Allison 250-C28B

Service difficulty reports · 286

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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 = '250C28B'
  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 2021FA0000190Pinion Gear · flakingAIRCRAFT OWNER EXPERIENCED THREE TRANSMISSION CHIP LIGHT WARNING INDICATIONS. THE TWO CHIP DETECTORS WERE PULLED AND METAL SLIVERS WERE FOUND ON THE LOWER CHIP DETECTOR. THE PROCEDURES LISTED IN THE BELL 206L-SERIES MAINTENANCE MANUAL PARAGRAPH 66-14. SERVICEAJun 30, 2021 · N275GB · Bell 206L1 · Main Rotor GearboxSDR EVCA20151125001Actuator · inoperativePOWER EXCURSION DURING APPLICATION. POST POWER ON AUTO ROTATION FLARE. TORQUE APPLIED THROUGH 40% FROM 0 AT WHICH POINT TORQUE VARIED 40%-70 &-45%-60% WITH 0 COLLECTIVE MOVEMENT. ACFT YAWED RT & LT TWICE. ALL OTHER ENG INDICATIONS WITHIN NORMAL LIMITS. EVNov 24, 2015 · N89AE · Bell 206L1 · Engine ControlsSDR 2014FA0000572Strap · separatedDURING O/H OF M/R HUB ASSY, TT STRAP ASSY SCRAPPED DUE TO SEPARATION OF PLASTIC AROUND BUSHING HOLES WITH TT: 771.9 AND TIME IN SERVICE 14 MONTHS. THIS PART HAS A LIFE LIMIT OF 1200 HRS, 24 MONTHS WHICH EVER COMES FIRST. ANY SEPARATION ON THE PLASTIC COATINGSep 29, 2014 · Bell 206L1 · Main Rotor HeadSDR EVCA2014071700063Mount · corrodedWHEN DISASSEMBLY OF ACFT AFTER IT WAS DECOMMISSION, MECHANIC FOUND ENG MOUNT SUPPORT LEG CORRODED THROUGH.Jan 25, 2014 · N88AE · Bell 206L4 · Engine Mount SectionSDR AC2A201311080004Blade · damagedON POST FLIGHT INSPECTION, PILOT FOUND FOD DAMAGE ON TAIL ROTOR BLADE APPEARING TO BE FROM A BOLT.Oct 26, 2013 · N39LR · Bell 206L1 · Tail Rotor BladesSDR 2013FA0000494Nozzle · brokenPILOT NOTED A +5 DEGREE ON POWER CHECK AND AT TIMES DID NOT FEEL THAT THE ENGINE WAS PRODUCING FULL POWER. UPON REMOVING THE ENGINE INLET COWLING A 1.7500" PIECE OF TUBING WITH A 90 DEGREE BEND WAS FOUND INSIDE THE INLET SCREEN AREA ON THE SCREEN FLOOR. THEAug 26, 2013 · N206SL · Bell 206L1 · Fuel Injector NozzleSDR EVCA2012091200035Chip Detector · brokenTRANSMISSION CHIP DETECTOR HOUSING HEAD BROKEN OFF FROM BODY.Sep 8, 2012 · N279AE · Bell 206L1 · Main Rotor GearboxSDR CA120328006Washer · worn(CAN) DURING 100-HR PERIODIC INSPECTION IT WAS NOTICED THAT THE TAIL ROTOR BELLCRANK AT THE END OF THE TAILBOOM WHICH ACTUATES THE PITCH CHANGE MECHANISM HAD A LARGE AMOUNT OF AXIAL PLAY CAUSING THE BELLCRANK TO "FLOAT" WITHIN ITS ATTACHMENT. UPON REMOVAL OF Mar 27, 2012 · Bell 206L1 · Tail Rotor Drive SystemSDR CA110506005Erosion Shield · debondedON ANNUAL INSP THE EROSION STRIP OF THE MAIN ROTOR BLADE TIP CAP ASSY WAS FOUND DEBONDED & SEPARATING ON MAIN ROTOR BLADE PN 206-015-001-107 SN A-2908. MAIN ROTOR BLADE WAS REMOVED FROM SERVICE & A LOANER INSTALLED. BLADE WAS SENT TO MFG CERTIFIED REPAIR STATIApr 14, 2011 · Bell 206L1 · Main Rotor BladesSDR EVCA00010Blade · leakingCONSTANT WEEPING FROM THE (RED) MAIN ROTOR BLADE VENT HOLE - CONSTANT STREAK.Dec 12, 2010 · N258AE · Bell 206L1 · Main Rotor BladesSDR CA100621003Drive Shaft · bentDURING GROUND RUNS, A NOISE AND VIBRATION FELT IN THE AFT BAGGAGE COMPARTMENT, INVESTIGATION FOUND THE SHORT STEEL SHAFT TO BE BENT .007" AT THE AFT COUPLING END, A REPLACEMENT SHAFT INSTALLED AND VIBRATION ELIMINATED. CAUSE OF SHAFT OUT OF TOLERENCE UNKNOWN.Jun 18, 2010 · Bell 206L1 · Tail Rotor Drive ShaftSDR 2010FA0000218Transmission · making metalCHECKED TRANSMISSION CHIP DETECTOR AFTER CHIP LIGHT ILLUMINATED ON APPROACH TO LANDING. SMALL PIECE OF METAL FOUND ON CHIP DETECTOR , CLEARED BY MX, 30 MIN GROUND RUN PROVED NO MORE METAL ON CHIP PLUG. MOVED ACFT TO NEW LOCATION, .1 FLIGHT TIME REINPECTED CHIPMar 8, 2010 · N27AE · Bell 206L1 · Main Rotor GearboxSDR 2010F00056Support · crackedDURING THE PRELIMINARY INSP OF UNRELATED MX, THE INSPECTOR FOUND THE PILOT'S YOKE SUPPORT TO HAVE A RADIAL CRACK EXTENDING FROM THE RELIEF HOLE APPROX .3750". THIS IS ONE OF 4 SIMILAR UNITS DISCOVERED AT THIS TIME.Mar 2, 2010 · N108AE · Bell 206L1 · Fuselage Miscellaneous StructureSDR 2010F00055Support · crackedRADIAL CRACK WAS DISCOVERED IN THE BASE OF THE UNIT AT THE RELIEF HOLE. CRACK IS APPROX .25" LONG. THIS SUPPORT ATTACHES THE PILOT'S YOKE TO THE FLOOR OF THE ACFT.Mar 2, 2010 · N139AE · Bell 206L1 · Fuselage Miscellaneous StructureSDR 2010F00062Support · crackedCRACK IN NECK OF PART AT RELIEF HOLE. CRACK IS 0.9" LONG. PART CONNECTS PILOT'S YOKE TO ACFT FLOOR.Mar 2, 2010 · N229AE · Bell 206L1 · Fuselage Miscellaneous StructureSDR CBR2010F00000Engine · power lossWHILE IN CRUISE FLIGHT, RETURNING FROM SIGHTSEEING TOUR, PILOT NOTICED THE N2/NR LOWER THAN NORMAL. THE PILOT MADE SEVERAL COLLECTIVE ADJUSTMENTS IN AN ATTEMPT TO BRING THE RPM UP, WHICH RESULTED IN A FURTHER DECAY OF THE RPM TO 94 PERCENT. AFTER RADIO CONSUNov 16, 2009 · Bell 206L1 · Engine (Turbine/Turboprop)SDR CA090728015Drive Shaft · leakingINPUT SEAL ON HELICOPTER MAIN TRANSMISSION LEAKED OIL WHICH WASHED MAIN DRIVESHAFT COUPLING GREASE THROUGH SHAFT AND INTO ENG COMPARTMENT. GREASE WAS DISCOVERED ON DAILY INSP BY PILOT AND HELICOPTER WAS GROUNDED FOR FURTHER INSP. THERE WAS NO INDICATION OF OJul 6, 2009 · Bell 206L1 · Main Rotor GearboxSDR CA090728016Control Tube · cracked(CAN) THE HELICOPTER TRANSMISSION HAD BEEN REMOVED WITH THE FLIGHT CONTROL SUPPORT INTACT AND WAS ON THE BENCH IN THE O/H SHOP. A TECH THAT WAS INSPECTING THE CONDITION OF THE TRANSMISSION AND ATTACHED FLIGHT CONTROLS NOTICED THE CRACKED PART. THERE WERE 2 CJul 6, 2009 · Bell 206L1 · Main Rotor ControlSDR CA090325008Bolt · failedMEDIUM DENSITY MAGNETOMETER SURVEY ARRAY WAS INSTALLED ON THE SUBJECT AIRCRAFT PER STC SH03-32 FOR A SURVEY BEING PERFORMED. WHILE FLYING ON SURVEY ON MARCH 23, 2009, THE PILOT AND OPERATOR HEARD A BANG AND THE PILOT NOTICED A VIBRATION FROM THE ARRAY BOOM STMar 23, 2009 · Bell 206L1 · Fuselage Main, StructureSDR CA081001007Check Valve · dirty(CAN) AFTER A FUEL FILTER REPLACEMENT A 2 MINUTE RUN IS REQUIRED WITH BOOST PUMPS OFF TO ENSURE THERE ARE NO AIR LEAKS IN THE FUEL SYS. DURING THIS 2 MINUTE GROUND RUN THE ENG FLAMED OUT AFTER APP 90 SECONDS INDICATING AN AIR LEAK. FUEL SYS INSPECTED AND THEOct 1, 2008 · Bell 206L1 · Aircraft Fuel Filter/StrainerSDR CA080528003Ring · cracked(CAN) CRACK FOUND ON TAIL BOOM RING DURING ROUTINE INSPECTION.May 23, 2008 · Bell 206L1 · Rotorcraft Tail BoomSDR CA080528004Fitting · cracked(CAN) CRACK DETECTED ON FITTING DURING ROUTINE INSPECTION.May 23, 2008 · Bell 206L1 · Fuselage Structure (General)SDR CA080521002Bearing · cracked(CAN) DURING THE 100 HR INSP A SMALL CRACK WAS FOUND ON THE INBD FEATHERING BEARING ON ONE OF THE TAIL ROTOR BLADES. CRACK WAS NOTICED AS A BLACK LINE AT THE TOP OF THE BEARING. THIS IS A CRACK THAT WAS QUITE COMMON 10-15 YEARS AGO AND SEEMS TO HAVE RESURFACEMay 13, 2008 · Bell 206L1 · Tail Rotor BladesSDR EVCA200804118Link · brokenFAILURE OF THE LT REAR TRANSMISSION LINK IN FLIGHT. HEARD NOISE AUTOROTATION TO A SAFE LANDING IN FIELD. INVESTIGATION SHOWED THE LINK HAD SEPARATED, TRANS UP STOP HELD.Apr 10, 2008 · N89AE · Bell 206L1 · Main Rotor Transmission MountSDR EVCA200841008Link · brokenFAILURE OF THE LT REAR TRANSMISSION LINK IN FLIGHT. HEARD NOISE AUTOROTATION TO A SAFE LANDING IN FIELD. INVESTIGATION SHOWED THE LINK HAD SEPARATED, TRANS UP STOP HELD.Apr 10, 2008 · N89AE · Bell 206L1 · Main Rotor Transmission MountSDR EVCA200804108Link · brokenFAILURE OF THE LT REAR TRANSMISSION LINK IN FLIGHT. HEARD NOISE AUTOROTATION TO A SAFE LANDING IN FIELD. INVESTIGATION SHOWED THE LINK HAD SEPARATED, TRANS UP STOP HELD.Apr 10, 2008 · N89AE · Bell 206L1 · Main Rotor Transmission MountSDR CA071001010Bearing Race · cracked(CAN) PILOT REPORTED AN INCREASE OF FORCE REQUIRED TO PUSH THE T/R PEDALS AT 100 PERCENT RPM WHICH EXCEEDED THE OPERATIONAL LIMITS. HOWEVER, AT ZERO RPM THE FORCE WAS NORMAL. IT WAS DETERMINED THAT THE CAUSE WAS ASSOCIATED WITH THE T/R FEATHERING BEARINGS. ISep 22, 2007 · Bell 206L1 · Tail Rotor BladesSDR 75408212007Unknown · odorFUEL ODOR NOTICEABLE AFTER TAKEOFF. THE AIRCRAFT RETURNED TO BASE. MAINTENANCE INSPECTED BELLY, SUMP DRAINS, AND DRAIN PORTS, FOUND NO EVIDENCE OF LEAKS. ALSO, THE MECHANIC INSPECTED BOTH ENGINES FOR EVIDENCE OF FUEL LEAKS, FOUND NONE. MAINTENANCE OPERATIOAug 21, 2007 · N485EC · Bolkms BO105S · Air Distribution SystemSDR CA070822006Transmission · making metal(CAN) SHORTLY AFTER TAKEOFF THE PILOT RECEIVED A CHIP LIGHT ON THE TRANSMISSION. LANDED THE AIRCRAFT. METAL WAS DISCOVERED ON THE SENSOR. THE AIRCRAFT WAS REMOVED FROM SERVICE AND THE TRANSMISSION WAS REPLACED WITH A SERVICEABLE UNIT. AIRCRAFT RETURNED TO SEAug 20, 2007 · Bell 206L1 · Main Rotor GearboxSDR CA070926002Indicator · fluctuates(CAN) THE AC WAS DEPARTING FROM BASE WHEN IT WAS NOTICED THAT THE ENGINE OIL PRESSURE INDICATOR WAS FLUCTUATING. THE PILOT RADIO A PAN TO ATC AND DID A PRECAUTIONARY LANDING. NO INCIDENT ON LANDING. THE ENGINEER WAS DISPATCHED TO THE LANDING SITE AND IT WAS DEJul 26, 2007 · Bell 206L1 · Engine Oil Indicating SystemSDR YTRR116739Fuel Filter · cloggedFUEL FILTER IMPENDING BYPASS SWITCH KEPT ILLUMINATING CAUTION LIGHT. ON INSPECTION OF FILTER NO CLOGGING WAS NOTED. FILTER WAS REPLACED AND BYPASS LIGHT ILLUMINATED AGAIN. FILTER HOUSING WAS REPLACED AND DISCREPANCY WAS CLEARED.Jul 22, 2007 · N598RL · Bell 206L1 · Aircraft Fuel Filter/StrainerSDR HEER117233Bearing · separatedDURING A DAILY INSPECTION TECHNICIAN FOUND BEARING CAGE SEPARATED AT THE RIVETS. ALSO FOUND SEALS OUT OF THEIR RESPECTIVE RETENTION GROOVES. REQUEST THAT SHAFT ASSY BE SENT TO MFG FOR EVALUATION TO FILAB. REPLACED SHAFT ASSY WITH NEW.Jun 11, 2007 · N2249Z · Bell 206L1 · Tail Rotor Drive ShaftSDR CM2R747KBellcrank · brokenBEARING AND BOLT FAILED IN THE ELEVATOR BELLCRANK P/N 5360801-4. CENTER BEARING THAT SUPPORTS THIS BELLCRANK FAILED. BEARING IS P/N MS27640-4. BOLT P/N AN4-14 WAS SEVERELY WORN AND BROKEN IN TWO. IF EITHER END OF THE BOLT SLIPPED OUT OF THIS BELLCRANK, THMay 1, 2007 · N397R · Cessna 340A · Elevator Control SystemSDR CA070105004Combustion Case · cracked(CAN) DURING A 200 HR INSPECTION A CRACK WAS FOUND IN THE ARM PIT AREA OF THE OUTER COMBUSTION CASE. CASE REPLACED. (TC NR 20070105004)Jan 5, 2007 · Bell 206L1 · Turbine Engine Combustion SectionSDR CA070105005Impeller · cracked(CAN) 300 HR NDT FOUND CRACKS IN THE WEB AREA. PART REPLACED. (TC NR 20070105005)Jan 5, 2007 · Bell 206L1 · Engine Oil CoolerSDR CA061207004Oil Cooler · leaking(CAN) ON AIRCRAFT RETURNING TO BASE IT WAS NOTED THAT THERE WAS OIL ON THE TAILBOOM. ON INVESTIGATION THE SOURCE OF THE OIL WAS FOUND TO BE THE OIL COOLER. COOLER CHANGED. (TC NR 20061207004)Dec 7, 2006 · Bell 206L1 · Engine Oil CoolerSDR CA061124011Collector · cracked(CAN) DURING ENGINE MAINTENANCE, THE HORIZONTAL FIRESHIELD WAS REMOVED AND (2) CRACKS WERE NOTED AT THE 5 O`CLOCK AND 7 O`CLOCK POSTION IN THE EXHAUST COLLECTOR. TURBINE REMOVED REPAIRED RE-INSTALLED. (TC NR 20061124011)Nov 14, 2006 · Bell 206L1 · Engine Collector/Tailpipe/NozzleSDR HEEA109567Engine · malfunctionedDURING CLIMB OUT AT APPROXIMATELY 400 FEET, 60 KNOTS, AND 80 TORQUE HEARD A LOUD BANG THAT CAME FROM THE REAR OF THE HELICOPTER. THIS WAS FOLLOWED BY A SLIGHT LEFT YAW AND A RAPID LOSS OF ROTOR RPM. AN AUTOROTATION WAS ACCOMPLISHED. DURING THE DECENT THE TJun 1, 2006 · N5007N · Bell 206L1 · Engine (Turbine/Turboprop)SDR CA060504008Blade · out of toleranceTHE BLADE WAS SENT TO ROTOR BLADES INCORPORATED FOR INSPECTION AS REQUIRED BY ASB 206L-04-127 REVISION C PART 3 AND BY AD CF-2004-05R1 PART D. ROTOR BLADES INCORPORATED HAS REPORTED THAT THE BLADE HAS FAILED THE INSPECTION AND IS BELOW TOLERANCE. THE BLADE ISMay 3, 2006 · Bell 206L1 · Tail Rotor BladesSDR CA060403010Tube · brokenPILOT HEARD A BIG "BANG" FROM ENGINE AND LOST POWER. THE PILOT LANDED IN THE BUSH WITHOUT DAMAGING THE A/C. AFTER THE INSPECTION OF THE COMPRESSOR BY THE MECHANIC, FOUND THE COMPRESSOR IN BAD SHAPE, CONFIRMED FOD WAS IN TO THE COMPRESSOR. MECHANIC CHECKED AMar 26, 2006 · Bell 206L1 · Turbine Engine Compressor SectionSDR CA060227005Support · crackedON REMOVAL OF TURBINE SECTION FROM ENGINE ASSY ONE OF THE FWD SUPPORT STUTS WAS FOUND TO BE CRACKED. TURBINE ASSY SENT FOR REPAIR. RECOMMEND BETTER VISUAL INSPECTIONS ON SCHEDUELED INSPECTIONS AND POSSIBLY VIBRATION CHECKS.Feb 24, 2006 · Engine Mount SectionSDR CA060120002Bearing Race · corroded(CAN) ON A SCHEDULED 1200 HR M/R CORROSION INSPECTION THE INNER RACE OF THE M/R TRUNNION BEARING WAS FOUND TO BE SEVERLY CORRODED TO THE POINT THAT THE INNER RACE WAS CRACKED. THIS BEARING RACE IS THERMALLY PRESS FIT AND THE TIGHT TOLLERANCE, SEVERE CORROSION Jan 17, 2006 · Bell 206L1 · Main Rotor HeadSDR ALG2006F00006Engine · flamed outON FIRST START OF THE DAY, ENGINE FLAMED OUT. THIS EVENT WAS FOLLOWED BY 2 MORE FAILED START ATTEMPTS. MAINTENANCE INSPECTED THE ENGINE AND ASSOCIATED SYSTEMS WITH NO DEFECTS NOTED. THE FUEL NOZZLE WAS RESHIMED. AFTER 2 SUCCESSFUL STARTS THE AIRCRAFT WAS RJan 4, 2006 · N2759N · Cessna STC206C · Engine (Turbine/Turboprop)SDR CA060105003Mast · making metalM/R MAST WAS REPLACED 4 HOURS PREVIOUSLY. PILOT HAD A TRANSMISSION CHIP LIGHT AND NOTIFIED TOWER OF LANDING DUE TO A MX PROBLEM. ENGINEER INSPECTED F/W, TRANSMISSION, AND MAST CHIP DETECTORS. FOUND HAIR LIKE SLIVER ON THE UPPER MAST BRG CHIP DETECTOR AND ONDec 8, 2005 · Bell 206L1 · Main Rotor Mast/SwashplateSDR ALG2005F00081Lens · missingIN CRUISE FLIGHT, FELT BUMP IN T/R PEDALS, UPON LANDING, NOTIFIED MAINTENANCE. INSPECTION OF AIRCRAFT BY MAINTENANCE FOUND THE UPPER WHITE STROBE LENS MISSING AND DAMAGE TO ONE TAIL ROTOR BLADE. INSTALLED NEW WHITE LENS AND REPLACED THE T/R ASSY WITH A SERVIOct 19, 2005 · N3190P · Bell 206L1 · Exterior LightingSDR ALG2005F00082Beam · elongatedIN CRUISE FLIGHT, PILOT HEARD A NOISE IN THE AIRFRAME. UPON LANDING NOTIFIED MAINTENANCE. INSPECTION OF AIRCRAFT BY MAINTENANCE FOUND THE RT NOODLE BEAM ARM ASSY HOLES ELONGATED AT WEIGHT BOLTS. REMOVED AND REPLACED ARM ASSY WITH SERVICEABLE UNIT IAW MM. (Oct 19, 2005 · N3186P · Bell 206L1 · Main Rotor Transmission MountSDR CA051005004Fitting · cracked(CAN) CRACKED FITTING ON TAILBOOM PN 206-033-004-045 AFMA FITTING P/N 206-031-403-005Oct 4, 2005 · Bell 206L1 · Rotorcraft Tail BoomSDR ALG2005F00076Transmission · making metalDURING CRUISE FLIGHT, TRANSMISSION CHIP LIGHT ILLUMINATED. PILOT LANDED ASAP AND PERFORMED CHIP PLUG CHECK IAW THE OPS MANUAL PROCEDURE, WHILE IN COMMUNICATION WITH MAINTENANCE. UPON COMPLETION OF 30 MINUTE PENALITY RUN AND LEAK CHECK, AC WAS FLOWN. MAINTENSep 17, 2005 · N3188P · Bell 206L1 · Main Rotor GearboxSDR CA051003011Clip · disconnected(CAN) DURING DESCENT, CNTRL N2 SPEED W/ACTUATOR TRIM SWITCH, PILOT (BEEPED) N2 SPEED DOWN. N2 SPEED REDUCED BELOW LIMITS, APPROX 70 PERCENT. AT THIS N2 SPEED ENG IS UNABLE TO PRODUCE REQUIRED PWR FOR NML OPS. PILOT ATTEMPTED TO (BEEP) N2 SPEED UP, GOV DID NOT Sep 16, 2005 · Bell 206L1 · Turbine GovernorSDR CA051003003Bleed Valve · malfunctioned(CAN) TOT RUNNING TO WARM. BLEED VALVE STICKING OPEN. BLEED VALVE CHANGE PROBLEM GOES AWAY.Sep 11, 2005 · Bell 206L1 · Compressor Bleed Valve
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