Cessna 407

Service difficulty reports · 6,813

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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 aircraft_model_key = '407'
  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 M3XA20251013005Windshield · damagedPILOT PERFORMED A SAFE PRECAUTIONARY LANDING FOR A BIRD STRIKE TO THE RIGHT HAND WINDSCREEN WITH PENETRATION. MECHANIC REMOVED WINDSCREEN PN 407-546-522 AND REPLACED WITH NEW WINDSCREEN, SAME PN. NO OTHER DEFECTS NOTED. ACFT RETURNED TO SERVICE.Oct 11, 2025 · N631MT · Bell 407 · Flight Compartment WindowsSDR QMLA2025101120101Engine · making metalENGINE CHIP LIGHT ILLUMINATED IN FLIGHT. UPON INSPECTION, ENGINE WAS FOUND TO BE MAKING METAL. AIRCRAFT CURRENTLY OOS,Oct 8, 2025 · N189AM · Bell 407 · Engine (Turbine/Turboprop)SDR QMLA2025101120102Vent Line · faultedDURING CRUSE THE CREW COULD SMELL FUEL IN THE CABIN. TOOK AIRCRAFT OUT OF SERVICE FOR SCHEDULED MX (LATE START DUE TO AIRCRAFT FLIGHTS) FOR A1042 300/12MO STARTER INSPECTION AND C 0520 100HOUR ICA INSPECTION, FOUND MULTIPLE DISCREPANCIES, UPON FURTHER DISCUSSIOct 7, 2025 · N184AM · Bell 407 · Aircraft Fuel Distribution SystemSDR QMLA2025100720100Blade · crackedCRACKED TAIL ROTOR BLADE, REPLACED TR HUB AND BLADE ASSY.Oct 6, 2025 · N693AM · Bell 407 · Tail Rotor BladesSDR QMLA2025090820093Blower Motor · failedWHILE IN CRUISE FLIGHT, DEBRIS BLEW INTO MY FACE FROM THE PILOT SIDE, AC VENT. SIMULTANEOUSLY A VIBRATION OR RATTLING EMANATING FROM THE FRONT INSTRUMENT SHROUD STARTED AND BEGAN INCREASING IN INTENSITY, AND I DETECTED THE SMELL OF BURNING RUBBER. I TURNED OFFSep 3, 2025 · N693AM · Bell 407 · Air Distribution FanSDR 2026FA0000095Filter · mismanufacturedPERFORMING TRANSMISSION OIL AND FILTER CHANGE, MECHANIC NOTED THAT NEW OIL FILTER WOULD NOT INSTALL ON THE FILTER BOSS. WENT THROUGH INVENTORY AND FOUND THAT A TOTAL OF 10 FILTERS FROM OUR STOCK WOULD NOT FIT ON THE FILTER BOSS.Aug 7, 2025 · N723SF · Bell 407 · Oil ServicingSDR 2026F00041Engine · damagedUNKNOWN INTERNAL ENGINE COMPONENT CAUSING BURNING OF OIL AFTER ENGINE OVERHAUL AND REPLACEMENT OF ALL 4 TURBINE WHEELS.  FIRST OCCURRENCE RECORDED AFTER SMOKE WAS OBSERVED COMING FROM THE EXHAUST WHEN THE AIRCRAFT WAS AT IDLE AND DURING SHUTDOWN AFTER A FLIGHTJul 23, 2025 · N777ZA · Bell 407 · Engine (Turbine/Turboprop)SDR M3XA20250720004Relay · overheatedPILOT PERFORMED A PRECAUTIONARY LANDING FOR A BURNING SMELL IN THE CABIN. DURING INSPECTION OF THE ACFT THE MECHANIC FOUND A RELAY WITH SIGNS OF HIGH HEAT. MECHANIC REPLACED RELAY PN 389FXAXC1-24D. FUNCTION CHECK OK WITH NO FURTHER SMELLJul 20, 2025 · N521RC · Bell 407 · Air Conditioning SystemSDR QMLA2025071520074Unknown · odorDURING REPOSITION FLIGHT TO THE AIRPORT (3 MILES) CREW REPORTED A FUEL SMELL IN THE AIRCRAFT. LANDED AT PLANNED LOCATION, WROTE UP DISCREPANCY, AND CALLED MX.Jul 15, 2025 · N772AL · Bell 407 · Air Distribution SystemSDR HEEA202507160001Unknown · noiseWHILE CLIMBING THROUGH APPROXIMATELY 300 TO 400 FEET AGL, A LOUD BANG WAS OBSERVED, COINCIDING WITH A BRIEF UNCOMMANDED YAW TO THE LEFT.Jul 14, 2025 · N445PH · Bell 407 · Standard Practices/StructuresSDR QMLA2025071420072Wire Harness · chafedTRANSMISSION CHIP LIGHT ILLUMINATED IN FLIGHT.Jul 13, 2025 · N407AM · Bell 407 · Main Rotor Drive System WiringSDR 2025FA0000426Pitch Link · wornRAPID WEAR OF TAIL ROTOR PITCH LINKJun 25, 2025 · N14HX · Bell 407 · Tail Rotor Control SystemSDR EVCA20250530001Blade · damagedCRACK FOUND 3/8" FROM THE AFT BLADE BOLE AREA IN NON-REPAIRABLE AREA OF MAIN ROTOR BLADE.May 28, 2025 · N190AE · Bell 407 · Main Rotor BladesSDR HEEA202505270002Transmission · making metalTRANSMISSION CHIP LIGHT ILLUMINATED IN FLIGHT, RETURNED TO DEPARTURE POINT.May 25, 2025 · N454PH · Bell 407 · Main Rotor GearboxSDR 454A202505284122Unknown · odorCREW NOTICED FAINT SWEET, RUBBERY, BURNING SMELL IN AFT CABIN. THE AIRCRAFT DIVERTED TO A PAFFORD BASE IN CLARKSDALE, MS. REMOVED HAT RACK STORAGE BIN TO GAIN ACCESS TO ELECTRICAL CONNECTORS AND AFT AVIONICS SHELF. INSPECTED ALL ELECTRICAL CONNECTORS AND FOUNDMay 24, 2025 · N611PA · Bell 407 · Air Distribution SystemSDR 2025F00138Hmu · failedRESTART FAULT AND FADEC DEGRADE LIGHT ON SHUTDOWN. REPLACED THE HMU DUE TO SPIKES IN THE POT SWEEP.May 17, 2025 · N662RL · Bell 407 · Fuel Controlling SystemSDR QMLA2025051520055Motor · failedDURING FLIGHT TO HOSPITAL MEDICAL CREW NOTIFIED THE PILOT THAT THEY SMELLED FUMES FROM AN ELECTRICAL SOURCE IN THE CABIN BUT DID NOT SEE ANY SMOKE. AN OFF-SITE LANDING WAS PERFORMED, AND MAINTENANCE NOTIFIED OF THE DISCREPANCY. PILOT REPORTED NO ODOR OR FUMES May 15, 2025 · N160AM · Bell 407 · Air Distribution FanSDR 454A250514115915Vent · blockedDURING FLIGHT, A DISTINCT FUEL SMELL COMING FROM AFT RIGHT SEAT AREA. SMELL WAS STRONG ENOUGH TO MAKE MEDICAL CREW MEMBER WHO IS SITTING IN THAT SEAT NAUSEOUS. PILOT DID NOT SENSE ANY FUEL FUMES. AMT REMOVED STRUCTURAL ACCESS PANELS FOR FUEL SHUT OFF VALVE R/HMay 14, 2025 · N509AA · Bell 407 · Fuel StorageSDR QMLA2025051020054Transmission · warning lightTRANSMISSION MAIN ROTOR CHIP LIGHT.May 9, 2025 · N338AM · Bell 407 · Main Rotor GearboxSDR 2025F00120Blade · crackedDURING A 300 HOUR / 12 MONTH, TAIL ROTOR BLADE SERIAL NUMBER BH349016 WAS TO HAVE SERVAL CRACKS IN THE BLADE TIP.May 8, 2025 · N416CF · Bell 407 · Tail Rotor BladesSDR 2025F00119Blade · crackedDURING A 300 HOUR / 12 MONTH, TAIL ROTOR BLADE SERIAL NUMBER BH349016 WAS TO HAVE SERVAL CRACKS IN THE BLADE TIP.May 8, 2025 · N416CF · Bell 407 · Tail Rotor BladesSDR QMLA202504282005Seal · leakingCREW REPORTED A HAZE IN THE PASSENGER COMPARTMENT WHEN DEFROSTER SYSTEM WAS IN USE, DURING PREFLIGHT OIL WAS FOUND STREAKING OUT OF BLEED VALVE OUTLET/ EXHAUST ON TOP OF THE ENGINE COWLING.Apr 27, 2025 · N184AM · Bell 407 · Compressor Bleed ValveSDR 454A250420215937Blower Motor · failedWHILE ENROUTE TO SENDING FACILITY FOR PATIENT PICKUP PIC ADVISED COMM CENTER THEY WOULD BE ABORTING FLIGHT DUE TO CREW SMELLING SMOKE. PIC MADE A PRECAUTIONARY LANDING IN A SECURE FIELD. THE MECHANIC PERFORMED TROUBLESHOOTING AND FOUND A BAD AFT BLOWER MOTOR.Apr 20, 2025 · N616PA · Bell 407 · Air Distribution FanSDR 8LFA202504240001Compressor · damagedUPON DISASSEMBLY OF ENGINE FOR 2000HR INSPECTION TECHNICIAN FOUND #2 BEARING RETAINER NUT TO BE LOOSE. REMOVED IT BY HAND.Apr 15, 2025 · N410LF · Bell 407 · Turbine Engine Compressor SectionSDR H11A2025062500425Bearing · wornRAPID WEAR OF TAIL ROTOR PITCH LINK BEARINGApr 10, 2025 · N46HX · Bell 407 · Tail Rotor Control SystemSDR QMLA2025040920048Oil System · leakingEXCESS OIL OBSERVED DRIPPING FROM AFT-MOST BOTTOM DRAIN TUBE.Apr 9, 2025 · N927AM · Bell 407 · Turbine Engine Oil SystemSDR HEEA202504100001Transmission · making metalENROUTE TO SM76, TRANSMISSION CHIP LIGHT ILLUMINATED INFLIGHT. CONTACTED COMM CENTER AND FOUND NEAREST AVAILABLE PLATFORM TO LAND. NO SECONDARY INDICATIONS. DAY MECHANIC PERFORMED CHIP LIGHT INVESTIGATION OFFSHORE. CLEANED AND INSPECTED TRANSMISSION CHIP DETECApr 7, 2025 · N448PH · Bell 407 · Main Rotor GearboxSDR EVCA033025Fuel · odorSMELLING FUEL ON TAKEOFF.Mar 27, 2025 · N481AE · Bell 407 · Air Distribution SystemSDR QMLA2025032720041Rotor Head · crackedCRACK FOUND ON MAIN ROTOR HUB BEARING ADAPTER ASSY ON DIAMOND BLADE. REPLACED MRH ASSY.Mar 27, 2025 · N184AM · Bell 407 · Main Rotor HeadSDR 454A2025040105537Duct · contaminatedJUST A FEW MILES AFTER TAKING OFF FROM BASE, PIC ADVISED OVER RADIO THAT THEY WOULD BE HEADED BACK TO KGRI DUE TO THE CREW SMELLING FUMES IN THE CABIN. ONCE LANDED PIC CONTACTED OCC AND ADVISED CREW WAS SMELLING OIL/EXHAUST LIKE FUMES AND IT STARTED TO MAKE THMar 26, 2025 · N509AA · Bell 407 · Air Distribution SystemSDR QMLA2025032720042Chip Detector · contaminatedT/R CHIP CAUTION LIGHT ILLUMINATED MOMENTARILY DURING FLIGHT. (10 SECONDS OR LESS) CLEANED CHIP DETECTOR. THIS AIRCRAFT HAS BEEN RETURNED TO REVENUE SERVICE, REF # MEC-007504.Mar 25, 2025 · N901NM · Bell 407 · Tail Rotor GearboxSDR QMLA2025032120038Warning Light · illuminatedTRANSMISSION CHIP LIGHT ILLUMINATEDMar 21, 2025 · N775AL · Bell 407 · Rotor Drive Indicating SystemSDR 454A250320101635Fuel Cap · leakingPILOT REPORTED SMELLING FUEL DURING FLIGHT. UNSCHEDULED LANDING AT TUNICA AIRPORT (KUTA). PERFORMED POST-FLIGHT WALK AROUND AND FOUND FUEL ON THE R/H SIDE OF THE AIRCRAFT. PERFORMED INSPECTIONS, GROUND RUNS AND AN IN FLIGHT CHECK. COULD NOT FIND THE SOURCE OF Mar 19, 2025 · N694PA · Bell 407 · Fuel StorageSDR QMLA2025031720036Chip Detector · contaminatedINTERMITTENT TRANSMISSION CHIP LIGHT IN FLIGHT. FOUND SMALL SLIVERS ON LOWER CHIP DETECTOR. AMOUNT AND TYPE CONSIDERED NEGLIGIBLE. - CHANGED FILTER.Mar 17, 2025 · N697AM · Bell 407 · Main Rotor GearboxSDR QMLA2025031420035Crossover Tube · shearedFOUND FWD CROSS-TUBE, LH SIDE ABOVE SADDLE SHEARED. THE DISCREPANCY WAS FOUND WHEN ATTACHING FRONT GROUND HANDLING WHEELS.Mar 14, 2025 · N224AM · Bell 407 · Main Landing GearSDR EVCA20250307001Pitch Link · debondedBLUE MAIN ROTOR PITCH LINK, UPPER ROD END INSERT DE-BONDED. REMOVED BLUE MAIN ROTOR PITCH LINK PN:406-010-413-139, SN:US4717 IN REFERENCE TO DMC-407-A-67-13-0400A-520A-A, ISSUE 001 - 2020/01/06. INSTALLED SERVICEABLE PITCH LINK PN: 406-010-413-137, SN:TI1332 Mar 6, 2025 · N497AE · Bell 407 · Main Rotor Mast/SwashplateSDR M3XA202502275001Window · failedPILOT REPORTED BIRD STRIKE THAT BROKE THE PILOTS LH SIDE WINDSCREEN. PRECAUTIONARY LANDING WITHOUT INCIDENT.Feb 25, 2025 · N242MT · Bell 407 · Flight Compartment WindowsSDR QMLA2025022420024Heater · smokeHEATER BLOWS SMOKE ( CORRECTIVE ACTION ) PREFORMED DETAILED INSPECTION OF HEATER BLEED AIR SYSTEM. FOUND TRACES OF OIL IN LINES. FLUSHED BLEED AIR LINES. PREFORMED OPERATION CHECK OF HEATER SYSTEM. NO DEFECTS NOTED. AIRCRAFT IS APPROVED FOR RETURN TO SERVICE.Feb 24, 2025 · N184AM · Bell 407 · Heating SystemSDR QMLA2025021320017Unknown · odorSMELL OF FUEL IN CP, UNABLE TO DUPLICATE ON THE GROUND.Feb 13, 2025 · N693AM · Bell 407 · Air Distribution SystemSDR 2025FA0000102Grease Fitting · defectiveGREASE FITTING ON MAIN ROTOR PITCH LINK UNIVERSAL BEARING WOULD NOT ACCEPT GREASE BUT WOULD PURGE GREASE. UPON FURTHER INVESTIGATION, THE FITTING APPEARS TO HAVE BEEN ASSEMBLED INCORRECTLY WITH THE STOPPER BALL ON THE INSIDE OF FITTING WITH THE SPRING PRESSINFeb 13, 2025 · N7160V · Bell 407 · Fuselage Structure (General)SDR QMLA2025021320016Warning Light · illuminatedPILOT DETECTED LEFT FUEL BOOST LIGHT IN FLIGHT.Feb 13, 2025 · N941AM · Bell 407 · Central WarningSDR EVCA2025020700025Unknown · odorFUEL SMELL IN CABIN. NO FAULTS WERE NOTED.Feb 6, 2025 · N481AE · Bell 407 · Air Distribution SystemSDR 454A20250203694Heater · blockedAIRCRAFT WAS ENROUTE FROM MONTICELLO MUNICIPAL AIRPORT FOR A PATIENT TRANSPORT. 10 MINUTES INTO THE FLIGHT, THE CREW REPORTED FUMES IN THE CABIN AREA. THE PIC DECIDED TO MAKE AN UNSCHEDULED LANDING AT MCGEHEE MUNICIPAL AIRPORT AS A PRECAUTIONARY MEASURE TO HAVFeb 2, 2025 · N531PA · Bell 407 · Heating SystemSDR EVCA202501310003Motor · failedAIR CONDITIONER TURNED OFF IN FLIGHT FOLLOWED BY A BURNING SMELL DUE TO FAILED BLOWER MOTOR.Jan 31, 2025 · N481AE · Bell 407 · Air Distribution FanSDR EVCA2025013000002Engine · fodSMOKE FROM HEATING SYSTEM WHEN HEAT IS ON. SMOKE CLEARS WHEN TURNED OFF. UPON INSPECTION OF ENGINE FOR SMOKE, FOUND ENGINE HAS FOD DAMAGE.Jan 30, 2025 · N906GF · Bell 407 · Engine (Turbine/Turboprop)SDR 2VKA2025020553456Washer · crackedWHILE CHANGING THE TRANSMISSION THE TECHNICIAN DISCOVERED ONE WASHER PN:140-007-25S22E6 CRACKED.Jan 28, 2025 · N561SF · Bell 407 · Fuselage Main, StructureSDR EVCA202501270001Exhaust Duct · crackedPILOT REPORTED A ENGINE CHIP LIGHT. AFTER LANDING OPENED UP ENGINE COWLING AND DISCOVERED VENT LINE WAS BROKEN. EXHAUST WAS CRACKED AND OIL STRUTT STANDOFF WAS CRACKED. BRACKET PN MS9592-133Jan 16, 2025 · N606AH · Bell 407 · Engine Collector/Tailpipe/NozzleSDR EVCA011720252Vent Line · brokenPILOT REPORTED A ENGINE CHIP LIGHT. AFTER LANDING OPENED UP ENGINE COWLING AND DISCOVERED VENT LINE WAS BROKEN.Jan 16, 2025 · N606AH · Bell 407 · Engine Bleed Air SystemSDR QMLA2025011720003Mount · delaminatedPILOT REPORTED AN UNUSUAL VIBRATION IN FLIGHT. AFTER INSPECTING TRANSMISSION CORNER MOUNTS WE FOUND THAT THE LH CORNER MOUNTS WERE DELAMINATING/SEPARATING. WE JUST INSTALLED THESE CORNER MOUNTS ON 10/11/25 AND SHOULDN'T HAVE FAILED ALREADY.Jan 14, 2025 · N189AM · Bell 407 · Main Rotor Transmission MountSDR 8LFA202501154001Bearing Seal · leakingIN FLIGHT, SMOKE ACCUMULATED IN THE CABIN COMING FROM THE HEATING SYSTEM. PILOT TURNED OFF THE HEATING SYSTEM AND SMOKE DISSIPATED. UPON LANDING, IT WAS FOUND #1 BEARING WAS LEAKING AROUND THE SEAL RESULTING IN THE SMOKE IN THE BLEED AIR SYSTEM.Jan 14, 2025 · N448LF · Bell 407 · Engine (Turbine/Turboprop)
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