Cessna 407

Service difficulty reports · 6,813

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 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 ALGA096933Gear · spalledREMOVED GEAR DUE TO SPALLING AT LOW TIME, REPLACED PART WITH NEW ITEM.Jun 27, 2004 · N617AL · Bell 407 · Main Rotor GearboxSDR ALGA096951Pinion Gear · spalledSPALLING ON GEAR TEETH, THIS IS A RECURRING PROBLEM IN C47B GEARBOXS, WHERE PINION GEARS WEAR PREMATURELY. REPLACED WITH NEW GEAR.Jun 26, 2004 · N617AL · Bell 407 · Main Rotor GearboxSDR ALG2004F00044Transmitter · malfunctionedON SECOND TAKE OFF OF THE DAY, ON TAKE OFF FROM LOOP OPS GALLIANO, TORQUE GAUGE READ ERRATIC AND EXCEEDED LIMITS. LANDED AND REFERRED TO MAINTENANCE. MAINTENANCE REMOVED AND REPLACED THE TORQUE TRANSMITTER, OPS CHECK WAS GOOD.Jun 25, 2004 · N557AL · Bell 407 · Rotor Drive Indicating SystemSDR 2004F00375Odor · detectedIN FLIGHT, DURING FLIGHT OUT TO EI 296 A PAX COMPLAINED OF FUEL ODOR IN THE CABIN. INSPECTED ENGINE AT 100 PERCENT NR, FLEW AIRCRAFT NOTED NO PRESENCE OF FUEL ODOR. INSPECTED PAX CABIN AREA, NO FUEL LEAKS AT BACK WALL, FLOOR AREA, OR UNDER AFT FACING SEATS. Jun 22, 2004 · N537AL · Bell 407 · Air Distribution SystemSDR ALGA095232Gear · spalledSPALLING ON GEAR TEETH. THIS IS A NEW STYLE GEAR AND THIS GEARBOX WAS REMOVED FOR HIGH VIBES. THIS IS A RECURRING EVENT ON C-47 GEARBOXES. REPLACED GEAR W/NEW PART.Jun 10, 2004 · N487AL · Bell 407 · Main Rotor GearboxSDR ALGA095231Gear · spalledSPALLING ON GEAR TEETH, THIS IS A RECURRING EVENT ON C-47 GEARBOXES. REPLACED GEAR W/NEW PART.Jun 10, 2004 · N487AL · Bell 407 · Main Rotor GearboxSDR CA040604004Bearing · rough(CAN) STARTER-GEN, UNDERGOING IMPORT INSPECTION. BEARINGS WERE FOUND TO BE ROUGH AND NOISY WHEN SPUN. REMOVED BEARINGS, FOUND THEM TO BE SUP. ARE MARKED PW203PP C7 FS50000. IAW DATAPLATE, THEY SHOULD BE P/N 03-6009-23 (MOD B). THE SOURCE OF THE LAST OVERHJun 2, 2004 · Bell 407 · Starter-GeneratorSDR ALGA094925Flange · elongatedELONGATION FOUND ON BOLT HOLES OF ADAPTER P/N: 406-040-542-107. REPLACED WITH NEW PART.May 31, 2004 · N437AL · Bell 407 · Engine/Transmission CouplingSDR CA040601001Bellcrank · damagedBELLCRANK FOUND WITH HOLES (.2495 - .2505 DIA.) OVERSIZE AND OVAL RANGING FROM .253 TO .275. (3 PLACES).May 28, 2004 · Bell 407 · Tail Rotor Control SystemSDR ALGA094801Bearing · bindingEXCESSIVE AXIAL WEAR AND BINDING. REPLACED WITH NEW PART, BY FIELD MAINT.May 25, 2004 · N408AL · Bell 407 · Main Rotor HeadSDR ALGA094697Tach Generator · wornFOUND SPLINES INSIDE ARMATURE AND ON DRIVSHAFT WORN. DISCREPANCY FOUND ON 900HR. INSPECTION.RETURNING PART TO VENDOR FOR WARRANTY.May 21, 2004 · N5NBFG · Bell 407 · Main Rotor GearboxSDR ALGA094571Bearing · ratchetingEXCESSIVE AXIAL PLAY AND RATCHETY.REPLACED WITH NEW PART.May 18, 2004 · N436AL · Bell 407 · Main Rotor ControlSDR ALG2004F00028Mount · wornDURING TIME CHANGE OF ENGINE ASSEMBLY. REAR ENGINE MOUNT BEARING ON THE SUPPORT HAS EXCESSIVE WEAR, ALSO THE BEARING HOUSING HAS EXCESSIVE PLAY WHICH IS BEYOND LIMITS.May 13, 2004 · N527AL · Bell 407 · Engine Mount SectionSDR ALGA094419Cover · defectiveGEARBOX COVER REMOVED DUE TO IMPROPER REPAIRS AT TACH/GEN BORE. SENT PART TO VENDOR FOR WARRANTY REPAIR.May 7, 2004 · N5NBEM · Bell 407 · Accessory GearboxesSDR HEEA095229Windshield · bird strikeBIRD STRIKE WHILE LANDING AT VEN NOBLE. MAINTENANCE REPLACED RT WINDSHIELD. NO OTHER DAMAGE TO AIRCRAFT.May 6, 2004 · N723PH · Bell 407 · Flight Compartment WindowsSDR ALGA094414Universal · ratchetingFOUND BEARING ROUGH AND RATCHETY. REPLACED WITH NEW PART.May 6, 2004 · N403AL · Bell 407 · Main Rotor BladesSDR ALGA094404Yoke · delaminatedFOUND DELAMINATION ON YOKE ARM. REPLACED WITH SERVICABLE PART.May 5, 2004 · N408AL · Bell 407 · Main Rotor HeadSDR ALGA094405Stud · crackedFOUND 8 CRACKED STUDS. REPLACED WITH NEW STUDS.May 5, 2004 · N408AL · Bell 407 · Main Rotor HeadSDR ALGA094321Bearing · spalledTRANSMISSION DISASSEMBLED FOR METAL CONTAMINATION, FOUND BEARING BREAKING DOWN. REMOVED AND REPLACED BEARING.May 3, 2004 · N557AL · Bell 407 · Main Rotor GearboxSDR CA040816004Combustion Liner · cracked(CAN) CRACK FOUND DURING REMOVAL FOR UNRELATED SCHEDULED MAINTENANCE.Apr 27, 2004 · Bell 407 · Turbine Engine Combustion SectionSDR ALGA094233Skid · brokenTHE TAIL SKID BROKE AT RETAINING HOLE AND A PORTION OF SKID DEPARTED AIRCRAFT. FATIGUE CRACK APPEARS TO HAVE STARTED AT RETAINING HOLES AND PROGRESSED AROUND BETWEEN 2.25.Apr 22, 2004 · N617AL · Bell 407 · Brake Anti-Skid SectionSDR ALGA094222Universal · wornFOUND EXCESSIVE AXIAL PLAY. REMOVED AND REPLACED WITH NEW PART IN FIELD.Apr 21, 2004 · N697AL · Bell 407 · Main Rotor HeadSDR ALGA094218Universal · ratchetingFOUND EXCESS AXIAL PLAY AND RATCHETY. UNIT REPLACED WITH NEW BY FIELD MAINT.Apr 21, 2004 · N457AL · Bell 407 · Main Rotor HeadSDR ALG2004F00020Hmu · unserviceableFUEL FUMES WERE NOTED IN THE AFT RT PORTION OF THE PASSENGER COMPARTMENT. NOTED TO BE STRONG, SO DIVERTED TO HAVE IT CHECKED. MAINTENANCE REMOVED HAD BIN AND FUEL VALVE ACCESS PANEL. WITH BATTERY POWER ON, BOOST PUMPS RUNNING AND FUEL VALVE OPEN NOTED HEAVYApr 20, 2004 · N537AL · Bell 407 · Fuel Controlling SystemSDR EOPR094205Starter Gen · failedGENERATOR FAILED IN FLIGHT. LANDED AT NEXT OPPORTUNITY TO FIND GENERATOR BITS AND PIECES ON ENGINE DECK AND EVIDENCE OF OVERHEATING/MELTED METAL. REMOVED AND REPLACED STARTER WITH SERVICEABLE UNIT. CHECKED ENGINE CHIP DETECTORS FOR CONTAMINATION AND RAN ENGIApr 15, 2004 · N847AL · Bell 407 · Starter-GeneratorSDR ALGA094182Gear · spalledGEAR HAS HEAVY SPALLING. REMOVED AND REPLACED W/SERVICEABLE PART.Apr 15, 2004 · N537AL · Bell 407 · Main Rotor GearboxSDR ALGA094181Gear · spalledGEAR HAS HEAVY SPALLING. REMOVED AND REPLACED W/SERVICEABLE PART.Apr 15, 2004 · N537AL · Bell 407 · Main Rotor GearboxSDR ALGA094108Bearing · defectiveHBMV FAULT LIGHT NR 2 BEARING (AFT) REMOVED AND REPLACED WITH NEW PART.Apr 12, 2004 · N547AL · Bell 407 · Tail Rotor Drive ShaftSDR ALGA094103Universal · ratchetingROUGH AND RATCHETY. REMOVED AND REPLACED WITH NEW PART.Apr 8, 2004 · N436AL · Bell 407 · Main Rotor HeadSDR CA040816007Combustion Liner · cracked(CAN) CRACK FOUND IN COMBUSTION LINER WHEN REMOVED FOR TURBINE INSPECTION. NO CRACKS ALLOWED IN THIS AREA.Apr 6, 2004 · Bell 407 · Turbine Engine Combustion SectionSDR BAQA094018Fuel Nozzle · intermittentREASON FOR REMOVAL STATES ENG HANG STARTS INTER. MEANS INTERMITTENT HUNG STARTS. I HAVE ENCLOSED A COPY OF THE ENGINE ASSY CARD. SO IT SHOWS YOU THAT THE REMOVED NOZZLE WAS INSTALLED 1/12/04 ENGINE TSN 8.1 REMOVED 3/24/04 ENGINE TSN 97. WHICH IT ONLY LASTEDApr 1, 2004 · N302LE · Bell 407 · Fuel Injector NozzleSDR CA040413006Blade · contaminated(CAN) ONE TAILROTOR BLADE FOUND TO HAVE ABSORBED WATER, THROWING THE TAIL ROTOR OUT OF BALANCE AND CREATING EXCESSIVE VIBRATIONS.Mar 25, 2004 · Bell 407 · Tail Rotor BladesSDR ALGA093945Bearing · bindingBEARING ROUGH AND BINDING.Mar 25, 2004 · N617AL · Bell 407 · Main Rotor HeadSDR CA040331001Doubler · delaminated(CAN) HORIZONTAL STAB. WAS FOUND WITH AN EDGE DELAMINATION BETWEEN THE STAB TOP SKIN AND THE -123 DOUBLER AT 1.85.Mar 23, 2004 · Bell 407 · Horizontal Stabilizer StructureSDR ALGA093891Bearing · damagedFOUND GREASE DISCOLORATION ON NR 2 BEARING HBVM LIGHT.Mar 22, 2004 · N547AL · Bell 407 · Tail Rotor Drive ShaftSDR ALG2004F00015Indicator · failedDURING TAKE OFF FUEL QUANTITY GUAGE LOST POWER, RECYCLED QUANTITY CIRCUIT BREAKER 3 TIMES, QUANTITY INDICATOR CAME ON AND AT THE SAME TIME RT TRANSFER PUMP CAUTION ILLUMINATED. RECYCLED RT PUMP CIRCUIT BREAKER BUT COULD NOT EXTINGUISH TRANSFER PUMP LIGHT. QUMar 20, 2004 · N647AL · Bell 407 · Fuel Indicating SystemSDR ALG2004F00013Spring · misalignedSLIGHT VIBRATION ON LANDING, CHECKED ROTOR SYSTEM ON POST FLIGHT AND FOUND FRAHM DAMPER SPRING MISALIGNED. MAINTENANCE FOUND BROKEN SPRING IN FRAHM DAMPER. REMOVED AND REPLACED FRAHM DAMPER.Mar 10, 2004 · N577AL · Bell 407 · Main Rotor HeadSDR CA040816005Combustion Liner · cracked(CAN) COMBUSTION LINER FOUND CRACKED DURING TURBINE REMOVAL. NO CRACKS ALLOWED IN THIS AREA.Mar 4, 2004 · Bell 407 · Turbine Engine Combustion SectionSDR BAQA093856Inverter · inoperativeWARRANTY. UNIT IS NOT GIVING A/C OUTPUT VOLTAGE. REPLACED WITH SERVICABLE UNIT. 03/18/2004Feb 27, 2004 · N302LE · Bell 407 · AC InverterSDR ALG2004F00009Connector · failedWHEN AIRCRAFT WAS PICKED UP TO A HOVER. AS AIRCRAFT CAME TO A HOVER, ENGINE OIL PRESSURE WENT HIGH. AIRCRAFT WAS LANDED BACK ON PAD, SHUT DOWN AND CONTACTED MAINTENANCE. MAINTENANCE REPLACED ENGINE OIL PRESSURE TRANSDUCER, DID NOT FIX PROBLEM. THEN REPLACEFeb 27, 2004 · N607AL · Bell 407 · Engine Oil PressureSDR ALG2004F00008Chip Detector · contaminatedDURING TAKEOFF, TRANSMISSION LIGHT CAME ON FOR 30 SECONDS THEN IT WENT OFF. MAINTENANCE FOUND CARBON PARTICLES ON PLUG, CHANGED FILTER AND OIL GROUND RAN LEAKED CHECK GOOD.Feb 23, 2004 · N627AL · Bell 407 · Main Rotor GearboxSDR 2004FA0000271Bearing · seizedBEARING SEIZED DURING TRAINING FLIGHT, RESULTING IN D/S FAILURE AND LOSS OF T/R CONTROL ALLOWING THE TAIL ROTOR BLADES TO STRIKE TAILBOOM. (WP17200403114)Feb 19, 2004 · N601MT · Bell 407 · Tail Rotor Control SystemSDR ALG2004F00007Wire · damagedWHILE LIFTING OFF FOR TAKE OFF, THE TRANSMISSION TEMPERATURE GAUGE FLUCTUATED FROM 0 TO MAX AND REMAINED AT MAX AFTER THROTTLE REDUCED TO IDLE. MAINTENANCE FOUND SHAFTED WIRE NUMBER E629A22 INSIDE CONNECTOR AT TRANSMISSION TEMPERATURE BULB. REPAIRED WIRE ANFeb 16, 2004 · N697AL · Bell 407 · Instrument System WiringSDR CA040816008Combustion Liner · cracked(CAN) CRACKS FOUND IN OUTER COMBUSTION CASE ARMPIT AREA ON NORMAL DAILY INSPECTION. NO CRACKS ALLOWED IN THIS AREA.Jan 27, 2004 · Bell 407 · Turbine Engine Combustion SectionSDR ALGA091602Stud · crackedFOUND 8 EA. STUDS CRACKED AT BASE OF THREAD SHANK IN RADIUS.Dec 19, 2003 · N497AL · Bell 407 · Main Rotor HeadSDR CA040227005Turbine Wheel · failed(CAN) M 407 HELICOPTER HAD 3RD STAGE TURBINE WHEEL FAILURE IN FLIGHT. AIRCRAFT CRASHED. TURBINE WHEEL PART TIME 1144 HOURS SINCE NEW.Dec 1, 2003 · Bell 407 · Turbine SectionSDR CA031126003Cap · mismanufactured(CAN) FREEWHEEL ASSEMBLIES WERE DISOVERED TO HAVE A MISSING MACHINING FEATURE ON THEIR CAPS 509-101, .188.Nov 26, 2003 · Bell 407 · Engine/Transmission CouplingSDR CA040227004Turbine Wheel · failed(CAN) 3RD TURBINE STAGE WHEEL BLADES SHED IN FLIGHT. PART TIME SINCE NEW : 2852 HOURS. PILOT IDENTIFIED FLIGHT PROBLEM AND LANDED IN AUTOROTATION.Nov 16, 2003 · Bell 407 · Turbine SectionSDR EH12003F00000Bearing · unserviceableUPPER BEARING IN ASSEMBLY BECAME UNSTAKED/LOOSE AND WAS FREE TO MOVE IN/OUT OF BEARING HOUSING. CAUSED BY NORMAL OPS.Nov 14, 2003 · N175P · Bell 407 · Main Rotor ControlSDR E5W2003F00001Stud · crackedCRACK-LIKE INDICATIONS AT STUD RADIUS CONTINUING TO HOLES ON SOME OF THE STUDS. IMPERFECTIONS, DEFECTS DETECTED BY FLUORESCENT PENT.Nov 5, 2003 · N407SM · Bell 407 · Main Rotor Head
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