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.

SDR ALGA201203220011Piston · erodedSERVO LOCKED UP 4 TIMES ON FUNCTIONAL CHECK ON HYD BENCH. FOUND PLASMA COATING BROKE OFF SYS 1 AND 2 PISTONS. PLASMA WAS FOUND IN BOTH SYS BYPASS SPOOL, SLEEVES, AND PRIMARY CONTROL VALVES.Mar 22, 2012 · N519AL · Skrsky S76A · Rotorcraft Flight ControlSDR EOPA20120315363Flex Hose · mismanufacturedOIL LINE BETWEEN TRANSMISSION AND FREE WHEEL UNIT WAS IMPROPERLY CLAMPED CAUSING THE HOSE TO CONTACT THE DIVESHAFT. DURING INSTALLATION OF THE NEW HOSE ASSY IT WAS NOTED THAT THE PN CALLED OUT FOR IN THE DRAWINGS AND THE MFG PARTS MANUAL IS APPROX 1 INCH TO SMar 15, 2012 · N363AL · Bell 206L3 · Turbine Engine Oil SystemSDR ALGA201202101201Mount · crackedFOUND CRACKS OF FWD FLANGE THROUGH BOLT HOLES OF COMPRESSOR MOUNT.Feb 10, 2012 · N69AL · Bell 206L4 · Turbine Engine Compressor SectionSDR ALGAR201201300058Cover · debondedFOUND PADDLE "A" TIP WEIGHT COVER DEBONDED AND MOISTURE INGRESS IN WEIGHT POCKET.Jan 30, 2012 · N519AL · Skrsky S76A · Tail Rotor Drive ShaftSDR ALGAR5496122711Scroll · crackedCRACKED COMPRESSOR SCROLL.Dec 27, 2011 · N522AL · Skrsky S76A · Turbine Engine Compressor SectionSDR HEEA20111028360Frame · corrodedTHE RT INNER/OUTER FRAMES ON THE AFT LOWER SHELL WERE FOUND TO BE CORRODED. THE AFT LOWER SHELL WILL THEN BE REPAIRED IAW THE FAA-APPROVED REPAIR DATA.Oct 28, 2011 · N54641 · Bell 206L3 · Fuselage Main, FrameSDR ALGAR102711A6103Blade · corrodedSCRAPPED BLADE DUE TO DEBONDED DOUBLER AND CORROSION.Oct 26, 2011 · N177AL · Bell 206L4 · Main Rotor BladesSDR 3HCR20110927001Fuel Control · failedAIRCRAFT FAILED TO LIGHT OFF. INSPECTED AND FOUND CUT-OFF UNSERVICABLE.Sep 27, 2011 · N361AL · Bell 206L3 · Fuel Control/Turbine EnginesSDR 3HCR20110927002Shaft · crackedUNIT FAILED TO LIGHT OFF. INSPECTED AND FOUND TORSION SHAFT LEAKING.Sep 27, 2011 · N361AL · Bell 206L3 · Fuel Control/Turbine EnginesSDR 3HCR20110902001Fuel Control · failedFUEL CONTROL BENCH CHECKED. FOUND CUT-OFF IMPROPERLY WORKING DURING TEST.Sep 2, 2011 · Fuel Control/Turbine EnginesSDR ALGAR841195234Vent · obstructedEXCESSIVE OIL CONSUMPTION. UPON INSP, FOUND NR5 LAB SEAL VENT TUBE BLOCKED WITH CARBON.Aug 4, 2011 · N265AL · Bell 206L4 · Turbine Engine Oil SystemSDR ALGA062011709ALEngine · power lossON APPROACH NR 2 ENGINE LOST POWER AND WENT HOT, THEY TRIED TO MAKE A GO AROUND. THEY HAD TO LAND DUE TO THE A/C MAKING NOISES. ACFT LANDED SAFELY.Jun 16, 2011 · N709AL · Skrsky S76A · Engine (Turbine/Turboprop)SDR EOPA060711360ALOil Tank · crackedCRACK IN TOP OF OIL TANK NEAR OIL RETURN FITTING.Jun 7, 2011 · N360AL · Bell 206L3 · Turbine Engine Oil SystemSDR AC2R64905232011Thermostat · malfunctionedPILOTS NOTICED NR 1 ENGINE OIL TEMP GAUGE ABOVE 110+. NO OTHER INDICATIONS WERE OBSERVED AT THIS TIME. REDUCED NR1 ENGINE TO FLIGHT IDLE AND INFORMED PAX OF SITUATION AND RETURNED TO BASE. REPLACED NR 1 ENGINE OIL THERMOSTAT.May 23, 2011 · N72649 · Skrsky S76A · Turbine Engine Oil SystemSDR EVCAJH031811Structure · corrodedCORROSION FOUND IN THE LOWER TUB UNDER THE FUEL TRANSFER TUBE.Mar 15, 2011 · N233AE · Bell 206L3 · Fuselage Miscellaneous StructureSDR EVCA00015Frame · crackedMECHANIC FOUND CRACK ON THE STA 155, BULKHEAD FRAME DURING A ROUTINE INSP.Mar 11, 2011 · N293AE · Bell 206L3 · Fuselage Main, BulkheadSDR ALGA11411FF44223Cover · mismanufacturedBLEED VALVE COVER, BLEED PORT NOT COMPLETELY DRILLED THROUGH. (NEW PART FROM MFG)Jan 14, 2011 · N522AL · Skrsky S76A · Compressor Bleed ValveSDR AC2A649010711Gearbox · making metalON OUR INBOUND LEG ABOUT 10 MINS OUT OF LANDING, TRANSMISSION CHIP LIGHT ILLUMINATED. FOLLOWING THE EMERGENCY CHECKLIST, SLOWED DOWN AND PULLED THE MGB CHIP DET CB, RESET IT AND THE LIGHT STAYED ON. THERE WAS NO RISE OR FALL IN OIL PRESSURE. LANDED AS SOON AS Jan 7, 2011 · N72649 · Skrsky S76A · Main Rotor GearboxSDR ALGA12151052057Box Beam · crackedBOX BEAM ASSY WAS FOUND CRACKED AT TIME OF REFURB INSP. DAMAGE FOUND WHERE CTR POST AND BEAM ASSY CONNECT.Dec 15, 2010 · N182AL · Bell 206L4 · Fuselage Miscellaneous StructureSDR EOPA111410358ALFrame · crackedFRAME FOUND TO HAVE 1.5 INCH CRACK.Nov 14, 2010 · N358AL · Bell 206L3 · Fuselage Main, FrameSDR EVCA00008Clevis Bolt · damagedPILOT REPORTED VIBRATION TO MECHANIC. MECHANIC INVESTIGATED AND FOUND PLAY IN RED LOWER PITCH CHANGE LINK CLEVIS. UPON DISASSY, MECHANIC FOUND BOLT AND CLEVIS SEVERLY DAMAGED. MECHANIC R & R BOLT AND CLEVIS.Sep 30, 2010 · N281AE · Bell 206L3 · Rotorcraft Flight ControlSDR YTRA1020301Attach Fitting · crackedDURING ROUTINE INSP, FOUND UPPER LT TAILBOOM ATTACH FITTING CRACKED. REMOVED CRACKED TAILBOOM ATTACH FITTING AND INSTALLED NEW FITTING.Jun 23, 2010 · N414LV · Bell 206L4 · Rotorcraft Tail BoomSDR 2010FA0000514Tach Generator · malfunctionedHYD PRESSURE FAILURE IN FLIGHT, ACCOMPANIED BY LOSS OF ROTOR TACH NEEDLE (WENT TO ZERO) AND LOW ROTOR RPM CAUTION LIGHT ILLUMINATION.May 24, 2010 · N116TV · Bell 206L3 · Main Rotor Indicating SystemSDR EVCA00005Fitting · crackedUPPER LT ATTACHMENT FITTING FOUND CRACKED DURING INSPECTION OF TAILBOOM. UPPER LT ATTACHMENT FITTING IAW ASB 206L-09-158. UPPER LT ATTACHMENT FITTING R & R.May 7, 2010 · N4338D · Bell 206L3 · Rotorcraft Tail BoomSDR EVCA731DASupport · crackedDURING A ROUTINE INSP, MECHANIC FOUND RT (PILOT) SUPPORT ASSY CRACKED. SUPPORT ASSY REMOVED AND REPLACED.Mar 12, 2010 · N117AE · Bell 206L1 · Main Rotor ControlSDR ALGA030310709ALConnector · shortedIN CRUISE FLIGHT, NR 2 ENGINE FIRE T-HANDLE ILLUMINATED WITH AUDIBLE TONE. MX REPLACED NR 2 ENGINE FLAME DETECTOR AND CONNECTOR.Mar 3, 2010 · N709AL · Skrsky S76A · Fire Protection System WiringSDR ALGA0111105694Mount · crackedFWD FLANGE ON COMPRESSOR REAR MOUNT CRACKED.Jan 11, 2010 · N278AL · Bell 206L4 · Engine Air Intake SystemSDR 2009FA0000961Fuel Control · unserviceableCOMPONENT HAS A HISTORY OF CAUSING ENG TO MOMENTARILY DECELERATE AS THROTTLE IS ADVANCED PAST THE IDLE STOP TO FLIGHT. DECELERATION CAN BE OVERCOME BY CONTINUING TO ADVANCE THROTTLE THROUGH THE DECELERATION. ONCE THROUGH DECELERATION A MAXIMUM OF ONLY 90 PERNov 18, 2009 · N870SF · Bell 230 · Fuel Control/Turbine EnginesSDR ALGA111309895436Fireshield · mismanufacturedCOULD NOT FIT VERTICAL FIRESHIELD ON ENG GEARBOX. ALL FIRESHIELD MOUNT PADS WELDED OFF CENTER.Nov 13, 2009 · N279AL · Bell 206L4 · Engine (Turbine/Turboprop)SDR CA090606001Elt · cracked(CAN) SENT IN ELT FOR IT`S ANNUAL RECERTIFICATION. REMOVABLE COVER WAS BROKEN OUT AND THE MAIN CASE WAS CRACKED IN SEVERAL LOCATIONS. THIS UNIT HAND NOT BEEN DROPPED OR TAMPERED WITH. IT APPEARS THAT THE CASE HAS BEEN WEAKED BY UV LIGHT (AS WAS TOLD TO ME) ANJun 5, 2009 · Hughes 369FF · Emergency Locator BeaconSDR B4S2009F00000Attach Fitting · crackedDURING THE 100 HOUR INSPECTION, WHILE COMPLETING STEP 13A OF THE AFT FUSELAGE/TAILBOOM AREA SECTION OF 05-11, THE UPPER LT ATTACH FITTING WAS SUSPECTED OF BEING CRACKED. THE PAINT WAS REMOVED FROM THE FITTING AND THE AREA SUBJECTED TO DYE-PENETRANT INSPECTIOMay 29, 2009 · N3209G · Bell 206L3 · Rotorcraft Tail BoomSDR 2009FA0000313Pump · failedLOSS OF HYDR POWER WHILE IN FLIGHT. ALSO ROTOR TACH WENT TO ZERO. LOW ROTOR CAUTION LIGHT CAME ON AND HORN SOUNDED.Apr 17, 2009 · N116TV · Bell 206L3 · Hydraulic Pump (Electric/Engine), MainSDR AC2A2009032781235Landing Gear · malfunctionedHAD UNSAFE LANDING GEAR INDICATION AFTER PLACING LANDING GEAR LEVER DOWN. RECYCLED GEAR LEVER SEVERAL TIMES, SAME INDICATION, NO LT MAIN GEAR LIGHT WITH A RED UNSAFE LIGHT. FOLLOWED EMERGENCY PROCEDURE CHECKLIST AND RETURNED TO BASE.Mar 27, 2009 · N7266K · Skrsky S76A · Main Landing GearSDR P4YA2009032500001Support Bracket · crackedWHILE PERFORMING A FLIGHT CONTROL CHECK, PILOT PUSHED ON BOTH RUDDER PEDALS FIRMLY AND THE PEDAL BRACKET SUPPORT BROKE.Mar 25, 2009 · N971BW · Hughes 369FF · Fuselage Miscellaneous StructureSDR AC2A2009031781075Indicator · malfunctionedAFTER TAKEOFF, PLACED LANDING GEAR CONTROL LEVER UP, THE 3 GREEN LIGHTS EXTINGUISHED, BUT THE RED UNSAFE LIGHT REMAINED ON. WHILE THE ACFT WAS BEING SLOWED, IAW THE EMERGENCY PROCEDURES CHECKLIST.Mar 17, 2009 · N72649 · Skrsky S76A · Landing Gear Position and WarningSDR U0GA2009031381060Fire Warning · false indicationDURING CRUISE DESCENT TO DESTINATION, NR1 ENGINE FIRE LIGHTS, FIRE WARNING AUDIO AND FIRE T-HANDLE LIGHT CAME ON. CHECKED FOR SECONDARY INDICATIONS ON THE INSTRUMENTS, AND THERE WERE NONE. HAD NO INDICATIONS OF SMOKE OR FLAMES. STARTED A DESCENT TO A LOWER Mar 13, 2009 · N577EH · Skrsky S76A · Fire DetectionSDR U0GA2009020280588Attach Fitting · crackedDURING MX AND INSP FOUND STA 300 LT UPPER ATTACHMENT FITTING FWD SIDE CRACKED. REPAIR IN PROGRESS.Feb 2, 2009 · N577EH · Skrsky S76A · Fuselage Main, Attach FittingsSDR 2009FA0000093Valve · failedCUTOFF VALVE ASSY FAILED. THE EPOXY BOND THAT RETAINS THE END CAP IN THE VALVE FAILED. THEN FUEL PRESSURE WAS PRESENT IN THE VALVE ASSY THE PRESSURE WOULD PUSH THE END CAP PARTIALLY OUT OF THE VALVE ASSY. THIS EFFECTIVELY INCREASED THE LENGTH OF THE VALVE. Jan 9, 2009 · N601SJ · Bell 206L3 · Fuel Controlling SystemSDR AC2A2009010380118Bleed Valve · unknownWHILE FLYING, NOTICED THAT THE T5 OF THE NR 1 ENGINE WAS RUNNING APPROX 40-50 DREGREES HIGHER THAN IT HAD BEEN RUNNING AT CRUISE POWER SETTINGS. AFTER LANDING BACK AT THE BASE, PERFORMED AN ACCELERATION BLEED VALVE CHECK IAW THE CHECKLIST. WHEN THE CIRCUIT BREJan 3, 2009 · N7266F · Skrsky S76A · Compressor Bleed ValveSDR YTRR2008121880114Blade · damagedON POST FLIGHT INSP, PILOT FOUND BOTH MAIN ROTOR BLADES HAD EVIDENCE OF IMPACT DAMAGE. FURTHER INSP REVEALED THAT BOTH MAIN ROTOR BLADES HAD CONTACTED THE WINGLETS ON THE HORIZ STABILIZER. THE PILOT REPORTED THAT IN CRUISE FLIGHT HE ENCOUNTERED SOME TURBULENCEDec 18, 2008 · N473RT · Bell 206L3 · Main Rotor BladesSDR 2009FA0000091Bearing · failedSPOOL BEARING ASSY (PN 2544198) FAILED INTERNALLY. BEARING ASSY NO LONGER ROTATES. DRIVE SHAFT SHEARED AND GUIDE POST HAS BROKEN OFF. FLYWEIGHTS AND GOVERNOR LEVER WERE ALSO DAMAGED. (K)Dec 15, 2008 · N518RL · Cessna STC206C · Turbine GovernorSDR AC2A2008120579692Throttle Cable · brokenENGINE WOULD NOT RESPOND TO THROTTLE INPUTS. SUSPECT A BROKEN THROTTLE CABLE.Dec 5, 2008 · N6533U · Bell 206L3 · Power LeverSDR 2009FA0000092Bearing · failedSPOOL BEARING ASSY FAILED INTERNALLY. BEARING ASSY NO LONGER ROTATES. THE UPPER BEARING LOWER SHIELD AND RETAINER HAS COME OFF, BEARING BALLS ARE LOOSE. THE LWR BEARING IS INTACT BUT NO LONGER ROTATES. (K)Nov 10, 2008 · N852RL · Bell 206L4 · Engine (Turbine/Turboprop)SDR 2009FA0000022Nut · backed outOIL COOLER BLOWER DRIVEN PULLEY RETAINING NUT IS BACKING OFF OF SHAFT DURING NORMAL USE. NUT IS A STAINLESS STEEL, SILVER PLATED, ALL METAL SELF LOCKING TYPE NUT. THIS WAS THE 3RD OCCURRENCE OF THIS TYPE FOR OUR UNIT AND WE ARE ALSO AWARE OF ONE OTHER INCIDEOct 27, 2008 · N5185G · Hughes 369FF · Engine Oil CoolerSDR 2008FA0000741Nut · backed outOIL COOLER BLOWER DRIVEN PULLEY RETAINING NUT IS BACKING OFF OF SHAFT DURING NORMAL US. NUT IS A STAINLESS STEEL, SILVER PLATED, ALL METAL SELF LOCKING TYPE NUT. THIS WAS THE THIRD OCCURRENCE OF THIS TYPE FOR OUR UNIT AND WE ARE ALSO CAUSES THE SHAFT BEARING Oct 26, 2008 · N5185G · Hughes 369FF · Rotorcraft Cooling Fan SystemSDR CA081007007Crossbeam · cracked(CAN) A BI DIRECTIONAL CROSS BEAM WAS SENT OUT FOR NDT INSPECTION AND A CRACK INDICATION WAS FOUND INBD RADIUS OF CROSS BEAM WHERE THE LAMINATED MOUNT ATTACHES. A SECOND NDT INSPECTION WAS PERFORMED WITH THE SAME RESULTS.Sep 29, 2008 · Snias AS350BA · Fuselage Main, StructureSDR AC2A2008092678457Master Caution · failedMASTER CAUTION FAILURE.Sep 26, 2008 · N7266K · Skrsky S76A · Central WarningSDR 2008FA0000610Bearing · failedSPOOL BEARING ASSY FAILED INTERNALLY. BEARING ASSY NO LONGER ROTATES AND CAUSED DRIVE SHAFT GUIDE POST AND FORK IN GOVERNOR LEVER ASSY TO BEND. THE UPPER BEARING LOWER SHIELD AND RETAINER HAS COME OFF. THE LOWER BEARING IS INTACT BUT NO LONGER ROTATES. (K)Sep 8, 2008 · N520RL · Bell 206L4 · Engine (Turbine/Turboprop)SDR 2008FA0000608Bearing · failedSPOOL BEARING ASSY (PN 2544198) FAILED INTERNALLY. BEARING ASSY NO LONGER ROTATES AND CAUSED DRIVE SHAFT (PN 2539033) GUIDE POST AND FORK ON GOVERNOR LEVER ASSY. (PN 2523293) TO BEND. ONE FLYWEIGHT (PN 2544200) WAS DAMAGED FROM THE SPOOL BEARING CHAFING. (K)Sep 4, 2008 · N396RL · Bell 206L1 · Engine (Turbine/Turboprop)SDR HEF2008F00000Bearing · failedUPPER BEARING, (PN 2525465) INSIDE OF SPOOL BEARING ASSY FAILED (CAME APART). LOWER SPOOL BEARING, (PN 2525468) IS STILL INTACT, BUT NO LONGER ROTATES FREELY. (K)Sep 3, 2008 · N410RL · Bell 206L4 · Engine (Turbine/Turboprop)
Back to Allison 250-C30