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 98ZZZX738Link Assy · wornDURING SECOND 100-HOUR INSPECTION, STUD BUSHING ON DRIVE LINK WAS FOUND FLUSH WITH SURFACE. IT SHOULD BE EXTENDED OUT .053 INCH TO .073 INCH PER PRODUCT SUPPORT.Nov 17, 1997 · N96335 · Bell 407 · Main Rotor Drive SystemSDR CA971223014Disk Pack · corroded(CAN) THOMAS COUPLINGS FOUND CORRODED BEYOND LIMITS.ALL 8 COUPLINGS WERE CORRODED.Nov 13, 1997 · Bell 407 · Tail Rotor Drive ShaftSDR 98ZZZX306Bearing · roughTWENTY-FIVE HOUR INSPECTION FOUND OIL COOLER BLOWER BEARINGS ROUGH. ALSO, SHAFT SPLINES SHOW SIGNS OF LACK OF LUBRICATION. SUBMITTER RECOMMENDED IMPROVING BEARING AND LUBRICATION ON SHAFT TO COUPLING SPLINES.Nov 11, 1997 · N427AL · Bell 407 · Rotorcraft Cooling Fan SystemSDR 98ZZZX305Bearing · roughTWENTY-FIVE HOUR INSPECTION FOUND OIL COOLER BLOWER BEARINGS ROUGH. ALSO, SHAFT SPLINES SHOW SIGNS OF LACK OF LUBRICATION. SUBMITTER RECOMMENDED IMPROVING BEARING AND LUBRICATION ON SHAFT TO COUPLING SPLINES.Nov 11, 1997 · N427AL · Bell 407 · Rotorcraft Cooling Fan SystemSDR 98ZZZX310Disc Pack · crackedAD 97-22-15, 25-HOUR TAIL BOOM INSPECTION FOUND CRACKED DISCS NR 2 TO NR 3, NR 1 DISC IN PACK CRACKED, NR 5 TO NR 6 LOCATION NR 10 DISC IN PACK CRACKED. SUBMITTER RECOMMENDED FLOATING DRIVESHAFTS SIMILAR TO THE BELL 206 SERIES.Nov 10, 1997 · N437AL · Bell 407 · Tail Rotor Drive ShaftSDR 98ZZZX304Disc Pack · crackedC/W OF AD 97-22-15, FOUND T/R DRIVE COUPLING DISC PACK AFT LAMINATE 'ONE' CRACKED BETWEEN NR 6 AND NR 7. SUBMITTER RECOMMENDS FLOATING DRIVESHAFTS SIMILAR TO THE BELL 206 SERIES.Nov 9, 1997 · N417AL · Bell 407 · Tail Rotor Drive ShaftSDR 98ZZZX303Disc Pack · crackedWHILE C/W AD 97-22-15, FOUND T/R DRIVE DISC PACK CRACKED BETWEEN NR 6 AND NR 7. SUBMITTER RECOMMENDS FLOATING DRIVESHAFTS SIMILAR TO THE BELL 206 SERIES.Nov 9, 1997 · N407AL · Bell 407 · Tail Rotor Drive ShaftSDR HEEA0011844Power Supply · failedPOWER SUPPLY INOPERATIVE. NO POWER OUTPUT.Nov 7, 1997 · N407PH · Bell 407 · Exterior LightingSDR HEEA0011761Seal · defectiveREPLACE SEAL AND PACKINGS.Nov 4, 1997 · N447PH · Bell 407 · Tail Rotor GearboxSDR 97ZZZX4904Disc Pack · crackedON 50-HOUR P.M.I., AND AD 97-22-15, FOUND NR 10 OF 10 DISC CRACKED IN 2 PLACES.Nov 2, 1997 · N437AL · Bell 407 · Tail Rotor Drive ShaftSDR HEEA0011757Indicator · failedOIL PRESSURE/TEMP DROPS TO ZERO INTERMITTENTLY, WILL NOT COME BACK ON LINE WHEN CIRCUIT BREAKER IS CYCLED.Oct 31, 1997 · N402PH · Bell 407 · Engine Oil TemperatureSDR HEEA0011753Bipod Mount · wornBIPOD MOUNT WORN BEARINGS.Oct 31, 1997 · N417PH · Bell 407 · Engine Mount SectionSDR HEEA0011751Rotor Brake · failedROTOR BRAKE PUCK MISSING.Oct 31, 1997 · N407MM · Bell 407 · Main Rotor BrakeSDR HEEA0011743Indicator · failedNG INDICATOR FAILED. ROM, RAM, AND FEPROM FAILURE HAS BEEN DETECTED.Oct 31, 1997 · N402PH · Bell 407 · Engine RPM Indicating SystemSDR HEEA0011741Rotor Brake · failedROTOR BRAKE PUCK SEPARATED.Oct 31, 1997 · N427PH · Bell 407 · Main Rotor BrakeSDR HEEA0011740Indicator · failedTORQUE INDICATOR SHOWS NO DISPLAY.Oct 31, 1997 · N407MM · Bell 407 · Engine BMEP/Torque IndicatingSDR HEEA0011735Seal Assy · leakingSEAL ASSY LEAKING.Oct 31, 1997 · N437PH · Bell 407 · Main Rotor GearboxSDR 97ZZZX4910Disc Pack · crackedDURING 50-HOUR PMI AND MAINTENANCE NOTAM NR 51B-97, FOUND NR 1 DISC IN PACK ASSEMBLY OF 10 DISC TOTAL, CRACKED IN TWO PLACES.Oct 29, 1997 · N437AL · Bell 407 · Tail Rotor Drive ShaftSDR 97ZZZX4909Damper Assy · deterioratedDAILY INSPECTION FOUND FRAHM DAMPER ASSY RUBBER DETERIORATING AND STICKING OUT OF DAMPER.Oct 23, 1997 · N437AL · Bell 407 · Main Rotor HeadSDR HEEA0011671Bearing · damagedINBOARD BEARINGS BEING DAMAGED EXCEEDING LIMITS PER BHT 407MM VOLUME 1 (REV. 4, 12-16-96). REPLACED TWO EACH BEARINGS.Oct 22, 1997 · N57416 · Bell 407 · Tail Rotor BladesSDR HEEA0011618Resistor · deterioratedTRANSPONDER WILL NOT TEST OR IDENT. PERFORMED PRELIMINARY INSPECTION AND FOUND REPLY LIGHT DIM. ALSO FOUND RESISTOR R477 DETERIORATED. REPLACED V301 PHOTOCELL AND R477 RESISTOR. BENCH CHECK GOOD.Oct 21, 1997 · N407MM · Bell 407 · ATC Transponder SystemSDR HEEA0011600Tnl2000 · failedGPS WILL NOT PICKUP SIGNAL AND WPT AND APT/VOR BUTTONS, BACK LIGHTING PARTIALLY INOPERATIVE.Oct 21, 1997 · N407MM · Bell 407 · Global Positioning SystemSDR HEEA0011599Valve · brokenDRAIN VALVE BROKE IN COMBUSTION CASE DRAIN BOSS. REPLACED WITH SERVICEABLE DRAIN VALVE. SCRAPPED BROKEN DRAIN VALVE.Oct 21, 1997 · N437PH · Bell 407 · Turbine Engine Combustion SectionSDR HEEA0011598Stop Pin · wornLOWER FLAPPING STOP ON ORANGE BLADE WORN. REPLACED WITH SERVICEABLE STOP.Oct 21, 1997 · N437PH · Bell 407 · Main Rotor BladesSDR HEEA0011597Filter · cloggedENGINE EXTERIOR OIL FILTER BYPASS BUTTON POPPED. REPLACED WITH SERVICEABLE FILTER.Oct 21, 1997 · N437PH · Bell 407 · Turbine Engine Oil SystemSDR HEEA0011596Filter · cloggedFILTER CLOGGED - BYPASSED. REPLACED WITH SERVICEABLE FILTER.Oct 21, 1997 · N141MA · Bell 407 · Turbine Engine Oil SystemSDR HEEA0011595Filter · cloggedRECEIVED ON AIRCRAFT WITH BYPASS BUTTON POPPED. REPLACED WITH SERVICEABLE FILTER.Oct 21, 1997 · N447PH · Bell 407 · Turbine Engine Oil SystemSDR HEEA0011594Filter · cloggedBYPASS BUTTON POPPED. REPLACED WITH SERVICEABLE FILTER.Oct 21, 1997 · N57416 · Bell 407 · Turbine Engine Oil SystemSDR HEEA0011593Filter · cloggedBYPASS BUTTON POPPED. REPLACED WITH SERVICEABLE FILTER.Oct 21, 1997 · N57416 · Bell 407 · Turbine Engine Oil SystemSDR HEEA0011592Filter · cloggedBYPASS BUTTON POPPED. REPLACED WITH SERVICEABLE FILTER.Oct 21, 1997 · N57416 · Bell 407 · Turbine Engine Oil SystemSDR HEEA0011591Filter · cloggedON DAILY INSPECTION, FOUND OIL FILTER BYPASS INDICATOR EXTENDED. REPLACED WITH SERVICEABLE FILTER.Oct 21, 1997 · N407MM · Bell 407 · Turbine Engine Oil SystemSDR HEEA0011590Filter · cloggedBYPASS BUTTON POPPED ON ENGINE OIL FILTER. REPLACED WITH SERVICEABLE FILTER.Oct 21, 1997 · N407MM · Bell 407 · Turbine Engine Oil SystemSDR HEEA0011589Terminal · crackedCABLES NR P7A8 AND NR P7B8 IN THE CIRCUIT BREAKER PANEL AREA HAVE TERMINALS CRACKED. (REF: DESIGNATOR 2TB1) DUE TO THE STRESSES PUT ON THE CABLES DURING THE OPENING AND CLOSING OF THE OVERHEAD CIRCUIT BREAKER PANEL. THE TERMINAL ENDS COULD POSSIBLY SEVER CAUOct 21, 1997 · N427PH · Bell 407 · DC Power Distribution SystemSDR HEEA0011571Engine · failedENGINE REPAIR DUE TO FADEC DEGRADE LIGHT. ENGINE WENT TO 111.1% AT 61.5% TORQUE.Oct 20, 1997 · N407MM · Bell 407 · Engine (Turbine/Turboprop)SDR HEEA0011570Transmission · making metalMETAL IN OIL (LOWER CHIP PLUGS). NOTE: TOP CASE P/N 406-040-052-107, S/N A788, REMOVED WITH TRANSMISSION, T.T. 1054:35 HOURS.Oct 20, 1997 · N437PH · Bell 407 · Main Rotor GearboxSDR 97ZZZX4674Valve · failedINSPECTION FOUND HYDRAULIC RELIEF VALVE FAILED. REPLACED WITH NEW RELIEF VALVE.Oct 20, 1997 · N98VG · Bell 407 · Hydraulic Pressure Relief Valve, MainSDR HEEA0011532Frahm Assy · defective4 PER VIBRATION. FRAHM ASSY DEFECT.Oct 16, 1997 · N417PH · Bell 407 · Main Rotor HeadSDR HEEA0011531Universal · wornUNIVERSAL HAS AXIAL PLAY IN BEARING.Oct 16, 1997 · N407PH · Bell 407 · Main Rotor Drive SystemSDR HEEA0011530Indicator · intermittentDUAL TACH INDICATOR INTERMITTENTLY INOPERATIVE.Oct 16, 1997 · N402PH · Bell 407 · Engine RPM Indicating SystemSDR HEEA0011529Indicator · failedPILOT REPORTED MGT INDICATOR GOES BLANK.Oct 16, 1997 · N417PH · Bell 407 · Rotor Drive Indicating SystemSDR HEEA0011528Ng Indicator · failedNG INDICATOR HAS NO INDICATION; NO LED'S SHOWING.Oct 16, 1997 · N141MA · Bell 407 · Engine RPM Indicating SystemSDR HEEA0011527Indicator · defectiveOIL PRESSURE INDICATOR FLASHES IN FLIGHT.Oct 16, 1997 · N437PH · Bell 407 · Engine Oil PressureSDR HEEA0011525Lamp · failedFLASH TUBE BURNT OUT. REPLACED WITH SERVICEABLE FLASH TUBE.Oct 15, 1997 · N437PH · Bell 407 · Exterior LightingSDR HEEA0011498Link · wornLINK HAS WORN BEARINGS. SERIAL NUMBERS REMOVED ARE NHFS2265 AND NHFS2337.Oct 14, 1997 · N57416 · Bell 407 · Tail Rotor Control SystemSDR HEEA0011485Cartridge · failedPUMP WON'T COME ON WHEN SWITCHED TO ON POSITION.Oct 14, 1997 · N141MA · Bell 407 · Fuel Boost PumpSDR HEEA0011480Disk Coupling · corrodedDISK COUPLING PITTED AND CORRODED.Oct 14, 1997 · N407PH · Bell 407 · Tail Rotor Drive ShaftSDR HEEA0011479Disk Coupling · crackedDISC PACK CRACKED.Oct 14, 1997 · N407PH · Bell 407 · Tail Rotor Drive ShaftSDR HEEA0011478Disk Coupling · crackedNR7 THOMAS COUPLING DISC CRACKED.Oct 14, 1997 · N141MA · Bell 407 · Tail Rotor Drive ShaftSDR HEEA0011477Disk Coupling · crackedSUSPECTED CRACK; DENT ON 2ND DISC.Oct 14, 1997 · N407PH · Bell 407 · Tail Rotor Drive ShaftSDR HEEA0011476Disk Coupling · crackedFIRST DISC PACK COUPLING, FORWARD OF T/R GEARBOX COUPLING, WAS FOUND CRACKED DURING DAILY INSPECTION.Oct 14, 1997 · N57416 · Bell 407 · Tail Rotor Drive Shaft
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