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 97ZZZX2763Disc Pack · crackedDURING 50-HOUR PREVENTIVE MAINTENANCE INSPECTION, FOUND T/R DRIVE SHAFT DISC PACK CRACKED.Mar 27, 1997 · N417AL · Bell 407 · Tail Rotor Drive ShaftSDR 97ZZZX2762Disc Pack · crackedDURING A 50-HOUR PREVENTIVE MAINTENANCE INSPECTION, FOUND DISC PACK CRACKED.Mar 27, 1997 · N407AL · Bell 407 · Tail Rotor Drive ShaftSDR 97ZZZX2761Disc Pack · crackedDURING 50-HOUR PREVENTIVE MAINTENANCE INSPECTION, FOUND T/R DRIVE SHAFT DISC PACK CRACKED.Mar 27, 1997 · N407AL · Bell 407 · Tail Rotor Drive ShaftSDR HAIHEEA9242Link Assembly · bearing failedRIVETED (NON-ADJUSTABLE) BEARING STIFF AND ROUGH. THIS BEARING ATTACHED TO THE PITCH CHANGE BELLCRANK BELOW THE TAIL ROTOR GEARBOX- REF. 407 IPC A667-15. THIS PROBLEM COULD BE RELATED TO THE TAIL ROTOR GEARBOX BREATHER TUBE VENTING ABOVE THELOCATION OF THIS Mar 21, 1997 · N407PH · Bell 407 · Tail Rotor Control SystemSDR HAIHEEA9239Pump · leakingXMSN OIL PUMP LEAKING.Mar 21, 1997 · N407PH · Bell 407 · Main Rotor GearboxSDR HAIHEEA9238Bearing · wornBEARINGS WORN.Mar 21, 1997 · N407PH · Bell 407 · Main Rotor Drive SystemSDR HAIHEEA9237Static Port · heat inoperativeHEATING ELEMENT INOPERATIVE. GREEN WIRE BROKEN UPON REMOVAL.Mar 21, 1997 · N407PH · Bell 407 · Pitot/Static Anti-Ice SystemSDR HAIHEEA9236Signal Cond · malfunctionFUEL LOW LIGHT STAYS ON UNTIL BATTERY SWITCH IS CYCLED.Mar 21, 1997 · N427PH · Bell 407 · Fuel Indicating SystemSDR HAIHEEA9235Link Assembly · bushing wornBUSHINGS WORN ON LEVER ASSEMBLIES. REMOVED LINK ASSEMBLIES WITH LEVERS. LEVER ASSEMBLY SERIAL NUMBERS REMOVED ARE A1521 AND A1535. LINK ASSEMBLY SERIAL NUMBERS REMOVED ARE AFS1119 AND AFS1122. SERIAL NUMBERS OF REPLACEMENT LEVERS ARE A1721 AND A1702 AND REMar 21, 1997 · N407PH · Bell 407 · Main Rotor Drive SystemSDR HAIHEEA9234Lever Assembly · wornBUSHINGS WORN ON LEVER ASSEMBLIES. REMOVED LINK ASSEMBLIES WITH LEVERS. LEVER ASSEMBLY SERIAL NUMBERS REMOVED ARE A1521 AND A1535. LINK ASSEMBLY SERIAL NUMBERS REMOVED ARE AFS1119 AND AFS1122.Mar 21, 1997 · N407PH · Bell 407 · Main Rotor Drive SystemSDR HAIHEEA9231Tube Assembly · chafedTUBE ASSEMBLY WAS CHAFED BY LABEL TAG RUBBING ON IT.Mar 21, 1997 · N427PH · Bell 407 · Aircraft Fuel Distribution SystemSDR HAIHEEA9230Indicatori · fluctuatesTRANS OIL TEMP FLUCTUATES INTERMITTENTLY.Mar 21, 1997 · N437PH · Bell 407 · Engine Oil TemperatureSDR HAIHEEA9222Bearing · roughBEARING ROUGH.Mar 21, 1997 · N407PH · Bell 407 · Rotorcraft Cooling Fan SystemSDR HAIHEEA9221Bearing · roughBEARING ROUGH.Mar 21, 1997 · N407PH · Bell 407 · Rotorcraft Cooling Fan SystemSDR 97ZZZX2857Fusible Plug · failedWHILE AIRCRAFT WAS SITTING ON MAINTENANCE RAMP, NITROGEN CAME OUT OF FUSIBLE PLUG. THE INTERNAL PLUNGER CAME LOOSE OR SHEARED.Mar 10, 1997 · N427AL · Bell 407 · Emergency Flotation SectionSDR 97ZZZX2766Disc Pack · crackedDURING 50-HOUR PMI, FOUND FORWARD DISC PACK CRACKED ON NR 7 T/R DRIVESHAFT.Mar 4, 1997 · N417AL · Bell 407 · Tail Rotor Drive ShaftSDR HEEA979145Link · wornLINK BEARINGS WORN. SERIAL NUMBERS REMOVED ARE NHFS2129 AND NHFS2050. SERIAL NUMBERS FOR REPLACEMENTS ARE NHFS2451 AND NHFS2586.Feb 25, 1997 · N407PH · Bell 407 · Tail Rotor Control SystemSDR HEEA979142Altimeter · errorALTIMETER 200 FEET OFF.Feb 25, 1997 · N141MA · Bell 407 · Altimeter, Barometric/EncoderSDR 97ZZZX1280Disc Pack · crackedDURING ROUTINE INSPECTION, FOUND ONE DISC OF DISC PAC CRACKED IN THREE PLACES. TWO CRACKS WERE RUNNING PARALLEL WITH THE GRAIN METAL EXTENDING APPROXIMATELY 75 PERCENT OF THE WIDTH OF THE DISC. THE THIRD CRACK RUNNING PERPENDICULAR TO THE GRAIN APPROXIMATELYFeb 24, 1997 · N407AL · Bell 407 · Tail Rotor Drive ShaftSDR HEEA979132Indicator · defectiveEXCEEDENCE IN MEMORY - WOULD NOT ACCEPT ADDRESS TO CLEAR 992 EXCEED.Feb 21, 1997 · N417PH · Bell 407 · Rotor Drive Indicating SystemSDR HEEA979130Transmitter · failedOIL PRESSURE READS LOW ABOVE 94% N1 AND PRESSURE FLUCTUATES FROM 110% TO 115%.Feb 21, 1997 · N417PH · Bell 407 · Main Rotor GearboxSDR HEEA979129Indicator · defectiveINDICATOR OIL PRESSURE AND TEMP ARE INTERMITTENTLY INOPERATIVE. UNIT WAS ROBBED FROM AIRCRAFT N57416, S/N 53070. SENT TO BELL HELICOPTER TEXTRON FOR CREDIT AGAINST REPLACEMENT PART PURCHASED.Feb 21, 1997 · N417PH · Bell 407 · Engine Oil Indicating SystemSDR HEEA979110Stop · wornUP STOP WORN AND HAS EXCESSIVE PLAY.Feb 11, 1997 · N427PH · Bell 407 · Main Rotor HeadSDR 97ZZZX1277Disc Pack · crackedDURING A 50-HOUR INSPECTION, FOUND T/R COUPLING DISC PACK, P/N 406-090-340-101, TO HAVE A CRACK ON ONE OUTER LAMINATE EXTENDING THREE-FOURTHS OF THE WAY THROUGH THE LAMINATE. THE DESIGN OF THIS AIRCRAFT DOES NOT ALLOW THE NR 4 THROUGH THE NR 7 (ALL OF THEM ONFeb 6, 1997 · N407AL · Bell 407 · Tail Rotor Drive ShaftSDR HEEA978977Indicator · defectiveUNABLE TO DOWNLOAD OR CLEAR MGB TACH.Jan 30, 1997 · N141MA · Bell 407 · Rotor Drive Indicating SystemSDR HEEA978976Indicator · defectiveINDICATOR BLANK OUT INTERMITTENT AT IDLE WHEN COLD.Jan 30, 1997 · N141MA · Bell 407 · Rotor Drive Indicating SystemSDR HEEA978927Transmitter · fluctuationsTORQUE INDICATOR FLUCTUATIONS IN FLIGHT. RESIDUAL INDICATION AFTER SHUTDOWN. SENT TO BELL HELICOPTER TEXTRON FOR CREDIT AGAINST REPLACEMENT PART PURCHASED.Jan 23, 1997 · N141MA · Bell 407 · Engine BMEP/Torque IndicatingSDR HEEA978926Indicator · fluctuationTORQUE INDICATOR FLUCTUATIONS IN FLIGHT. RESIDUAL INDICATION AFTER SHUTDOWN.Jan 23, 1997 · N141MA · Bell 407 · Engine BMEP/Torque IndicatingSDR 97ZZZX1407Coupling · disc crackedINSPECTION FOUND TWO OUTER DISCS CRACKED. ONE CRACKED INTO 2 PIECES, ONE CRACKED FROM MIDDLE OF DISC TO INNER EDGE.Jan 20, 1997 · N417AL · Bell 407 · Tail Rotor Drive ShaftSDR HEEA978889Hmu · malfunctionHYDRO-MECHANICAL UNIT REMOVED FROM AIRCRAFT DUE TO AFTER APPROXIMATELY FIVE MINUTES OF GROUND RUN WITH APPLICATION OF TORQUE TO 35%, ECU REAL TIME DATA INDICATED A PLA HARD FAULT.Jan 17, 1997 · N141MA · Bell 407 · Fuel Controlling SystemSDR 97ZZZX1279Center Cone Set · damagedAFTER SITTING OFFSHORE IN MODERATE WINDS, THE PILOT NOTICED AN INCREASE IN VIBRATION LEVEL OF THE MAIN ROTOR ON THE NEXT FLIGHT. THE MAIN ROTOR CENTER CONE SET P/N 407-010-111-101 HAS A THICK TEFLON COATING ON THE INSIDE OF CONES. THIS COATING WAS DAMAGED ALJan 14, 1997 · N407AL · Bell 407 · Main Rotor HeadSDR HEEA978850Bearing · defectiveUPON COMPLYING WITH A 300 HOUR/3 MONTH T/R GEARBOX PITCH CHANGE MECHANISM LUBE, FOUND GREASE ZERT ON PITCH CHANGE HOUSING WOULD NOT ACCEPT GREASE. DISASSEMBLED PITCH CHANGE MECHANISM. ON INVESTIGATION FOUND BEARING 206-011-731-001 IN PITCH CHANGE HOUSING DID Jan 10, 1997 · N427PH · Bell 407 · Tail Rotor GearboxSDR HEEA978843Transmitter · defectiveENGINE TORQUE FLUCTUATES 20%.Jan 10, 1997 · N407PH · Bell 407 · Engine BMEP/Torque IndicatingSDR HEEA978842Indicator · fluctuatesTORQUE INDICATOR FLUCTUATES 20%.Jan 10, 1997 · N407PH · Bell 407 · Engine BMEP/Torque IndicatingSDR HEEA978833Disk Coupling · crackedDISC CRACKED.Jan 10, 1997 · N407PH · Bell 407 · Tail Rotor Drive ShaftSDR HEEA978832Disk Coupling · crackedINSPECTED AND FOUND ONE DRIVE SHAFT DISK PACK COUPLING CRACKED.Jan 10, 1997 · N417PH · Bell 407 · Tail Rotor Drive ShaftSDR HEEA978818Relay · failedLOW ROTOR HORN WOULD NOT MUTE. REPLACED RELAY, SYSTEM CHECKED OK A FEW TIMES THEN HORN WOULD NOT MUTE AGAIN. SWAPPED RELAY WITH ENGINE OUT RELAY AND ENGINE OUT HORN WOULD NOT MUTE BUT LOW ROTOR HORN WOULD.Jan 7, 1997 · N141MA · Bell 407 · Main Rotor Indicating SystemSDR 97ZZZX1278Hanger Support · looseDURING A 50-HOUR INSPECTION, THE NR 4 T/R BEARING HANGER SUPPORT WAS FOUND LOOSE FLOATING UP AND DOWN ON THE ATTACH BOLT. NR 7 HANGER SUPPORT WAS FOUND TO BE MAKING MUD AT CONTACT AREA WITH TAILBOOM BRACKET. FOUND ATTACH BOLT P/N NAS6604D65 WORN AND STEPPED Jan 6, 1997 · N407AL · Bell 407 · Tail Rotor Drive ShaftSDR 97ZZZX958Bearing · mismanufacturedTAIL ROTOR GEARBOX PITCH CHANGE MECHANISM WOULD NOT TAKE GREASE. BELL REPRESENTATIVE HAS CONFIRMED THAT BEARING RACE DID NOT HAVE REQUIRED HOLE. BELL HAS CHANGED BEARING MANUFACTURERS. THIS BEARING IS FROM NEW MANUFACTURER. VENDOR: PITCH LIGN RBC. VENDORDec 30, 1996 · N427PH · Bell 407 · Tail Rotor GearboxSDR HEEA968731Hmu · seal leakHMU INPUT SHAFT SEAL LEAKING.Dec 13, 1996 · N407PH · Bell 407 · Fuel Controlling SystemSDR HEEA968683Cone Set · defectiveCOULD NOT TRACK AND BALANCE MAIN ROTOR SYSTEM.Dec 11, 1996 · N407PH · Bell 407 · Main Rotor HeadSDR HEEA968682Indicator · failedENGINE OIL PRESSURE INDICATOR FAILED.Dec 11, 1996 · N141MA · Bell 407 · Engine Oil PressureSDR HEEA968642Fuel Filter · defectiveFUEL FILTER TEST BUTTON WILL NOT MAKE LIGHT COME ON.Dec 10, 1996 · N407PH · Bell 407 · Aircraft Fuel SystemSDR HEEA968487Gyro · precessesGYRO UNIT PRECESSING EXCESSIVELY.Nov 18, 1996 · N407PH · Bell 407 · Attitude Gyro and Indicating SystemSDR 97ZZZX992Blade · paint flakePAINT FLAKING OFF LEADING EDGE AT TIP.Nov 14, 1996 · N407AL · Bell 407 · Main Rotor BladesSDR 97ZZZX991Blade · paint flakePAINT FLAKING OFF LEADING EDGE AT TIP.Nov 14, 1996 · N407AL · Bell 407 · Main Rotor BladesSDR 96ZZZX6035Indicator · failedINDICATOR FAILED. REPLACED WITH NEW FUEL PRESSURE IND.Nov 12, 1996 · N6198V · Bell 407 · Fuel Pressure IndicatorSDR 96ZZZX6034Indicator · failedINDICATOR FAILED. REPLACED WITH NEW DUAL TACH IND.Nov 12, 1996 · N407NA · Bell 407 · Engine RPM Indicating SystemSDR 97ZZZX896Bearing · seal tornFOUND T/R DRIVE SHAFT BEARING SEAL TORN. REPLACED WITH NEW BEARING.Oct 31, 1996 · N1099R · Bell 407 · Tail Rotor Drive ShaftSDR HEEA968258Window · brokenWINDOW BROKEN.Oct 11, 1996 · N417PH · Bell 407 · Flight Compartment Windows
Back to Cessna 407