Turbine SectionSDR 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 Oct 11, 2011 · Bell 206L4 · Tail Rotor GearboxSDR HEEA20110830002Diffuser · separatedENGINE WAS REMOVED DUE TO CYCLED WHEELS. COMPRESSOR DISASSEMBLED DUE TO CRACKED SCROLL. DIFFUSER FOUND TO HAVE SEPARATED PLATE. REPLACED DIFFUSER.Aug 30, 2011 · N206FS · Bell 206L3 · Turbine Engine Compressor SectionSDR 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 DEGRADAug 26, 2011 · Bell 206L1 · Turbine Engine Compressor SectionSDR ALGAR08231152314Door · corrodedUPON DAILY INSPECTION, FOUND UPPER ENGINE DOOR HAD CORROSION. R & R WITH SERVICABLE UPPER ENGINE BAY DOOR.Aug 21, 2011 · N279AL · Bell 206L4 · DoorsSDR 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.Aug 21, 2011 · Bell 206L1 · Turbine Engine Compressor SectionSDR 3HCR20110804001Housing · misrepairedTEARDOWN FOR O/H. INSPECTED. FOUND REPAIR TO MAIN FLOW BODY THAT IS NOT IN CMM 15-673C.Aug 4, 2011 · Fuel Control/Turbine EnginesSDR CA110727005Housing · faultyFUEL LIGHT CAUTION ILLUMINATED DURING FLIGHT. FILTER REPLACED, LIGHT REMAINED ON. FILTER HEAD AND HOUSING ASSY REPLACED AND LIGHT WENT OUT. FAULTY INDICATION.Jul 26, 2011 · Bell 206L1 · Aircraft Fuel Filter/StrainerSDR 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 206Jun 26, 2011 · Bell 206L3 · Rotorcraft Tail BoomSDR 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.May 20, 2011 · Bell 206L1 · Engine (Turbine/Turboprop)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.May 19, 2011 · N95CH · Bell 206L4 · Main Rotor GearboxSDR 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 DATEMay 17, 2011 · Bell 206L1 · Emergency Locator BeaconSDR 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. ACMay 5, 2011 · N95CH · Bell 206L4 · Main Rotor GearboxSDR 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 May 3, 2011 · Bell 206L1 · Turbine SectionSDR RMXA2186Connector · failedTOT OVERTEMP LIGHT ILLUMINATED WHEN BATTERY TURNED ON. REPAIRED WIRE IN CONNECTOR PLUG.Apr 29, 2011 · N93CH · Bell 206L3 · Engine Indicating System WiringSDR 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 ILLUMINATIONApr 6, 2011 · Bell 206L4 · Fuel Boost PumpSDR 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.Mar 18, 2011 · N6610C · Bell 206L3 · Turbine SectionSDR 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 THISMar 14, 2011 · Bell 206L4 · Tail Rotor GearboxSDR CA110516025Frame · crackedDURING INSPECTION, FRAME WAS FOUND TO BE CRACKED ALMOST ALL THE WAY ACROSS THE ENTIRE FRAME. THE FRAME ASSY WAS R & R NEW.Mar 10, 2011 · Bell 206L1 · Fuselage Main, FrameSDR 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.Mar 10, 2011 · Bell 206L1 · Fuselage Main, FrameSDR 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.Mar 10, 2011 · Bell 206L1 · Fuselage Main, Plate/SkinSDR 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.Mar 10, 2011 · Bell 206L1 · Fuselage Main, FrameSDR ALGA030211276ALScroll · crackedON DAILY SERVICE CHECK, MX FOUND ENGINE COMPRESSOR SCROLL CRACKED. R & R ENGINE ASSY.Mar 2, 2011 · N276AL · Bell 206L4 · Turbine Engine Compressor SectionSDR 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 AFeb 20, 2011 · N94CH · Bell 206L4 · Tail Rotor GearboxSDR 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 WEFeb 17, 2011 · N206AZ · Bell 206L3 · Main Rotor GearboxSDR CA110221008Scroll · cracked(CAN) CRACK IN COMPRESSOR SCROLL ON THE RT SIDE OFF OF A WELD. APPROXIMATELY 1" IN LENGTH. COMPRESSOR ASSY REMOVED FOR REPAIR.Feb 16, 2011 · Bell 206L1 · Turbine Engine Compressor SectionSDR 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 FLJan 23, 2011 · Bell 206L1 · Engine/Transmission CouplingSDR CA101220011Fuel Cell · leaking(CAN) . ACFT PARKED STATIC INSIDE HANGER. FUEL LEAKS THROUGH FUEL CELL MATERIAL. REPLACED.Dec 20, 2010 · Bell 206L4 · Fuel StorageSDR 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.Dec 6, 2010 · Bell 206L4 · Main Rotor Mast/SwashplateSDR CA101220010Nut · seized(CAN) UNABLE TO RELEASE THE NUT THAT RETAINED THE BEARING HOUSING TO THE MAST POLE, EXCESSIVE FORCE APPLIED, 2000 FT/LBS.Dec 6, 2010 · Bell 206L4 · Main Rotor Mast/SwashplateSDR 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.Nov 1, 2010 · Bell 206L1 · Turbine SectionSDR 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 ROct 28, 2010 · Bell 206L3 · Tail Rotor Drive ShaftSDR HEEA129746Bearing · spalledENGINE REMOVED FOR TURBINE O/H. NR5 BEARING EXHIBITED SPALLING ON OUTER RACE AT SPLIT LINE AREA. SCRAPPED PART AND REPLACED WITH NEW.Oct 22, 2010 · N62127 · Bell 206L4 · Turbine SectionSDR 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.Oct 18, 2010 · N192AL · Bell 206L4 · Engine (Turbine/Turboprop)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.Sep 23, 2010 · Bell 206L1 · Hydraulic Pump (Electric/Engine), MainSDR 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.Sep 14, 2010 · N385RL · Bell 206L4 · Fuel Injector NozzleSDR 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.Sep 1, 2010 · N371RL · Bell 206L4 · Turbine Engine Compressor SectionSDR 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.Aug 19, 2010 · Turbine Engine Combustion SectionSDR 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 ACAug 1, 2010 · Bell 206L1 · Turbine Engine Compressor SectionSDR 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.Jul 12, 2010 · N523RL · Bell 206L4 · Main Rotor Control
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