Allison 250-C30P

Service difficulty reports · 646

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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 02082008203CGShaft · strippedWHILE ENROUTE, PILOT EXPERIENCED A HYDRAULIC FAILURE. PULLING THE CIRCUIT BREAKER HAD NO EFFECT (SYSTEM IS AUTOMATICALLY ON WHEN POWER IS REMOVED). PILOT THEN TURNED SWITCH OFF AND PROCEEDED WITH AN UNEVENTFUL LANDING. UPON INSPECTION IT WAS DETERMINED THATFeb 8, 2008 · N203CG · Bell 206L3 · Hydraulic Pump (Electric/Engine), MainSDR CA080104005Yoke · incorrect(CAN) FOUND TO BE WRONG, YOKE M/R HUB ASSY, WITH THE INCORPORATION OF STC NR SH296NM, INSTALLATION OF ENGINE. CORRECT PN OF YOKE SHOULD BE 206-011-149-101. (TC NR 20080104005)Jan 4, 2008 · Bell 206L1 · Main Rotor HeadSDR AC2A118583Float · leakingLEAKED DURING 6 MONTH INSPECTION.Dec 20, 2007 · N6533U · Bell 206L3 · Emergency Flotation SectionSDR HEEA118058Filter · smokeSMOKE IN COCKPIT. TURNED OFF LANDING LIGHT AND SMOKE REDUCED. LANDED IN A BACKYARD. REPLACED NOISE FILTER IN PULSE LIGHT SYSTEM.Oct 31, 2007 · N8593X · Bell 206L3 · Exterior LightingSDR AC2A118586Bearing · wornTAIL ROTOR HAS WORN FEATHERING BEARINGS.Oct 22, 2007 · N17238 · Bell 206L3 · Tail Rotor HeadSDR AC2A118587Bearing · wornTAIL ROTOR HAS WORN FEATHERING BEARINGS.Oct 22, 2007 · N17238 · Bell 206L3 · Tail Rotor HeadSDR CA071023002Nut · loose(CAN) WHILE INVESTIGATING MAST BEARING PLAY. UNABLE TO REMOVE NUT (BEARING TORQUED). MAST ASSY SENT TO MFG FOR INVESTIGATION. NEW MAST ASSY PROVIDED BY MFG (TC NR 20071023002).Oct 22, 2007 · Bell 206L4 · Main Rotor Mast/SwashplateSDR CA071023004Nut · failed(CAN) WHILE INVESTIGATION MAST BEARING PLAY, UNABLE TO REMOVE NUT (BEARING TORQUE). MAST ASSEMBLY SENT TO MFG FOR INVESTIGATION. NEW MAST ASSEMBLY PROVIDED BY MFG. (TC NR 20071023004)Oct 22, 2007 · Bell 206L4 · Main Rotor Mast/SwashplateSDR EVAC010192007Unknown · smokeEXCESSIVE SMOKE FROM EXHAUST ON SHUTDOWN.Oct 19, 2007 · N133AE · Bell 206L1 · Standard Practices/StructuresSDR HEEA116944Compressor · stalledPILOT REPOSITIONED THE AIRCRAFT FROM THE AIRFIELD TO A HELIPAD AT CUSTOMER'S LOCATION. DURING TAKEOFF TO A HOVER AT THAT LOCATION, PILOT HEARD A LOUD POPPING NOISE AND THE AIRCRAFT LOST SOME POWER. PILOT SUSPECTED COMPRESSOR STALL, SHUTDOWN. MAINTENANCE INAug 20, 2007 · N6160Y · Bell 206L3 · Turbine Engine Compressor SectionSDR 2007FA0000887Turbine Wheel · failedAFTER 13 HOURS OF OPERATION SINCE OVERHAUL, DURING A POWER CHECK, THE TURBINE ASSY FAILED CAUSING THE FORCED LANDING OF THE HELICOPTER. FORCED LANDING CAUSED SUBSTANTIAL DAMAGE TO THE AIRCRAFT. (K)Aug 3, 2007 · N5746N · Cessna STC206C · Turbine SectionSDR CA070719008Tube · cracked(CAN) OIL LINE CRACKED IN BEND JUST FWD TO FLARED FITTING. SUSPECT FATIGUE FROM IMPROPER TIGHTENING AT SOME POINT THROUGHOUT THE LIFE OF THE LINE. SUSPECT THIS TUBE WAS ORIGINAL EQUIPMENT. UNABLE TO DETECT LEAK ON GROUNG RUN LEAK CHECK AS THE MAINROTOR TRANSMIJul 19, 2007 · Bell 206L1 · Main Rotor GearboxSDR CA070718005Combustion Liner · cracked(CAN) COMBUSTION LINER REMOVED AND INSPECTED DURING UN-RELATED ENGINE MAINTENANCE. FOUND CRACKED AND WARPED BEYOND LIMITS. (TC NR 20070718005)Jul 15, 2007 · Bell 206L1 · Turbine Engine Combustion SectionSDR HEER117209Fitting · crackedUPPER LT TAILBOOM ATTACH FITTING CRACKED. REPLACED FITTING.Jul 6, 2007 · N266P · Bell 206L4 · Rotorcraft Tail BoomSDR AC2A115394Wire Harness · damagedTHE MECHANIC WAS PERFORMINGGA DAILY ENGINE WASH. THE AIRCRAFT ENGINE WAS MOTORED AND THE WATER WAS SPRAYED INTO THE ENGINE. AFTER COAST DOWN THE BATTERY SWITCH WAS TURNED OFF TO LET THE REMAINING WATER DRAIN OUT. WHEN THE BATTERY SWITCHED WAS TURNED OFF THE SApr 28, 2007 · N53702 · Bell 206L3 · Electrical Power System WiringSDR CA070202006Diode · failed(CAN) SINCE THE DIODE FAILED, A DIRECT SHORT TO GROUND OCCURED. CAUSING THE BATTERY CIRCUIT WIRING TO BURN OFF ITS SHIELDING AND THE DIODE PIG TAIL FROM X1 TO X2 ON THE RELAY HEATED UP TO THE POINT OF BREAKING, FLAME WAS PRESENT. THE BATTERY SWITCH WAS NOT DJan 24, 2007 · Bell 206L1 · Battery/Charger SystemSDR CA070126006Tail Boom · damaged(CAN) UPON CHANGING FORMER P/N 206-020-113-093 ON VERTICAL FIN, DAMAGE/GOUGING DETECTED ON THE IB FIN SKIN WITHIN CLOSE PROXIMITY TO VERTICAL FIN MOUNTING HOLE. IT IS SUSPECTED THAT WHEN ORIGINALLY FITTING THE COWLS THAT THE FORMER WAS TRIMMED AND THAT AT THISJan 21, 2007 · Bell 206L4 · Rotorcraft Tail BoomSDR EOP2007F00000Fitting · out of alignmentNEW FITTING WAS ORDERED TO REPLACE WORN FITTING. WHEN NEW FITTING WAS INSTALLED AND ELEVATOR WAS BEING REINSTALLED IT WAS OUT OF ALIGNMENT AND BINDING. THE NEW FITTING WAS THEN COMPARED TO THE OLD FITTING, THE NEW FITTING WAS FOUND TO BE OUT OF ALIGNMENT BY Jan 16, 2007 · N360AL · Bell 206L3 · Rotorcraft Tail BoomSDR CA061208003Tach Generator · worn(CAN) GREASE FOUND WASHED OUT CAUSING PREMATURE WEAR OF DRIVE SPLINES LEADING TO HYDRAULIC SYSTEM FAILURE. 298.7 HRS SINCE PREVIOUS LUBRICATION. (TC NR 20061208003)Dec 5, 2006 · Bell 206L4 · Rotor Drive Indicating SystemSDR CA061208004Pump · lack of lube(CAN) GREASE FOUND WASHED OUT CAUSING PREMATURE WEAR OF DRIVE SPLINES LEADING TO HYDRAULIC SYSTEM FAILURE. 198.3 HRS SINCE PREVIOUS LUBRICATION. (TC NR 20061208004)Dec 5, 2006 · Bell 206L4 · Hydraulic Pump (Electric/Engine), MainSDR HEEA111931Seal · unknownDURING FLIGHT TRANSMISSION OIL PRESSURE DROPPED TO ZERO. TRANSMISSION OIL PRESSURE CAUTION LIGHT CAME ON, TEMP ROSE TO 95 DEGREES C, LANDED ASAP- MP175. REPLACED FWU SEALS, AFT SEAL DETERMINED TO BE TRANSFERRING OIL TO ENGINE.Nov 2, 2006 · N41791 · Bell 206L3 · Main Rotor GearboxSDR HEEA111739Hose · failed(3) MINUTES AFTER TAKEOFF, IN CRUISE, TORQUE GAUGE WENT TO 10. ENGINE OIL PRESSURE AND ALL OTHER GAUGES WERE NORMAL. LANDED AT MOB908A ONLY TO NOTICE OIL LEAKING FROM FRONT, LT PORTION OF THE ENGINE COMPARTMENT. MAINTENANCE FOUND THE ENGINE TORQUE INSTRUMENOct 25, 2006 · N6748D · Bell 206L3 · Independent InstrumentsSDR CA070119006Spring · broken(CAN) THE STARTER GENERATOR WAS THEN INSTALLED. UPON FIRST GROUND RUN OF THE AIRCRAFT, SPARKS WERE NOTICED TO BE COMING FROM THE BRUSH AREA. THE AIRCRAFT WAS SHUTDOWN, THE STARTER GENERATOR WAS REMOVED. UPON REMOVAL WE HEARD SOMETHING LOOSE/RATTLING AROUND. WOct 13, 2006 · Bell 206L3 · Starter-GeneratorSDR CA061011012Gland Nut · cracked(CAN) DURING THE FIRST OVERHAUL OF THREE SERVO ACTUATORS 2 WERE FOUND TO HAVE CRACKS ON THE GLAND THAT RETAINS THE PISTON SEAL. BOTH SERVO ACTUATOR GLAND ASSEMBLIES WERE CRACKED IN THE SAME AREA. (TC NR 20061011012)Oct 10, 2006 · Bell 206L4 · Rotorcraft Servo SystemSDR ALGR111218Panel · crackedROOF PANEL CRACKED 2 PLACES ON LT AFT TRANSMISSION MOUNT.Sep 25, 2006 · N414LV · Bell 206L4 · Fuselage Main, Plate/SkinSDR CA060927001Scroll · cracked(CAN) DURING SCHEDULED 100/300 HR INSPECTION COMPRESSOR SCROLL FOUND CRACKED ON VISUAL INSPECTION. A/C GROUNDED AND COMPRESSOR REPLACED. RECOMMEND BETTER DAILY INSPECTIONS BEFORE FIRST FLIGHT. (TC NR 20060927001)Sep 19, 2006 · Bell 206L1 · Turbine Engine Compressor SectionSDR ALGR111208Panel · crackedROOF PANEL CRACKED APPROX. 1.6.Sep 9, 2006 · N76AL · Bell 206L4 · Fuselage Main, Plate/SkinSDR ALGR111207Panel · crackedROOF PANEL CRACKED APPROX 6.3.Aug 26, 2006 · N267AL · Bell 206L4 · Fuselage Main, Plate/SkinSDR ALGR110830Coupling · mismanufacturedON INSPECTION OF FLEX COUPLING, FOUND PART TO BE MISMANUFACTURED ON END FACE SPLINES. REPLACED PART W/SERVICEABLE PART.Aug 18, 2006 · N275AL · Bell 206L4 · Main Rotor GearboxSDR AC2A110583Bleed Valve · failedON TAKEOFF FROM DRILLING RIG, WHILE INCREASING COLLECTIVE, THE HELICOPTER MADE (2) REPORTS (POPS). ABORTED TAKEOFF. DISCOVERED DEFECTIVE ENGINE BLEED VALVE. INSTALLED SERVICABLE ENGINE BLEED VALVE.Aug 2, 2006 · N6533U · Bell 206L3 · Compressor Bleed ValveSDR 2006FA0000772Coupling · failedNR 2 COUPLING FAILURE, WHICH CAUSED A NI FAILURE, AND INNER SHAFT FAILURE, POWER TURBINE ROTOR DECOUPLING AND GAS PRODUCER OVERTEMP. (K)Jul 31, 2006 · Engine (Turbine/Turboprop)SDR CA060803004Hose · leaking(CAN) UPON LANDING AND SHUTDOWN ON LAST UNEVENTFULL FLIGHT OF THE DAY. PILOT REPORTED HYD FLUID ON SIDE OF A/C. A/C GROUNDED UNTIL INSP, UPON INSP. HYD PRESSURE FEED LINE FOUND LEAKING. LINE REPLACED WITH SEVICEABLE UNIT. RECOMMEND OPERATORS AND MAINT FACILITIJul 28, 2006 · Bell 206L3 · Hydraulic System, MainSDR AC2A110424Compressor · stalledHEARD A LOUD POP FOLLOWED BY YAWING AND FLUCTUATIONS IN INDICATED TORQUE. PILOT IMMEDIATELY LOWERED THE COLLECTIVE MAINTAINED AIRSPEED, AND CROSSCHECHECKED THE INSTRUMENTS.I PILOT INITIATED A TURN TO LAND BACK AT SP 58D. AFTER LANDING THE PASSENGERS GOT OUT TJul 21, 2006 · N104LP · Bell 206L3 · Turbine Engine Compressor SectionSDR HEEA109523Governor · malfunctionedIN FLIGHT DROOP. HELICOPTER LANDED ON BEACH. MAINTENANCE REPLACED GOVERNOR.Jun 2, 2006 · N54641 · Bell 206L3 · Turbine GovernorSDR CA060504003Bearing Cage · failedBEARING, REMOVED FROM GEARBOX DURING 3500 HOURS INSPECTION, HAS BEEN PREVIOUSLY ASSEMBLED WITH ONE BALL NOTICEABLY SMALLER THAN THE OTHER BALLS IN THE BEARING ASSEMBLY. REF ROLLS-ROYCE IPC, 14W4, 72-60-00, FIG.2, P.5, ITEM 39.Apr 28, 2006 · Turbine Engine Accessory DriveSDR CA060413005Fuel Control · brokenONE OF THE FUEL CONTROL BYPASS COVER SCREWS BROKE CAUSING FUEL TO LEAK INTO THE ENGINE BAY. THIS IS TO BE INSPECTED EVERY 100 HOURS IAW ALLISON 250 C30 CEB A-73-3075R1 WHICH IT WAS.Apr 12, 2006 · Bell 206L1 · Fuel Control/Turbine EnginesSDR CA060316003Pump · leakingAFTER COMPLETION OF 300 HR ENGINE INSPECTION ENGINE WAS BEING GND RUN AND LEAK CHECKED. FUEL WAS NOTICED IN ENGINE COMPARTMENT AFTER INVESTIGATING DRAIN LINE WAS REMOVED FROM OVERBOARD DRAIN FOR FUEL PUMP AND EXCESSIVE LEAK WAS DETECTED. PUMP REMOVED AND REPMar 14, 2006 · Bell 206L3 · Engine Fuel PumpSDR ALG2006F00026Starter Gen · malfunctionedIN FLIGHT, AMMETER FLUCTUATED ZERO TO RED LINE NUMEROUS TIMES THEN DROPPED TO ZERO. REMOVED AND REPLACED STARTER/GENERATOR. FUNCTION CHECKED GOOD. (K)Mar 12, 2006 · N272M · Bell 206L1 · Starter-GeneratorSDR ALG2006F00037Relay · failedIN LEVEL FLIGHT, BATTERY RELAY ILLUMINATED. MAINTENANCE ACTION: REPLACED RELAY. (K)Mar 4, 2006 · N280AL · Bell 206L4 · DC Generating SystemSDR ALG2006F00007Volt Regulator · malfunctionedGENERATOR FAIL LIGHT ILLUMINATED ON TAKEOFF. ATTEMPTED RESET AND SMELLED ACRID BURNING SMELL. LANDED AIRCRAFT AT THE NEAREST SAFEST PLACE. REMOVED AND REPLACED VOLTAGE REGULATOR WITH SERVICEABLE UNIT. ALL IAW MM. (K)Jan 24, 2006 · N173AL · Bell 206L4 · DC RegulatorSDR ALG2006F00019Line · leakingDURING HOT REFUEL, OIL WAS OBSERVED LEAKING FROM THE AIRCRAFT. REMOVED AND REPLACED ENGINE OIL PRESSSURE LINE WITH SERVICEABLE LINE. (K)Jan 3, 2006 · N343AL · Bell 206L3 · Turbine Engine Oil SystemSDR ALG2006F00020Engine · making metalENGINE CHIP LIGHT ILLUMINATED ON START. PILOT FOLLOWED ENGINE CHIP LIGHT PROCEDURE. PILOT FOUND NO METAL ON CHIP PLUG AND REPLACED SAFETY WIRE. COMPLY WITH 30 MINUTE PENALTY RUN. AFTER RETURNING TO BASE NOTIFIED MAINTENANCE. ON POST FLIGHT EXAMINATION OF Dec 30, 2005 · N5759M · Bell 206L1 · Engine (Turbine/Turboprop)SDR 2005FA0001612Diffuser · separatedCOMPRESSOR REPORTED STALLING. VERIFIED ON TEST CELL. UPON DISASSEMBLY DIFFUSER VANE RING WAS FOUND TO HAVE THE AFT STUD BAND (RING) SEPARATED FROM THE DIFFUSER ASSEMBLY BODY. DIFFUSER INSTALLED NEW AT LAST OVERHAUL 449.3 HOURS PRIOR.Dec 20, 2005 · Turbine Engine Compressor SectionSDR ALG2005F00122Actuator · out of adjustON TAKEOFF, RPM ROSE TO 104 PERCENT, THE PILOT WAS UNABLE TO BEEP DOWN TO NORMAL RANGE, RETURNED TO DEPARTURE. THE MECHANIC FOUND THE LINEAR ACTUATOR RANGE WAS SET TOO HIGH, HE ADJUSTED THE BEEP RANGE TO WITHIN THE LIMITS AND THE AC WAS RETURNED TO SERVICE. Dec 6, 2005 · N175AL · Bell 206L4 · Engine RPM Indicating SystemSDR ALG2005F00101Starter Gen · failedSTARTER/GENERATOR FAILED ENROUTE TO WC 586. RETURNED TO BASE. REMOVED AND REPLACED STARTER/GENERATOR. (K)Nov 28, 2005 · N271AL · Bell 206L4 · Starter-GeneratorSDR ALG2005F00102Starter Gen · failedSTARTER/ GENERATOR FAILED ENROUTE TO WC 586, RETURNED TO BASE. REMOVED AND REPLACED STARTER/GENERATOR. (K)Nov 28, 2005 · N271AL · Bell 206L4 · Starter-GeneratorSDR ALG2005F00092Wire · brokenGENERATOR LIGHT ILLUMINATED IN FLIGHT. PERFORMED EMERGENCY PROCEDURE IAW CHECKLIST. FOUND BROKEN WIRE AT BATTERY CONTROL RELAY. REPLACED TERMINAL END OF WIRE. REPLACED STARTER/GENERATOR BRUSHES DUE TO INTERMITTENT OPERATION DURING OPS, CHECK. (K)Nov 27, 2005 · N40LP · Bell 206L1 · Electrical Power System WiringSDR ALG2005F00103Bleed Valve · failedON TAKEOFF, ENGINE COMPRESSOR STALLED AT 80 PERCNET. LANDED AIRCRAFT AND NOTIFIED MAINTENANCE. PERFORMED MM 179-04. NO DEFECTS NOTED. REMOVED AND REPLACED BLEEDVALVE. (K)Nov 24, 2005 · N2618 · Bell 206L1 · Compressor Bleed ValveSDR ALG2005F00104Windshield · crackedA CRACK WAS NOTICED IN THE UPPER EDGE OF THE PILOTS WINDSCREEN. REPLACED BOTH LT AND RT WINDSHIELD. (K)Nov 24, 2005 · N362AL · Bell 206L3 · Flight Compartment WindowsSDR ALG2005F00107Bleed Valve · failedON TAKEOFF, ENGINE COMPRESSOR STALLED AT 80 PERCENT. LANDED AIRCRAFT AND NOTIFIED MAINTENANCE. PERFORMED MM, NO DEFECTS NOTED. REMOVED AND REPLACED BLEEDVALVE. (K)Nov 24, 2005 · N2618 · Cessna STC206C · Compressor Bleed Valve
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