Bell 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 ALG2005F00069Indicator · failedON CLIMB OUT FROM BASE, TORQUE GUAGE DROPPED TO 2 PERCENT. MAINTENANCE NOTIFIED. REMOVED AND REPLACED ENGINE TORQUE INDICATOR. C/W LEAK CHECK AND GROUND RUN, NOT DEFECTS NOTED. ALL WORK IAW MM. (K)Aug 13, 2005 · N617AL · Bell 407 · Engine BMEP/Torque IndicatingSDR ALG2005F00067Engine · fodON TAKE OFF, HIGH PITCH WHINE WAS NOTED. NOTIFIED MAINTENANCE. INSPECTED ENGINE AND FOUND COMPRESSOR FOD DAMAGE. REMOVED AND REPLACED ENGINE ASSY. GROUND RUN, VIBRATION CHECK, AND LEAK CHECK ALL GOOD. WORK IAW MM. (K)Aug 13, 2005 · N697AL · Bell 407 · Turbine Engine Compressor SectionSDR ALG2005F00064Transmitter · failedON CLIMB OUT FROM BASE, TORQUE GAUGE GRADUALLY DECREASED TO ZERO. MAINTENANCE NOTIFIED. REMOVED TORQUE TRANSMITTER SN 57586518, AND INSTALLED SN 57292141. LEAK AND OPS CHECK GOOD. WORK IAW MM. (K)Aug 12, 2005 · N617AL · Bell 407 · Engine BMEP/Torque IndicatingSDR ALGA105532Pitch Link · wornEXCESSIVE BINDING AND AXIAL PLAY / REPLACED WITH NEW BY FIELD MAINTENANCEAug 12, 2005 · N497AL · Bell 407 · Main Rotor HeadSDR YTRR105446Bearing · wornM/R PC BEARING RADILA AND AXIAL LIMITS BEYOND MANUFACTURERS SPECIFICATIONSAug 12, 2005 · N595RL · Bell 407 · Main Rotor HeadSDR ALGA105220Yoke · crackedM/R YOKE CRACKED (RED) ARM / REPLACED WITH SERVICEABLE YOKEAug 7, 2005 · N647AL · Bell 407 · Main Rotor HeadSDR M3XA2005508MTAnnunciator · burnedDURING CRUISE FLIGHT RETURNING TO BASE, THE PILOT SMELLED SMOKE AND NOTICED PUFFS OF SMOKE COMING FROM THE INSTRUMENT PANEL/CAUTION AND WARNING PANEL AREA. IMMEDIATELY LANDED AND EVACUATED THE AIRCRAFT. AFTER SHUTDOWN, NOTICED THE CIRCUIT BREAKER FOR THE CAUAug 6, 2005 · N508MT · Bell 407 · Central WarningSDR ALG2005F00058Bleed Valve · failedDURING OPS FLIGHT CHECK, WHILE ACCELERATING, (CHECK INSTRUMENT LIGHT) ILLUMINATED, THE PILOT IMMEDIATELY REDUCED POWER AND THE COMPRESSOR STALLED. PILOT RETURNED TO BASE AND NOTIFIED MAINTENANCE. THE MECHANIC REMOVED AND REPLACED THE BLEED VALVE AND THE AC WAug 4, 2005 · N547AL · Bell 407 · Compressor Bleed ValveSDR YTRR104995Bearing · out of limitsM/R PC LINK BEARING AXIAL AND RADIAL MOVEMENT BEYOND LIMITSJul 28, 2005 · N594RL · Bell 407 · Main Rotor HeadSDR YTRR104994Bearing · out of limitsM/R PC LINK BEARING AXIAL AND RADIAL MOVEMENT BEYOND ALLOWABLE LIMITSJul 28, 2005 · N594RL · Bell 407 · Main Rotor HeadSDR ALGA105176Pitch Link · ratchetingRATCHETY AND ROUGH / REPLACER WITH NEW BY FIELD MAINTENANCE.Jul 25, 2005 · N477AL · Bell 407 · Main Rotor HeadSDR ALGA104923Pitch Horn · corrodedEXCESSIVE PITTING FROM CORROSION BEYOND LIMITS / INSTALLED 2EA NEW PITCH HORNS BY OVERHAUL SHOP.Jul 22, 2005 · N557AL · Bell 407 · Tail Rotor SystemSDR ALG2005F00048Transmission · making metalIN FLIGHT TRANSMISSION, CHIP LIGHT ILLUMINATED, UPON LANDING THE MECHANIC CLEANED THE TRANSMISSION CHIP PLUGS IAW MM AND DURING THE GROUND RUN AND LEAK CHECK TRANSMISSION CHIP LIGHT ILLUMINATED ONCE AGAIN. THE MECHANIC REMOVED AND REPLACED THE TRANSMISSION. Jul 20, 2005 · N796RV · Bell 407 · Rotor Drive Indicating SystemSDR ALG2005F00047Indicator · odorIN CRUISE FLIGHT, 4 MINUTES FROM LANDING, THE TORQUE INDICATOR WENT BLANK, 1 MINUTE LATER THE PILOT COULD SMELL PLASTIC BURNING IN THE COCKPIT. THE PILOT LANDED AND NOTIFIED MAINTENANCE. MECHANIC REMOVED AND REPLACED THE TORQUE GAUGE AND AC WAS RETURNED TO SJul 18, 2005 · N436AL · Bell 407 · Engine BMEP/Torque IndicatingSDR ALGA104871Pitch Link · bindingBINDING, RATCHETY, AND AXIAL PLAY BEYOND MAX/REPLACED WITH NEW BY FIELD MAINTENANCEJul 17, 2005 · N6386Z · Bell 407 · Main Rotor HeadSDR ALGA104691Fitting · brokenTAB ON CASTING THAT HAS A NUTPLATE FOR THE SEAT PANEL SUPPORT IS CRACKED AND BROKEN / REPLACED WITH NEW FITTINGJul 15, 2005 · N617AL · Bell 407 · Flight Compartment EquipmentSDR 2005FA0001098Bevel Gear · brokenHELICOPTER RECEIVED 2 TRANSMISSION CHIP CAUTION LIGHTS IN 2.9 HOURS. MAIN INPUT GUILL WAS REMOVED FOR INSPECTION OF THE BEVEL GEAR. THE BEVEL GEAR INSPECTION REVEALED 1 MISSING GEAR TOOTH AND AN ADJACENT TOOTH CRACKED. TRANSMISSION SENT TO MFG FOR EVALUATIOJul 14, 2005 · N701WP · Bell 407 · Main Rotor GearboxSDR YTRR104514Bearing · wornPITCH LINK BEARING WORN BEYOND ALLOWABLE LIMITS.Jul 11, 2005 · N595RL · Bell 407 · Main Rotor HeadSDR YTRR104408Caliper · crackedON ROUTINE INSPECTION FOUND CALIPER HOUSING CRACKED AT MOUNTING FLANGE ON ROTOR BRAKE.Jun 30, 2005 · N595RL · Bell 407 · Main Rotor BrakeSDR ALGA104612Pitch Link · wornAXIAL PLAY BEYOND MAX. AND RATCHETY / REPLACED WITH NEW BY FIELD MAINTENANCE.Jun 29, 2005 · N404AL · Bell 407 · Main Rotor HeadSDR ALGA104430Pitch Link · bindingPITCH LINK HAS EXCESSIVE AXIAL PLAY; BINDING AND RATCHETY / REPLACED WITH NEW BY FIELD MAINTENANCE.Jun 24, 2005 · N409AL · Bell 407 · Main Rotor HeadSDR ALGA104382Pitch Link · bindingBINDING AND RATCHETY / REPLACED WITH NEW BY FIELD MAINTENANCE.Jun 22, 2005 · N436AL · Bell 407 · Main Rotor HeadSDR IIF2005F00000Cap · brokenAIRCRAFT IN FOR INSPECTION, MECHANICAL INSPECTING AREA OF ROTOR BRAKE NOTICED BLACK LINE ACROSS EAR WHERE BOLT GOES THROUGH HOLE. REMOVED BOLT AND EAR FELL OFF. POSSIBLE CAUSE, VIBRATION. (K)Jun 17, 2005 · N407PR · Bell 407 · Engine/Transmission CouplingSDR 2005FA0000923Monitor · broken3 MONITORS WERE INSTALLED DURING THE COMPLETION OF THE HELICOPTER ON AN FORM THAT WAS FIELD APPROVED. DURNG LEVEL FLIGHT, AT 6500 FEET, THE OUTER PANE OF GLASS SHATTERED FROM THE FRONT OF THE MONITOR WITH VARIOUS SIZE PIECES HITTING THE CREW. MFG SENT 2 ENGIJun 14, 2005 · N139PD · Bell 407 · Indicating/Recording SystemSDR ALG2005F00033Chip Detector · contaminatedDURING TAKE OFF, TRANSMISSION CHIP LIGHT CAME ON DURING TAKEOFF, RETURNED TO DEPARTURE. MAINTENANCE REMOVED ALL CHIP PLUGS, FOUND NORMAL WEAR LINT LIKE PARTICLE ON LOWER PLUG. CLEANED PLUGS AND A 30 MINUTE PENALTY RUN WAS PERFORMED ALL CHECKS WERE GOOD. WORMay 27, 2005 · N527AL · Bell 407 · Tail Rotor GearboxSDR ALGA104278Housing · crackedDURING FIRST 2500 HR OVERHAUL, CRACKED HOUSING FOUND DURING NDT.May 15, 2005 · N5NBFI · Bell 407 · Engine Mount SectionSDR ALG2005F00029Transducer · fluctuatesON TAKE OFF THE TORQUE GAUGE FLUCTUATED 60 PERCENT TO 70 PERCENT, RETURNED TO BASE AND REPORTED THE MALFUNCTION TO MAINTENANCE. MAINTENANCE CHANGED THE TORQUE PRESSURE TRANSDUCER AND OPS CHECK WAS GOOD, WORK DONE IAW MM. (K)Apr 29, 2005 · N405AL · Bell 407 · Engine BMEP/Torque IndicatingSDR CA050429001Bowl · leakingTHE CEFA OIL FILTER BYPASS INDICATOR POPPED OUT. INVESTIGATION REVEALED THE IMPENDING BYPASS INDICATOR ON THE CEFA OIL FILTER BOWL FELL APART. A RETAINING CLIP BROKE AND PARTS OF IT WERE FOUND IN THE OIL SYSTEM. SPRING, PRESSURE PLATES AND POPPET WERE ALSO Apr 28, 2005 · Bell 407 · Turbine Engine Oil SystemSDR ALGA100723Pitch Link · bindingBINDING, ROUGH, AXIAL PLAY BEYOND MAX. REPLACED WITH NEW BY FIELD MAINTENANCE.Apr 28, 2005 · N547AL · Bell 407 · Main Rotor HeadSDR CA050426001Actuator · faultyPILOT VALVE WOULD ONLY MOVE IN ONE DIRECTION. LIFTED UP (DUST CAP) BOOT TO LOOK AT PILOT VALVE ROD AND FOUND LOCKING MECHANISM LOOSE AND ABLE TO ROTATE. SERVO PISTON WOULD NOT MOVE IN ANY DIRECTION.Apr 25, 2005 · Bell 407 · Rotorcraft Servo SystemSDR ALGA100722Pitch Link · bindingBINDING, ROUGH AXIAL PLAY BEYOND MAX. REPLACED WITH NEW BY FIELD MAINTENANCE.Apr 20, 2005 · N937AL · Bell 407 · Main Rotor HeadSDR HEEA107346Engine · noisyUPON DESCENT, CREW NOTICED UNUSUAL NOISES COMING FROM THE ENGINE COMPARTMENT. ENTERED A POWER-ON AUTO ROTATIONAL PROFILE AND LANDED IN A NEARBY FIELD. MAINTENANCE REPORTS, ENGINE HAS A NOISE AT FULL THROTTLE, FLAT PITCH, THAT WILL INCREASE IN INTENSITY WHEN Apr 19, 2005 · N510PH · Bell 407 · Engine (Turbine/Turboprop)SDR ALG2005F00025Hose · leakingAT CRUISE FLIGHT AT 2750 FT, HEADING NORTH NORTHEAST, HYDRAULIC CAUTION LIGHT ILLUMINATED AND CONTROLS BECAME STIFF. MAINTENANCE FOUND THE CASE DRAIN LINE FLEX HOSE AT HYDRAULIC PUMP WAS TIGHT BUT LEAKING OIL, REMOVED AND REPLACED HYDRAULIC PUMP FOR INTERAL LApr 16, 2005 · N587AL · Bell 407 · Hydraulic System, MainSDR YTRR100232Bearing · wornTAIL ROTOR HANGAR BEARING WORN BEYOND MANUFACTURERS LIMITS.Apr 14, 2005 · N595RL · Bell 407 · Tail Rotor Drive ShaftSDR ALG2005F00018Transmission · making metalON TAKEOFF, TRANSMISSION CHIP LIGHT ILLUMINATED, PILOT RETURNED TO THE PLATFORM. SHUTDOWN AND NOTIFIED MAINTENANCE. REMOVED UPPER CHIP PLUG AND FOUND 3 SMALL SLIVERS. CLEANED THE PLUG, REINSTALLED CHIP PLUG AND PERFORMED A 30 MINUTE PENALTY RUN AND LEAK CHEMar 30, 2005 · N403AL · Bell 407 · Main Rotor GearboxSDR CA050328002Combustion Liner · cracked(CAN) COMBUSTION LINER FOUND CRACKED WHEN REMOVED DURING UNRELATED SCHEDULED MAINTENANCE. NO CRACKS ALLOWED IN SUBJECT AREA. THIS IS AN ON GOING PROBLEM WITH THIS PART.Mar 23, 2005 · Bell 407 · Turbine Engine Combustion SectionSDR ALGA100000Pitch Link · wornBINDING; AXIAL PLAY BEYOND LIMITS; ROUGH / REPLACED WITH NEW PART BY FIELD MAINT.Mar 21, 2005 · N687AL · Bell 407 · Main Rotor ControlSDR CA050404006Blade · damaged(CAN) CRACK IN THE LEADING EDGE EROSION STRIP WAS DISCOVERED WHILE TRYING TO WORK THE MAIN ROTOR WITH THE RADS. ON INITIAL INSPECTION THE CRACK APPEARED TO BE A MASKED EDGE FROM THE NICKEL ABRASION COATING BUT AFTER THE BLADE WAS FLEXED, IT OPENED UP TO REVEAMar 17, 2005 · Bell 407 · Main Rotor BladesSDR CA050406007Blade · cracked(CAN) WHILE TROUBLESHOOTING MAIN ROTOR SYSTEM FOR CAUSE OF DIFFICULTY WITH M/R TRACK AND BALANCE A HAIRLINE CRACK WAS DISCOVERED IN THE DISCREPANT BLADE LEADING EDGE ABRASION STRIP APPROXIMATELY 77 INCHES FROM THE BLADE TIP. THE BLADE AS PLACED ON A WORK STANMar 17, 2005 · Bell 407 · Main Rotor BladesSDR 2005FA0000395Check Valve · misinstalledCOMPONENT INSTALLED ON THE SIDE OF ENGINE. WHEN IT WAS INSPECTED FOUND NUT DISLODGED FROM STUD COVER OF CHECK VALVE.Mar 16, 2005 · N18SP · Bell 407 · Engine Fuel DistributionSDR CA050328001Blade · cracked(CAN) M/R BLADE EXHIBITS CRACKS IN THE NICKEL PLATING ON THE LEADING EDGES (EROSION STRIP).Mar 10, 2005 · Bell 407 · Main Rotor BladesSDR ALG2005F00020Pressure Switch · inoperativeFOLLOWING LIFT OFF, AND AT HOVER TO FLYWAY THE TRANSMISSION PRESSURE LIGHT CAME ON AND STAYED ON. RETURNED TO AIRCRAFT TO PAD AND CALLED MAINTENANCE. MAINTENANCE REPLACED THE TRANSMISSION OIL PRESSURE SWITCH AND COMPLIED WITH GROUND RUN, OPS AND LEAK CHECK, Mar 10, 2005 · N436AL · Bell 407 · Rotor Drive Indicating SystemSDR ALGA100235Drive Shaft · vibrationHIGH VIBRATION / REPLACED WITH NEW BY FIELD MAINTENANCEMar 9, 2005 · N5NBEO · Bell 407 · Tail Rotor Drive ShaftSDR YTRR099530Fuel Filter · failedFUEL FILTER HEAD ASS'Y WAS INSTALLED ON THIS AIRCRAFT NEW FROM BHT. IT FAILED AFTER 659.6 HRS TIME IN SERVICE.Mar 7, 2005 · N595RL · Bell 407 · Aircraft Fuel Filter/StrainerSDR ALGA099876Pitch Link · wornRATCHEY, BINDING, AXIAL PLAY BEYOND MAX / REPLACED WITH NEW BY FIELD MAINTENANCEFeb 22, 2005 · Bell 407 · Main Rotor ControlSDR CA050222003Combustion Liner · cracked(CAN) PART CRACKED IN DOUBLE LIP AREA. NO CRACKS ALLOWED IN THIS LOCATION. MAJORITY OF COMBUSTION LINERS REMOVED ARE FOUND CRACKED IN THIS AREA.Feb 18, 2005 · Bell 407 · Turbine Engine Combustion SectionSDR 2005FA0000134Cone · wornREPLACED MAIN ROTOR MAST CONE PN 407-010-104-109 FOR HUB SHIFT/MAST NUT TORQUE STABILIZATION PROBLEM. ORDERED NEW CONE P/N 407-010-104-109 FROM MFG. NEW PART WAS RECEIVED WITH A WEAR GROOVE IN CENTER OF CONE FACE (APPEARED USED). REORDERED ANOTHER NEW CONE Feb 16, 2005 · N17SP · Bell 407 · Main Rotor Mast/SwashplateSDR 2005FA0000224Bolt · misinstalledFOUND THAT MAX POS OF THROT (POWER LEVER ANGLE) COULD NOT BE OBTAINED USING NML ADJ PROC. FOUND COPILOT THROTTLE LINKAGE WAS FOULING ON COLLECT ELBOW (PN 206-001-203-101). LINKAGE IS ATTACHED TO COL THROTTLE LEVER WITH (NAS6603-9D) BOLT INSTALLED W/HEAD FACFeb 15, 2005 · N45RX · Bell 407 · Rotorcraft Flight ControlSDR ALGA099804Bearing · wornBINDING AND AXIAL PLAY BEYOND MAXIMUM LIMITS. REPLACED BY FIELD MAINTENANCE.Feb 10, 2005 · Bell 407 · Main Rotor SystemSDR YTRR099234Bearing · vibrationNR 1 AND 2 TAIL ROTOR HANGAR BEARING CAUSING HI FREQUENCY VIBRATION IN AIRCRAFTFeb 8, 2005 · N594RL · Bell 407 · Tail Rotor Drive Shaft
Back to Bell 407