Allison 250-C20R

Service difficulty reports · 111

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 = '250C20R'
  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 X2RA2020010800000Governor · failedLOW SIDE GOVERNOR FAILURE, EPO ILLUMINATED, N1, N2, TORQUE DROP INDICATOR LOSS OF POWER. PILOT LANDED IMMEDIATELY WITHOUT INCIDENT. UPON POWER DOWN THE PILOT LOWERED THE COLLECTIVE AND THE RPM SEEMED TO SPOOL UP AND FLUCTUATE. PILOT ROLLED THROTTLE TO IDLE Nov 7, 2019 · N717MA · Hughes 369 · Turbine GovernorSDR CA190704013Lock Pin · inoperative(CAN) WE RECENTLY BOUGHT AND INSTALLED THE DART TAIL ROTOR PEDAL LOCK OUT KIT IN OUR BELL 206L AND 407.. YESTERDAY, IN FLIGHT THE PASSENGER TOUCHED THE AFT END OF THE ROD (FIG 3.2 OF DART INN-D119-827) AND IT POPPED OF THE LOCK PIN ALLOWING THE PEDAL TO FALL FJul 3, 2019 · Bell 206L · Rotorcraft Flight ControlSDR CA160108005Turbine · failed(CAN) TURBINE HAD A CATASTROPHIC FAILURE, ACFT AUTO ROTATED TO A CLEARING. 1 MAIN ROTOR BLADE RECEIVED MINOR DAMAGE FROM TURBINE PIECES, NO OTHER ACFT DAMAGE.Jan 4, 2016 · Bell 206L · Turbine SectionSDR CA151007019Gearbox · making metal(CAN) DURING SHUTDOWN, PILOT REPORTED AN UNFAMILIAR METALLIC NOISE FOLLOWED SHORTLY BY ILLUMINATION OF THE COMBINING GEARBOX CHIP LIGHT. INSPECTION OF THE CHIP PLUG REVEALED METAL PARTICLES IN EXCESS OF ALLOWABLE, ACFT GROUNDED. COMBINING GEARBOX IS APPROXIMOct 7, 2015 · Bell 206L4 · Main Rotor GearboxSDR CA150421002Starter Gen · failed(CAN) SPECIFIC PART CAUSING DIFFICULTY: STARTER GENERATOR VOLTAGE REGULATOR. STARTER GENERATOR WENT OFFLINE. REMOVED BOTH STARTER GENERATOR & VOLTAGE REGULATOR & REPLACED WITH IDENTICAL PN SERVICEABLE PORTS.Apr 9, 2015 · Bell 206L · Starter-GeneratorSDR CA150217005Stiffener · cracked(CAN) FOUND 3 CM CURVED HORIZONTAL CRACK ALONG LT LOWER SIDE AND 3.5 CM CURVED HORIZONTAL CRACK ALONG RT SIDE OF HORIZONTAL STIFFENER. ALSO, FOUND 0.5 CM CRACK FROM RT SIDE OF UPPER RT RIVET HOLE TO RT SIDE OF PART ON UPPER SIDE OF HORIZONTAL STIFFENER. CRACJan 29, 2015 · Bell 206L · Fuselage Miscellaneous StructureSDR CA150122007Turbine Wheel · cracked(CAN) THE PILOT HAD REPORTED N2 LOCKUP. DURING MAINTENANCE THE ENGINE WAS DISASSEMBLED TO HAVE THE ENGINE GEARBOX REPAIRED AND TO SEND THE TURBINE FOR INSPECTION TO DETERMINE THE CAUSE OF THE N2 LOCKUP. THE TURBINE WAS SENT FOR INSPECTION. DURING THE INSPECOct 14, 2014 · Bell 206B · Turbine SectionSDR CA140918013Nozzle · cracked(CAN) TURBINE MODULE SENT IN FOR O/H. DURING PART INSPECTION AFTER UNIT DISASSEMBLY THE NOZZLE WAS SCRAPPED FOR OUTER BAND CRACKS AS WELL AS FILLET CRACK AT THE VANE AREAS. THE DIAPHRAGM WAS ALSO DISCOVERED CRACKED THRU AT ABOUT 80 PERCENT OF THE UNITS CIRCUSep 16, 2014 · Bell 206L · Turbine SectionSDR CA140717014Fuel Control · malfunctioned(CAN) THIS ACFT WAS OUT FLYING FOR THE DAY AND WHEN IT RETURNED TO BASE AND THE PIC DECREASED THE THROTTLE TO GROUND IDLE THE ENGINE WENT PAST IDLE AND SHUTDOWN. ALL ACFT THROTTLE CONTROL RIGGING WAS CHECKED AND FOUND TO BE SERVICEABLE MM. PX AND PY ORFICES Jul 4, 2014 · Bell 206L · Fuel Control/Turbine EnginesSDR CA140627006Starter Gen · inoperative(CAN) AFTER ATTEMPTING TO START RT ENGINE, A SMALL NOISE OCCURRED BUT THE ENGINE DID NOT ROTATE, MUCH LESS START.Jun 19, 2014 · Aerosp AS355F2 · Starter-GeneratorSDR CA140527010Throttle Cable · damaged(CAN) PILOT WAS STARTING ACFT. WHEN HE GOT TO 62 N1 HE LT OFF OF THE START SWITCH ACFT IMMEDIATELY WENT TO 110 NR. TORQUE WENT AS HIGH AS 90 PERCENT. HE CLOSED THE FUEL VALVE AND TURNED OFF THE BOOST PUMPS. 110 NR FOR ABOUT 5 SECONDS BEFORE THE FUEL RAN May 26, 2014 · Bell 206L · Power LeverSDR CA140522006Indicator · stuck(CAN) TORQUE INDICATOR WOULD NOT INDICATE DUE TO NEEDLE "FROZEN" NOT MOVING. REMOVED SN 302 AND INSTALLED PN 206-075-185-003, TSI 0.0.May 12, 2014 · Bell 206L · Engine BMEP/Torque IndicatingSDR CA140522010Bushing · worn(CAN) TORQUE TRANSMISSION RESTRAINT DUE TO EXCESSIVE PLAY. REMOVED LT STOP ASSY DUE TO WORN BUSHINGS. INSTALLED NEW & SERVICEABLE TSI 0.0 PARTS IN COMPLIANCE WITH TB 206L-94-1971.May 12, 2014 · Bell 206L · Main Rotor GearboxSDR CA130724008Circuit Breaker · tripped(CAN) DURING FLIGHT, THE PILOT SAW THAT THE NR 1 ENGINE OIL TEMP REACHED 119 DEGREES C FOR 2 MINUTES AND THAT THE CB1, CB17 POPPED OUT. IT`S ALWAYS HAPPENED WHEN THE HELICO IS IN STATIONNARY FLIGHT POSITION FOR A LONG PERIOD AND THE OUTSIDE TEMP IS HIGH, ABOJun 27, 2013 · Bell 206L4 · Engine Oil System WiringSDR CA130506008Governor · malfunctioned(CAN) DURING TAKEOFF, PILOT REPORTS N2 DROOP FROM 100 PERCENT TO 98 PERCENT. PILOT TRIED TO ACTUATE THE GOVERNOR BACK TO 100 PERCENT, AT THAT POINT IT DROPPED FURTHER TO 95-96 PERCENT. PILOT ENTERED AUTO ROTATION AND LANDED ON A LOGGING ROAD. NO DAMAGE TO AMay 2, 2013 · Bell 206L · Turbine GovernorSDR CA130416018Switch · leaking(CAN) FUEL LEAKING FROM FUEL FLOW SWITCH. REPLACED WITH SERVICEABLE SWITCH.Apr 4, 2013 · Bell 206L · Fuel Flow SensorSDR CA121011009Filter · broken(CAN) DURING START CYCLE, PILOT HEARD A BANG. HE ABORTED THE START AND WENT TO LOOK FOR THE SOURCE OF THE NOISE. UPON OPENING ENGINE COWLING HE SAW FUEL POURING OUT OF THE AIR FRAME FUEL FILTER BOWL. PILOT RETURNED TO COCKPIT AND SHUTOFF BOOST PUMPS. HE REMOct 7, 2012 · Bell 206L · Aircraft Fuel Filter/StrainerSDR 2012FA0000218Indicator · failedDURING ROUTINE INSPECTION, DISCOVERED THAT AFTER MAIN ROTOR TRANSMISSION OIL WAS DRAINED, OIL LEVEL INDICATED FULL. OIL LEVEL SIGHT GLASS REMOVED. INSPECTION OF THE OIL LEVEL INDICATOR REVEALED COATING WITH LEVEL MARKINGS HAD SEPARATED FROM THE METALLIC BACMar 7, 2012 · N2196J · Bell 206B · Main Rotor GearboxSDR CA120113009Blade · delaminated(CAN) BEST DESCRIBE THIS DEFECT AS A CONVEX BUBBLE DELAMINATION IN THE SKIN OF THE BLADE. DEFECT IS FOUND ON BOTH TOP AND BOTTOM OF BLADE, SAME SIZE AND SHAPE FOR BOTH. DEFECT LOCATION IS FOUND 9.5" INBD FROM THE BLADE TIP, AND 2" FORWARD FROM THE T/E. THE Jan 11, 2012 · Bell 206B · Main Rotor BladesSDR CA110718013Fan · failedDURING A FLIGHT THE PILOT REPORT SHUTDOWN NR 2 ENGINE BECAUSE OF OIL OVERTEMP UP TO 150 DEGREES AND ABOVE 120 DEGREES FOR 2 MIN. LANDED SAFELY. CAUSE WAS COOLER FAN FAILED. TJun 30, 2011 · Bell 206L4 · Rotorcraft Cooling Fan SystemSDR CA110321007Bearing · broken(CAN) ENG CHIP LIGHT EXPERIENCED. SERVICEABILITY CHECK CARRIED OUT. ENG CHIP LIGHT EXPERIENCED. GEARBOX REMOVED, DISCOVERED OUTER RACER OF NR 4 BEARING BROKEN. GEARBOX REPLACED.Mar 18, 2011 · Aerosp AS355F2 · Turbine Engine Accessory DriveSDR CA101202014Disc Pack · crackedUPON INSP OF THE TAIL ROTOR DRIVESHAFT COUPLINGS, 1 DISK IN THE COUPLING DISK PACK, 2ND FROM THE FRONT, WAS FOUND TO HAVE CRACKED. CRACK DISCOVERED AT AFT 2094.4. DISK PACK CHANGED OUT.Nov 28, 2010 · Bell 206L4 · Tail Rotor Drive ShaftSDR CA101116010Pump · damagedEXCESSIVE NOISE ON START ATTEMPT. REMOVED FUEL PUMP T 1061006 + TRACED NOISE TO FUEL PUMP. SEND TO O/H SHOP. INSTALLED ANOTHER TSO 0.0 UNIT NDF.Nov 7, 2010 · Bell 206L · Fuel Boost PumpSDR CA101115021Solenoid · burned(CAN) BLEW CIRCUIT BREAKER. ON INSPECTION, SOLENOID WAS BURNT. SENT TO O/H SHOP. INSTALLED TSO 0.0 UNIT.Nov 5, 2010 · Bell 206L · Cargo CompartmentsSDR CA100927010Bearing · spalledTRANSMISSION CHIP LIGHT CAUSED BY STEADY BEARING ON INPUT PINION.Sep 15, 2010 · Bell 206L · Main Rotor GearboxSDR CA100927011Bearing · spalledENGINE CHIP LIGHT CAUSED BY 2.5 BEARING.Jul 23, 2010 · Bell 206L · Turbine Engine Accessory DriveSDR CA100430004Clutch · seized(CAN) UNUSUAL NOISE DETECTED BY THE PILOT ON SHUT DOWN. FURTHER INVESTIGATION REVEALS SEIZED FREEWHEEL. FREE WHEEL REMOVED AND SENT TO INVESTIGATION TO SKYLINE HELICOPTERS. A REPORT WILL BE SUBMITED SHORTLY.Apr 26, 2010 · Bell 206L · Engine/Transmission CouplingSDR CA091013003Blade · delaminated(CAN) DURING DAILY INSP PILOT NOTICED THE OTBD T/E SKIN WAS DELAMINATED 6 INCHES FROM THE TIP ON TAIL ROTOR BLADE PN 206-016-201-131, SN CS-12194 BLADE HAS 120.8 HOURS REMAINING BEFOR RETIREMENT. BOTH BLADES WERE REPLACE WITH NEW BLADES AND THE ASSY WAS BALANCOct 10, 2009 · Bell 206L · Tail Rotor BladesSDR CA091008004Bearing · worn(CAN) ENGINE CHIP LIGHT FOUND PROBLEM WITH THE BALL BEARING ON THE POWER TAKEOFF OUTPUT SHAFT.Oct 8, 2009 · Bell 206L · Turbine Engine Reduction GearSDR CA090902006Bearing · spalledENG CHIP LIGHT PROBLEM FOUND WITH THE BALL BRG ON THE PWR TAKEOFF OUTPUT SHAFT.Aug 21, 2009 · Bell 206L · Fuselage Miscellaneous StructureSDR CA090902007Bearing · spalledENG CHIP LIGHT, FOUND PROBLEM WITH THE PWR TAKEOFF OUTPUT SHAFT BEARING, INNER AND OUTER RACE WORN.Aug 21, 2009 · Bell 206L · Main Rotor GearboxSDR CA091103006Bearing · failed(CAN) ENG WAS REMOVED AFTER METAL CONTAMINATION AND SENT TO A REPAIR FACILITY. THE 2.5 BEARING WAS FOUND TO HAVE SPALLED ROLLERS AND RACE AND WAS MISSING A ROLLER. THIS BEARING WAS A PMA PART PN 23034787AL SN TA NR 0511363 AND WAS INSTALLED NEW 385 HOURS AGO. Jun 9, 2009 · Bell 206L · Turbine Engine Reduction GearSDR CA090518001Bearing · corroded(CAN) RECEIVED MAIN ROTOR HUB FOR 1200 HOUR INTERIM INSP. WHEN DISASSEMBLED FOUND BOTH OTBD EXCLUDERS IN GRIP ASSEMBLIES WERE NO LONGER RETAINING LUBRICANT AND ALLOWING IT TO PASS INTO THE YOKE SPINDLE BORES. THE YOKE SPINDLES INBD RACE AREA DID NOT HAVE SUFMay 15, 2009 · Bell 206L · Main Rotor HeadSDR CA090505008Chip Detector · contaminated(CAN) AFTER RECEIVING A COMPLETE TRANSMISSION ASSY FROM OVERHAUL FROM THE ORIGINAL EQUIPMENT VENDOR, A RECEIVING INSP WAS CARRIED OUT. THIS INSP INCLUDED VISUAL INSP OF THE GEARBOX ASSY CHIP PLUGS, OF WHICH THERE ARE TWO. THE UPPER CHIP PLUG, WHICH IS IN THE Apr 15, 2009 · Aerosp AS355* · Main Rotor GearboxSDR CA090512002Bearing · worn(CAN) PILOT HAD A ENGINE CHIP LIGHT INDICATION, ENGINE WAS REPLACED, INSP REVEALED TURBINE NR 5 BEARING WAS WORN AND SOME BALLS MISSING.Apr 11, 2009 · Bell 206L · Turbine SectionSDR CA090401009Bushing · crackedROUTINE INSPECTION DISCOVERED A CRACK BETWEEN THE THROTTLE ARM BUSHING AND ROLL PIN ACCESS HOLE. COLLECTIVE ELBOW FOUND TO BE CORRECTLY INSTALLED AND NO OTHER DEFECTS NOTED. ELBOW ASSY REPLACED AND ACFT RETURNED TO SERVICE.Mar 31, 2009 · Bell 206L · Main Rotor ControlSDR CA090217004Pump · failed(CAN) DURING NORMAL FLAT AND LEVEL CRUISE FLIGHT AT APPROX. 4000` ASL THE PILOT INITIATED A GENTLE RT TURN. UPON MOVING THE CYCLIC CONTROL THE PILOT NOTED ROUGH OPERATION AND FEEDBACK THROUGH THE CYCLIC GRIP. THE PILOT CUT HYD AND RESTORED THEM. THE CYCLIC MOFeb 12, 2009 · Bell 206B · Hydraulic Pump (Electric/Engine), MainSDR CA081223003Release Cable · separated(CAN) PILOT REPORTED UN-COMMANDED HOOK RELEASE (LOSS OF LEAD) UPON INSPECTION FOUND FAULTY MANUAL RELEASE CABLE WHEN HOOK PULLED TO FAR END OF SWAGED END SEPARATED CAUSING UNCOMMENDED HOOK RELEASE HOOK END CABLE REMOVED FROM A/C AND NEW CABLE ORDERED ALL OTHERDec 9, 2008 · Bell 206L · Cargo CompartmentsSDR CA080923004Oil System · overtemp(CAN) ENGINE OIL TEMPERATURE INCREASED TO 100 DEG. C.Sep 22, 2008 · Bell 206L · Engine Oil TemperatureSDR CA080813002Pitch Horn · loose(CAN) THE STUD WHICH HOLDS THE PITCH LINKS ONTO THE PITCH HORN CAME LOOSE. THIS CAUSED A VIBRATION FELT IN THE PEDALS. THE TAILROTOR HUB WAS 2400 HOURS TSO AND BLADES WERE 2300 TSN. THERE IS NO REQUIREMENT TO OVERHAUL THE PITCH HORNS SO NO RECORD AS TO TOTAL TAug 13, 2008 · Bell 206L · Tail Rotor BladesSDR CA080715007Pitch Horn · damaged(CAN) THE PITCH HORN STUD FAILED WHILE INSTALLING A NUT P/N MS14145L5. A "CLICKER-TYPE" TORQUE WRENCH SET TO 60 INCH/LBS WAS USED TO INSTALL THE NUT. THE REQUIRED FINAL TORQUE FOR THIS NUT IS 50-60 INCH/LBS PLUS TARE. THE TIGHTENING TORQUE NEVER REACHED 60 INCJul 15, 2008 · Bell 206B · Tail Rotor BladesSDR 2007F00067Shaft · shearedENGINE EXPERIENCED AN N2 OVERSPEED IN FLIGHT. PILOT REGAINED CONTROL WITH THROTTLE AND LANDED AIRCRAFT WITHOUT FURTHER INCIDENT. REMOVAL OF GOVERNOR FOUND INPUT SHAFT SHEARED WITH AN APPARENT INTERNAL CONTACT OF THE FLYWEIGHT TO THE GOV HOUSING.Nov 6, 2007 · N400MB · Hughes 369E · Turbine GovernorSDR CA070814002Blade · damaged(CAN) UPON LANDING IN A BRUSH AREA, THE PILOT LOWERED THE COLLECTIVE, WHICH IN TURN RAISED (2) TREES THAT WERE SITUATED ON THE LEFT AND THEN HIT THE ROTOR DISK. THE PILOT THEN DISPLACED THE AIRCRAFT TO THE RT. AN ENGINE SHUTDOWN WAS PERFORMED AND VISUAL INSPEJul 10, 2007 · Bell 206L · Main Rotor BladesSDR CA070518001Lever · broken(CAN) PART BROKE IN (2) PIECES JUST ABOVE ATTACHMENT POINT DURING ENGINE PRE-START CHECK PROCEDURES. (TC NR 20070518001)May 14, 2007 · Aerosp AS355F2 · Power LeverSDR CA061128001Line · leaking(CAN) DURING A SCHEDULED FLIGHT, FUEL FUMES WERE DETECTED IN REAR CABIN AREA. A/C RETURNED TO BASE WITH NO PROBLEMS NOTED. A/C INSPECTED AND FWD FUEL TANK VENT LINE FOUND WEEPING WHEN REAR TANK WAS FILLED TO CAPACITY. LINE REMOVED AND REPLACED. LINE INPECTED ANov 24, 2006 · Bell 206L · Fuel StorageSDR CA061219004Governor · erratic(CAN) HIGH TIME GOVERNOR TSO 1889.2, REMOVED FOR O/H DUE TO ERRATIC RPM REPLACED WITH NEW GOVERNOR PN 23076061 SN HR47346 TSN 0:0 (TC NR 20061219004)Nov 21, 2006 · Bell 206L · Turbine GovernorSDR CA061219005Actuator · failed(CAN) REMOVED LINEAR ACTUATOR PN 7185-13 SN 0296A DUE TO INTERNAL LOCKING CLIP FALLING OFF. INSTALLED SERVICEABLE USED LINEAR ACTUATOR PN 206-062-721-003 SN 11842. (TC NR 20061219005)Nov 21, 2006 · Bell 206L · Turbine GovernorSDR CA061109006Skin · cracked(CAN) CRACK FOUND IN SKIN UNDER FWD BEARING OIL COOLER SUPPORT RT STA 192.00 BUTT 4.0. REPAIR WAS MADE IAW BHT-206-SRM-4-2 (TC NR 20061109006)Nov 9, 2006 · Bell 206L4 · Fuselage Main, Plate/SkinSDR CA061019004Indicator · malfunctioned(CAN) FUEL PRESSURE OVER-READING. PEGS AT 30 PSI WITH BOTH PUMPS AND GENERATOR ON. REMOVED FOR REPAIR AT INSTRUMENT SHOP. (TC NR 20061019004)Oct 3, 2006 · Bell 206L · Fuel Pressure IndicatorSDR CA061019005Indicator · leaking(CAN) OIL IN GAUGE GLASS. REMOVED FOR REPAIR AT INSTRUMENT SHOP. (TC NR 20061019005)Oct 3, 2006 · Bell 206L · Engine BMEP/Torque Indicating
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