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 20000804SH019Duct · crackedUPON DAILY INSPECTION, CRACKS IN CORNERS CAUSED BY IHERENT VIBRATIONS. (X)May 31, 2000 · N417AL · Bell 407 · Rotorcraft Cooling Fan SystemSDR 20000718SH017Bearing · damagedDURING DAILY SERVICE CHECK, FOUND ELASTOMERIC SEPARATED FROM SPINDLE. (X)May 27, 2000 · N497AL · Bell 407 · Main Rotor HeadSDR 20000721SH013Extinguisher · leakingFIRE EXTINGUISHER, BELL P/N 40000, TRADE NAME ''RIGHT-OUT'' TM IS STANDARD EQUIPMENT FROM THE BELL FACTORY. THE NEW OWNER PICKED UP NEW HELICOPTER AT THE COMPLETION CENTER. ON THE FLIGHT TO HOME BASE, THE FIRE EXTINGUISER SLOWLY DISCHARGED IN-FLIGHT. ESTIMMay 26, 2000 · N24156 · Bell 407 · Fire Bottle, PortableSDR 20000602SH010Indicator · malfunctionedH.A.S. REPLACED WITH NEW OIL PRESSURE TEMPERATURE INDICATOR FROM BELL HELICOPTER. (X)May 23, 2000 · N407SD · Bell 407 · Engine Oil TemperatureSDR 20000602SH009Indicator · malfunctionedH.A.S. REPLACED WITH NEW MGT INDICATOR FROM BELL HELICOPTER. (X)May 23, 2000 · N407SD · Bell 407 · Engine EGT/TIT Indicating SystemSDR 20000808SH003Sleeve · contaminatedATTEMPTED TAKEOFF, COLLECTIVE LEVER MOVEMENT WAS RESTRICTED. TAKEOFF ABORTED, COLLECTIVE SERVO REPLACED. SHOP INSPECTION REVEALED SERVO BYPASS SPOOL WAS BINDING IN BYPASS SPOOL SLEEVE. THIS CAUSED PRIMARY CONTROL SPOOL HYDRAULIC NULL TO SHIFT LIMITING SERVOMay 22, 2000 · N617AL · Bell 407 · Rotorcraft Servo SystemSDR 20000807SH003Duct · crackedUPON DAILY INSPECTION, CRACKS IN CORNERS CAUSED BY INHERENT VIBRATIONS. (X)May 22, 2000 · N587AL · Bell 407 · Rotorcraft Cooling Fan SystemSDR 20000807SH006Duct · crackedUPON DAILY INSPECTION, CRACKS IN CORNERS CAUSED BY INHERENT VIBRATION. (X)May 20, 2000 · N627AL · Bell 407 · Rotorcraft Cooling Fan SystemSDR 20000602SH011Frahm · damagedSPRING ROTATED RUBBER BUMPER MISSING FROM MAIN ROTOR HEAD. H.A.S. REPLACED WITH NEW FRAHM FROM BELL HELICOPTER. (X)May 19, 2000 · N98VG · Bell 407 · Main Rotor HeadSDR 20000718SH003Bearing · wornDURING DAILY SERVICE CHECK, FOUND INBOARD FEATHER BEARING WEAR, CAUSING THE OUTER RACE OF FEATHER BEARING TO SHIFT IN YOKE CAUSING BORE TO WEAR BEYOND LIMITS. (X)May 5, 2000 · N917AL · Bell 407 · Tail Rotor HeadSDR 20000719SH001Disc Pack · crackedDURING 25-HOUR AD INSPECTION, TAIL ROTOR DRIVESHAFT FOUND CRACKED. (X)May 1, 2000 · N607AL · Bell 407 · Tail Rotor Drive ShaftSDR 20000719SH003Housing · crackedDURING DAILY INSPECTION AND BEARING LUBRICATION, FOUND HOUSING CRACKED AND BLACK GREASE EXPELLED FROM AROUND THE SEAL DETERMINING BEARING DAMAGED. (X)Apr 27, 2000 · N627AL · Bell 407 · Tail Rotor Drive ShaftSDR 20000719SH002Housing · crackedDURING DAILY INSPECTION AND BEARING LUBRICATION, FOUND HOUSING CRACKED AND BLACK GREASE EXPELLED FROM AROUND THE SEAL DETERMINING BEARING DAMAGED. (X)Apr 27, 2000 · N627AL · Bell 407 · Tail Rotor Drive ShaftSDR 20000518SH006Bearing · leakingDURING RECURRING 25-HOUR INSPECTION AND BEARING LUBRICATION (PER ASB 407-00-35/AD 2000-02-12), ACCUMULATED GREASE EXPELLED FROM AROUND THE SEAL IS BLACK DETERMINING BEARING IS DAMAGED. (X)Apr 26, 2000 · N687AL · Bell 407 · Tail Rotor Drive ShaftSDR 20000518SH005Bearing · leakingDURING RECURRING 25-HOUR INSPECTION AND BEARING LUBRICATION (PER ASB 407-00-35/AD 2000-02-12), DURING LUBRICATION, ACCUMULATED GREASE EXPELLED FROM AROUND THE SEAL IS BLACK DETERMINING BEARING IS DAMAGED. (X)Apr 26, 2000 · N687AL · Bell 407 · Tail Rotor Drive ShaftSDR 20000518SH004Bearing · damagedDURING RECURRING 25-HOUR INSPECTION AND BEARING LUBRICATION (PER ASB 407-00-35/AD 2000-02-01), DURING LUBRICATION, ACCUMULATED GREASE EXPELLED FROM AROUND THE SEAL IS BLACK DETERMINING BEARING IS DAMAGED. (X)Apr 26, 2000 · N687AL · Bell 407 · Tail Rotor Drive ShaftSDR 20000518SH003Bearing · damagedDURING RECURRING 25-HOUR INSPECTION AND BEARING LUBRICATION (PER ASB 407-00-35/AD 2000-02-12), ACCUMULATED GREASE EXPELLED FROM AROUND THE SEAL IS BLACK DETERMINING BEARING IS DAMAGED. (X)Apr 26, 2000 · N687AL · Bell 407 · Tail Rotor Drive ShaftSDR 20000511SH014Bearing · roughBEARING ON TAIL ROTOR DRIVESHAFT ON TAILBOOM REJECTED. REPLACED WITH NEW BEARINGS FROM BELL HELICOPTER. THESE WERE NOT INSTALLED ON THE OIL COOLER HANGERS. AD 2000-02-12 IS NOT APPLICABLE DUE TO INSTALLED LOCATION. (X)Apr 20, 2000 · N10EW · Bell 407 · Tail Rotor Drive ShaftSDR 20000511SH013Bearing · roughBEARING ON TAIL ROTOR DRIVESHAFT ON TAILBOOM REJECTED. REPLACED WITH NEW BEARINGS FROM BELL HELICOPTER. THESE WERE NOT INSTALLED ON THE OIL COOLER HANGARS. AD 2000-02-12 IS NOT APPLICABLE DUE TO INSTALLED LOCATION. (X)Apr 20, 2000 · N10EW · Bell 407 · Tail Rotor Drive ShaftSDR 20000511SH012Bearing · roughBEARING ON TAIL ROTOR DRIVESHAFT ON TAILBOOM REJECTED. REPLACED WITH NEW BEARINGS FROM BELL HELICOPTER. THESE WERE NOT INSTALLED ON THE OIL COOLER HANGERS. AD 2000-02-12 IS NOT APPLICABLE DUE TO INSTALLED LOCATION. (X)Apr 20, 2000 · N10EW · Bell 407 · Tail Rotor Drive ShaftSDR 20000511SH011Bearing · roughBEARING ON TAIL ROTOR DRIVESHAFT ON TAILBOOM REJECTED. REPLACED WITH NEW BEARINGS FROM BELL HELICOPTER. THESE WERE NOT INSTALLED ON THE OIL COOLER HANGERS. AD 2000-02-12 IS NOT APPLICABLE DUE TO INSTALLED LOCATION. (X)Apr 20, 2000 · N10EW · Bell 407 · Tail Rotor Drive ShaftSDR 20000510SH030Seal · leakingSEAL LEAKING ON FREEWHEELING UNIT OUT, BETWEEN ENGINE AND TRANSMISSION. REPLACED WITH NEW SEAL FROM BELL HELICOPTER. (X)Apr 20, 2000 · N7ZB · Bell 407 · Main Rotor Drive SystemSDR 20000518SH002Disc Pack · crackedDURING 25-HOUR AD INSPECTION, FOUND NR 5 COUPLING CRACKED THROUGH ONE LAMINATE ON AFT FACING SIDE OF COUPLING, POSSIBLE CAUSE UNKNOWN. (X)Apr 17, 2000 · N627AL · Bell 407 · Tail Rotor Drive ShaftSDR 20000719SH004Bearing · damagedRECURRING 25-HOUR INSPECTION AND BEARING LUBRICATION (PER ASB 407-00-35 AND AD 2000-02-01), FOUND ACCUMULATED GREASE EXPELLED FROM AROUND THE SEAL IS BLACK DETERMINING BEARING IS DAMAGED. (X)Apr 16, 2000 · N687AL · Bell 407 · Tail Rotor Drive ShaftSDR 20000510SH015Bearing · frettedWHILE PERFORMING SCHEDULED LUBRICATION OF TAIL ROTOR HANGER BEARINGS, MECHANIC NOTICED METALLIC FRETTING DUST AROUND TAIL ROTOR GEARBOX MOUNTING AREA. FURTHER INVESTIGATION REVEALED MOVEMENT BETWEEN TAIL ROTOR GEARBOX AND TAILBOOM. THIS MALFUNCTION IS UNDER IApr 15, 2000 · N407DD · Bell 407 · Fuselage Miscellaneous StructureSDR 20000807SH017Disc Pack · crackedDURING 25-HOUR AD INSPECTION, ONE LAMINATE IS CRACKED (AFT LAMINATE). (X)Apr 4, 2000 · N627AL · Bell 407 · Tail Rotor Drive ShaftSDR 20000622SH026Gauge · leakingOXYGEN GAUGE LEAKING AT CONNECTION PIPE THREADS. SUBMITTER SUGGESTED INSTALLING FLARED OR BRASS FITTINGS TO SEAL BETTER. (X)Mar 17, 2000 · N407CR · Bell 407 · Portable Oxygen SystemSDR 20000427SH003Pulley · looseDURING AIRCRAFT RUN-UP FOLLOWING UNRELATED MAINTENANCE, MECHANIC NOTED AIR CONDITIONING COMP STOPPED TURNING WHEN AIR CONDITIONER SYSTEM WAS ACTIVATED. ACFT WAS SHUT DOWN AND MECH FOUND AIR COND DRIVE PULLEY LOOSE ON OIL COOLER BLOWER SHAFT. POSSIBLE CAUSE FMar 14, 2000 · N58236 · Bell 407 · Tail Rotor Drive ShaftSDR 20000412SH037Support Bracket · crackedDURING DAILY INSPECTION, FOUND SUPPORT WITH STRESS CRACKS IN RADIUS FROM WHEN THE SUPPORT WAS MANUFACTURED. (X)Mar 5, 2000 · N437AL · Bell 407 · Rotorcraft Tail BoomSDR 20000412SH036Bearing · roughBEARINGS NOISEY AND ROUGH. REMOVED AND REPLACED 2 EACH BEARINGS. (X)Mar 5, 2000 · N437AL · Bell 407 · Tail Rotor Drive ShaftSDR 20000412SH035Bearing · roughBEARINGS NOISEY AND ROUGH. REMOVED AND REPLACED 2 EACH BEARINGS. (X)Mar 5, 2000 · N437AL · Bell 407 · Tail Rotor Drive ShaftSDR CA000309003Bearing · rough(CAN) ON SHUTDOWN, PILOT REPORTED GROWLING NOISE COMING FROM REAR OF ROTORCRAFT. IT WAS DISCOVERED THAT THE 2ND T/R DRIVESHAFT BEARING AFT OF THE OIL COOLER WAS DEFECTIVE. BEARING REPLACED.Mar 1, 2000 · Bell 407 · Tail Rotor Drive ShaftSDR 20000412SH031Drive Shaft · vibrationDURING FLIGHT, A VIBRATION WAS NOTICED. FOUND A SECTION APPROXIMATELY 3 INCHES LONG HAD BROKEN OFF FROM ONE OF THE FLEX FRAMES. THE SECTION PUNCTURED THE ROOF PANEL AND NICKED THE FUEL VENT LINE. (X)Mar 1, 2000 · N577AL · Bell 407 · Tail Rotor Drive ShaftSDR HEEA066552Support · crackedSUPPORT CRACKED IN BEND RADIUS ON FORWARD.Feb 28, 2000 · N437PH · Bell 407 · Horizontal Stabilizer StructureSDR HEEA066551Seal · leakingSEAL LEAKS.Feb 28, 2000 · N510PH · Bell 407 · Main Rotor ControlSDR HEEA066550Spacer · damagedTO INSTALL NEW LEVER. SENT TO BELL HELICOPTER TEXTRON FOR CREDIT AGAINST REPLACEMENT PART PURCHASED. REFERENCE: DMR#71032000.Feb 28, 2000 · N437PH · Bell 407 · Main Rotor Drive SystemSDR HEEA066549Idler · wornTEFLON WORN ON COLLECTIVE IDLER.Feb 28, 2000 · N437PH · Bell 407 · Main Rotor ControlSDR HEEA066548Duct · crackedDUCT IS CRACKED IN CORNER AT BLOWER END.Feb 28, 2000 · N719PH · Bell 407 · Engine Oil CoolerSDR HEEA066547Spacer · damagedTO INSTALL NEW LEVER. SENT TO BELL HELICOPTER TEXTRON FOR CREDIT AGAINST REPLACEMENT PART PURCHASED. REFERENCE: DMR#71032001.Feb 28, 2000 · N437PH · Bell 407 · Main Rotor Drive SystemSDR HEEA066546Switch · failedPRESSURE SWITCH NOT WORKING PROPERLY. LIGHT STAYS OFF.Feb 28, 2000 · N4999 · Bell 407 · Fuel Boost PumpSDR HEEA066544Bearing · wornEXCESSIVE WEAR ON BEARING.Feb 28, 2000 · N719PH · Bell 407 · Engine Mount SectionSDR HEEA066543Link · wornLINK HAS WORN BEARINGS.Feb 28, 2000 · N407PH · Bell 407 · Tail Rotor Control SystemSDR HEEA066542Link · wornLINK ASSEMBLY HAS WORN BEARINGS.Feb 28, 2000 · N723PH · Bell 407 · Tail Rotor Control SystemSDR HEEA066541Link · out of adjBEARING BAD ADJUSTMENT END.Feb 28, 2000 · N720PH · Bell 407 · Tail Rotor Control SystemSDR HEEA066539Cover · tornFLOAT COVER TORN.Feb 28, 2000 · N722PH · Bell 407 · Emergency Flotation SectionSDR 20000412SH032Disc Pack · crackedDURING 25-HOUR AD INSPECTION, FOUND CRACK AT INBOARD FORWARD SEGMENT OF DISC PACK. (X)Feb 26, 2000 · N627AL · Bell 407 · Tail Rotor Drive ShaftSDR 20000622SH025Fuel Control · failedSTART PROBLEMS, I.E., (NON-STARTS, ERRATIC STARTS). CHANGED HMU. OPS NORMAL PER MM (ALLISON). (X)Feb 24, 2000 · N407CR · Bell 407 · Fuel Controlling SystemSDR 2000ZZZX803Support Bracket · crackedDURING DAILY INSPECTION, FOUND CRACK IN RADIUS.Feb 23, 2000 · N577AL · Bell 407 · Rotorcraft Tail BoomSDR 2000ZZZX805Bearing · wornDURING DAILY INPSECTION FOUND BEARINGS WORN, AXIAL PLAY.Feb 20, 2000 · N407AL · Bell 407 · Tail Rotor Drive ShaftSDR 2000ZZZX804Bearing · wornDURING DAILY INPSECTION FOUND BEARINGS WORN, AXIAL PLAY.Feb 20, 2000 · N407AL · Bell 407 · Tail Rotor Drive Shaft
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