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 QMLA2014071614085Warning System · false activationDURING NORMAL SHUTDOWN A FADEC DEGRADE LIGHT AS THE THROTTLE WAS PLACED TO OFF. THE MECHANIC ARRIVED & VERIFIED OVERSPEED TEST 4 & 5 FAIL & AN OVERSPEED FAIL. VERIFIED ALL CONNECTORS TO BE CLEAN & SECURE IAW RR 250 C47B MM CHPT 73-25-01 FAULT ISOLATION MANUAJul 16, 2014 · N223AM · Bell 407 · Engine Fuel Indicating SystemSDR CA140715009Solenoid · inoperative(CAN) WATER ENTRAPMENT CAUSED THE PEDAL STOP SOLENOID TO BECOME INOPERATIVE. WHEN THE LOWER WSPS PANEL WAS OPEN, WATER WAS TRAPPED IN THE AREA JUST BELOW THE PEDAL STOP SOLENOID DUE TO THE DRAIN HOLE BEING PAINTED OVER & OBSTRUCTED BY PAINT.Jul 15, 2014 · Bell 407 · Tail Rotor Control SystemSDR QMLA2014071514084Connector · saturatedTHE MGMT. MISCOMP AMBER CAUTION LIGHT ILLUMINATING ON START UP. THE PILOT IMMEDIATELY ABORTED THE START & CALLED THE MECHANIC. THE RECOMMENDATION WAS TO DISCONNECT THE FADEC & ENG WIRE HARNESSES ON FWD FIREWALL & ENG PAN AREA ON RT SIDE & CHECK FOR MOISTURE.Jul 15, 2014 · N459AM · Bell 407 · Engine Fuel System WiringSDR QMLA2014070514081Adapter · malfunctionedFADEC FAULT, FADEC DEGRADE & RESTART FAULT ILLUMINATED. FADEC DOWNLOAD REVEALED THE FOLLOWING FAULTS OPENMVFLG, OSTST4FLT, OSTST7FLT & OSFLT. ALL FAULTS PERTAINED TO THE OVER SPEED ADAPTER & OVER SPEED TEST SWITCH. ABORTED THE MISSION & LANDED AT THE CLOSESJul 5, 2014 · N459AM · Bell 407 · Central WarningSDR CA140709008Skid · broken(CAN) ON FINAL APPROACH TO LANDING THE TAIL SKID, STINGER, WAS OBSERVED FROM THE GROUND AS HANGING AT AN UNUSUAL ANGLE. AFTER A NORMAL LANDING THE AME FOUND THE STINGER STEEL TUBE FRACTURED WITH 25 PERCENT CLEAN METAL AND 75 PERCENT RUST. SUSPECT THE FRACTUREJul 3, 2014 · Bell 407 · Auxiliary Gear (Tail Skid)SDR CA140714004Journal · spalled(CAN) AFTER REMOVAL OF MAST ASSY, TECH DISCOVERED SPALLING AT THE LOWER MAST JOURNAL AREA. MAST WILL BE SENT TO MFG FOR FURTHER INVESTIGATION.Jul 1, 2014 · Bell 407 · Main Rotor Mast/SwashplateSDR CA140714005Fadec · inoperative(CAN) FADEC SYS GENERATED A SERIES OF FAULT INDICATIONS IN FLIGHT, REF PHOTOS BELOW, ON 27, JUNE 2014, INDICATING A RAM FAULT CAUSING THE REVISIONARY GOVERNOR TO TAKE OVER CONTROL OF ENGINE GOVERNING. THE ENGINE CONTINUED TO OPERATE NORMALLY, AND THE HELICOPTJun 27, 2014 · Bell 407 · Fuel Controlling SystemSDR CA140627014Nut · missing(CAN) TURBINE ATTACH HARDWARE FOUND LOOSE AND 1 MISSING.Jun 25, 2014 · Bell 407 · Turbine SectionSDR CA140627015Combust Chamber · cracked(CAN) AME NOTICED CRACK IN RT ARMPIT AREA OF OUTER COMBUSTION LINER DURING DAILY INSPECTION, PRIOR TO NEXT DAY`S FLYING. CRACK IS 2.0" LONG, RUNNING HORIZONTALLY INTO WIRE MESH PATCH AREA. CONFIRMED ON ENGINE RUN UP, BLOWING AIR. ENGINE PERFORMANCE CHECKS HJun 24, 2014 · Bell 407 · Turbine Engine Combustion SectionSDR CA140625005Transmission · making metal(CAN) TRANSMISSION FOUND MAKING METAL ON CHIP PLUG AFTER 219.5 HRS SINCE LAST OVERHAUL.Jun 24, 2014 · Bell 407 · Main Rotor GearboxSDR QMLA2014061214071Warning Light · illuminatedDURING A CREW NVG CURRENCY & TRAINING FLIGHT, THE PILOT RECEIVED AN ENG CHIP LIGHT ILLUMINATION WHILE IN CRUISE ATTITUDE. HE LANDED WITHOUT INCIDENT. THIS ACFT IS CURRENTLY OUT OF SERVICE AWAITING AN ENG TO ARRIVE AT THE TIME OF THIS SUBMISSION.Jun 12, 2014 · N247SM · Bell 407 · Central WarningSDR M3XA2014061205Chip Detector · unlockedAFTER TAKEOFF DURING A PATIENT TRANSFER FLIGHT, THE PILOT ENCOUNTERED A CWP TRANSMISSION PRESS LIGHT ILLUMINATION. IMMEDIATELY PERFORMED AN UNSCHEDULED LANDING. PILOT REPORTED 3 MINUTES OF FLIGHT TIME WITH A 2 MINUTE COOL DOWN FROM THE TIME THE LIGHT ILLUMINJun 11, 2014 · N512MT · Bell 407 · Main Rotor GearboxSDR CA140617007Knob · loose(CAN) DURING THE INSPECTION OF NEW DELIVERY 407GX A KNOB AND SEVERAL WASHERS ARE FOUND IN THE RIGHT CHIN BUBBLE AREA.Jun 10, 2014 · Bell 407 · Indicating/Recording SystemSDR QMLA2014060814068Warning Light · illuminatedDURING CRUISE FLIGHT THE MGT MISCOMP LIGHT ILLUMINATED. ALERTED THE CREW & ADVISED THEM THAT THEY WOULD BE ABORTING THE FLIGHT & RETURNED TO BASE. THE RFM EMER PROCEDURE STATES TO AVOID HIGH POWER SETTINGS IF POSSIBLE & LAND AS SOON AS PRACTICAL. ONCE ON THJun 8, 2014 · N434AM · Bell 407 · Central WarningSDR QMLA2014060314070Unknown · failedPATIENT ON BOARD, COMM 1 & COMM 2 FAIL SIMULTANEOUSLY. PILOT COMMUNICATES WITH TOWER VIA HOSPITAL FREQ ON TDFM & RECEIVES TRANSPONDER SQUAWK & APPROACH INSTRUCTIONS. AFTER SHUTDOWN, POWER IS REAPPLIED. COMM 1 REMAINS INOPERATIVE, COMM 2 IS OPERATIONAL. DEFJun 3, 2014 · N408LN · Bell 407 · Communications SystemSDR QMLA2014060214061Warning System · false activationTHE PILOT REPORTED THAT DURING CRUISE FLIGHT THE MGT MISCOMP LIGHT ILLUMINATED. ABORTED THE FLIGHT & RETURNED TO BASE. FOUND NO FAULTS WITH THE PREVIOUS REPAIR THAT WAS REPORTED UNDER SDR QMLA2014053014060 FOR THIS SAME TYPE OF EVENT. AFTER A THOROUGH INSPEJun 2, 2014 · N434AM · Bell 407 · Central WarningSDR IAVA201406110001Combustion Case · crackedOUTER COMBUSTION CASE CRACKED ON THE RT SIDE UNDER WIRE REINFORCEMENT PATCH.May 30, 2014 · N1197 · Bell 407 · Turbine SectionSDR QMLA2014053014060Terminal Block · looseDURING CRUISE FLIGHT, THE PILOT REPORTED A MGT MISCOMP CAUTION LIGHT ILLUMINATE. ABORTED THE REMAINDER OF THE FLIGHT & RETURNED TO BASE. FOUND A TERMINAL BLOCK LOOSE BEHIND THE INSTRUMENT PANEL. THIS BLOCK & TERMINAL ENDS WERE SECURED & THE ACFT WAS RETURNEMay 30, 2014 · N434AM · Bell 407 · Engine ControlsSDR M3XA201405251405Chip Detector · contaminatedTRANSMISSION CHIP LIGHT, SAFE LANDING & VERY MINOR FUZZ. CLEAN PLUGS, 20 MIN PENALTY UNDER TORQUE, NO CHIP LIGHT, BIS.May 25, 2014 · N512MT · Bell 407 · Rotor Drive Indicating SystemSDR CA140526006Ecu · malfunctioned(CAN) FLIGHT CREW WAS PREFORMING TRAINING, ON THE GROUND AT 100 PERCENT NR THE FLIGHT CREW ACTIONED AN EXCESSIVE ELECTRICAL LOAD EMERGENCY PROCEDURE IAW FMS 3-7-B. THE TRAINING PILOT IN THE RT SEAT SELECTED GENERATOR SWITCH TO THE OFF POSITION AND THEN SELECTEMay 23, 2014 · Bell 407 · Fuel Controlling SystemSDR ALGA2014081333292Bearing · wornCENTER BEARING & LINER WORN.May 16, 2014 · N405AL · Bell 407 · Main Rotor SystemSDR CA140507005Indicator · broken(CAN) ON ROUTINE INSPECTION, AN ENGINEER FOUND THAT THE CEFA OIL BYPASS INDICATOR WAS POPPED. THE FILTER BOWL WAS REMOVED AND FOUND THE INTERNAL COMPONENTS OF THE BYPASS INDICATOR IN THE FILTER/BOWL.May 5, 2014 · Bell 407 · Turbine Engine Oil SystemSDR M3XA2014050204Chip Detector · contaminatedMEDICAL CREW WAS ENROUTE WITH A PATIENT ONBOARD. AT 1.1 HOURS IN FLIGHT, THE PILOT ENCOUNTERED A TRANSMISSION CHIP LIGHT. AT THIS TIME A PRECAUTIONARY LANDING WAS MADE. FOUND SOME SMALL FUZZ PIECES ON THE LOWER CHIP DETECTOR. FOLLOWING THE STEPS OUT OF THEMay 2, 2014 · N512MT · Bell 407 · Rotor Drive Indicating SystemSDR QMLA2014050114046Chip Detector · contaminatedDURING TAKEOFF THE TAIL ROTOR CHIP LIGHT ILLUMINATED. ABORTED THE FLIGHT & RETURNED TO THE BASE. CLEANED & REINSTALLED THE TAIL ROTOR GEARBOX CHIP DETECTOR & RETURNED THE ACFT TO SERVICE. THIS ACFT HAS LOGGED APPROXIMATELY 9 FLIGHT HOURS SINCE THIS EVENT WIMay 1, 2014 · N124AM · Bell 407 · Tail Rotor GearboxSDR EVCA2014042800058Compressor · crackedENG COMPRESSOR SCROLL CRACKED.Apr 28, 2014 · N499AE · Bell 407 · Turbine Engine Compressor SectionSDR M3XA2014041803Chip Detector · contaminatedAIRCRAFT WAS CONDUCTING A PATIENT TRANSFER. APPROXIMATELY HALFWAY THROUGH THE TRIP THE PILOT RECEIVED A TRANSMISSION CHIP LIGHT. THE PILOT IMMEDIATELY LOCATED THE SAFEST PLACE TO LAND IN A LARGE HAY FIELD. THE PATIENT WAS THEN TRANSFERRED BY LIFE AIR RESCUEApr 15, 2014 · N108MT · Bell 407 · Rotor Drive Indicating SystemSDR CA140328008Housing · cracked(CAN) DURING OVERHAUL THE FREEWHEEL ASSEMBLY, IT WAS NOTICED THAT A LARGE CRACK HAD FORMED UNDER THE O-RING GROOVE OF THE CHIP DETECTOR HOUSING. SHOULD THE CRACK HAVE CONTINUED AND THE CHIP DETECTOR HOSING HAD BROKEN FREE OF THE FREEWHEEL UNIT, OIL UNDER PRESMar 28, 2014 · Bell 407 · Engine/Transmission CouplingSDR QMLA2014032714032Compressor · crackedDURING ACFT AIRWORTHINESS CHECK, A 3/8 INCH CRACK WAS NOTED ON THE RT SIDE OF THE ENGINE COMPRESSOR ASSEMBLY IN THE COMPRESSOR HOUSING.Mar 27, 2014 · N404LL · Bell 407 · Turbine Engine Compressor SectionSDR CA140401018Combustion Case · cracked(CAN) A SUDDEN ENGINE LOSS OF POWER WAS FELT BY THE CREW DURING TAKEOFF FROM A BUILDING HELIPORT. EVEN WITH THIS CONDITION, THE CREW DECIDED TO FLY THE ACFT 25 MINUTES BACK TO THEIR MAIN BASE. AN INSPECTION WAS CONDUCTED AFTER LANDING AND ENGINE SHUTDOWN, FIMar 26, 2014 · Bell 407 · Turbine Engine Combustion SectionSDR QMLA2014032614031Support Angle · crackedDURING AN EVENT 2 INSPECTION THE TECHNICIAN, USING VISUAL CRITERIA & A 10X MAGNIFIER, FOUND A CRACK ON THE LT UPPER SUPPORT ANGLE. THE CRACK IS APPROXIMATELY 1.5 INCHES AFT OF THE HORIZONTAL STABILIZER LE.Mar 26, 2014 · N911AL · Bell 407 · Rotorcraft Tail BoomSDR CA140326021Blade · cracked(CAN) DURING INSPECTION AT CSF, TWO MAIN ROTOR BLADES WERE FOUND WITH SMALL CRACKS ON THE L/E STRIPS. OPENMar 25, 2014 · Bell 407 · Main Rotor BladesSDR CA140331005Control Unit · malfunctioned(CAN) EXPERIENCED A FADEC FAIL TODAY ON A TEST FLIGHT FOLLOWING A NR 1 BEARING SEAL REPLACEMENT. DURING THE TEST FLIGHT THE FADEC SUDDENLY WENT INTO MANUAL MODE, THROTTLE RESPONDED WITH PILOT INPUTS AND THEY LANDED THE ACFT SAFELY AT AIRPORT. MFG IS SENDING Mar 20, 2014 · Bell 407 · Fuel Controlling SystemSDR CA140318008Chip Detector · cracked(CAN) DURING THE O/H OF THE TRANSMISSION IF WAS FOUND THAT THE OIL DRAIN PLUG/CHIP DETECTOR WAS CRACKED AT THE RADIUS OF THE FEMALE HOUSING ITEM NR 36 IN THE IPC.Mar 17, 2014 · Bell 407 · Main Rotor GearboxSDR QMLA2014031414025Fadec · malfunctionedDURING FLIGHT FADEC DEGRADE, FADEC FAULT & RESTART ILLUMINATED.Mar 12, 2014 · N434AM · Bell 407 · Fuel Control/Turbine EnginesSDR QMLA2014022814019Fadec · faultedON DEPARTURE, THE FADEC DE GRADE LIGHT ILLUMINATED. THE PILOT RETURNED TO BASE & WHEN HE LANDED THE FADEC FAULT LIGHT ILLUMINATED. THE ACFT THEN WENT INTO MANUAL MODE & THE THROTTLE WAS UNRESPONSIVE TO INPUT. THE ENG STAYED AT 100% WHEN THE THROTTLE WAS IN Feb 28, 2014 · N434AM · Bell 407 · Fuel Control/Turbine EnginesSDR CA140224021Wire · chafed(CAN) HAD A FLAME OUT CONDITION CAUSED BY FUEL STARVATION ON APPROACH FOR LANDING. WE TROUBLESHOOT THE ISSUE TO THE FUEL VALVE CLOSING UNCOMMANDED DUE TO THE FUEL VALVE SWITCH CLOSE COIL WIRE CHAFING AGAINST SCREW ON THE 28V BUS BAR IN OVERHEAD BREAKER PANEL. Feb 21, 2014 · Bell 407 · Fuel System WiringSDR QMLA2014021314015Fadec · faultedDURING FLT FADEC DEGRADE LIGHT & RESTART LIGHT ILLUMINATED. AFTER LANDING FADEC FAIL LIGHT ILLUMINATED, SHUT ACFT DOWN.Feb 13, 2014 · N434AM · Bell 407 · Fuel Control/Turbine EnginesSDR M3XA2014021101Deck Plate · dentedTRANSMISSION DECK DENTS.Jan 31, 2014 · N514MT · Bell 407 · Fuselage Miscellaneous StructureSDR 2014FA0000057Shaft · crackedDUE TO METAL GENERATION AND ABNORMAL SOUND ON SHUTDOWN. A CRACK WAS FOUND ON PT OUTER SHAFT.Jan 31, 2014 · Bell 407 · Turbine SectionSDR QMLA2014012914011Engine · making metalAFTER STARTING UP THE ACFT FOLLOWING THE LOADING A PATIENT, THE ENG CHIP LIGHT CAME ON, ABORTED THE START. THE PATIENT WAS SENT BY GND AMBULANCE & THE MECHANIC CAME OUT & CLEANED CHIP PLUGS, CHANGED ENG OIL FILTER & DID A 30 MIN GND RUN. RECHECKED THE CHIP PLJan 29, 2014 · N247SM · Bell 407 · Engine (Turbine/Turboprop)SDR 2014FA0000005Lock Nut · brokenDURING TAKEOFF, CREW EXPERIENCED A SUDDEN, MASSIVE, AND CONTINUOUS VIBRATION. MAINTENANCE INVESTIGATION DETERMINED THAT THE SELF-LOCKING CASTELLATED NUT, SECURING THE FORWARD OIL COOLER DRIVE SHAFT BEARING HOUSING TO THE AIRFRAME MOUNT HAD A TOOTH FRACTURED OJan 7, 2014 · Bell 407 · Tail Rotor Drive ShaftSDR CA140108015Scroll · cracked(CAN) APROXIMATELY 1.25" LONG CRACK FOUND ON COMPRESSOR SCROLL EXTERIOR DURING ACFT DAILY INSPECTION. SCROLL PART AND SN WILL BE ADDED TO THIS SDR WHEN AVAILABLE. THIS WAS "THIN-WALL" TYPE SCROLL THAT HAS HISTORY OF CRACKING. THIS WAS LAST REMAINING THIN WALJan 4, 2014 · Bell 407 · Turbine Engine Compressor SectionSDR M3XA201401060007Bracket · crackedFOUND CRACK IN BRACKET UPPER BROOM CLOSET.Dec 30, 2013 · N911WA · Bell 407 · Fuselage Miscellaneous StructureSDR 2013FA0000779Drive Ring · wornAIR CONDITIONING DRIVE PULLEY, PN S-3532EC-4 WORKED LOOSE DUE TO EXCESSIVE WEAR TO THE AIR COMM DRIVE RING. THE AIR COMM DRIVE RING, PN 3235EC-5 SPLINES ARE ABOUT 85 PERCENT WORN AND THE T/R DRIVE SHAFT, BLOWER, SPLINES ABOUT 30 PERCENT WORN. THIS PROBLEM WADec 26, 2013 · N407DG · Bell 407 · Tail Rotor Drive ShaftSDR M3XA201312260005Engine · making metalPILOT BEGAN TO PULL UP ON COLLECTIVE & RECEIVED AN ENG CHIP LIGHT ILLUMINATION. PULLED BOTH UPPER & LOWER CHIP DETECTORS & FOUND EXCEEDANCE OF CHIPS & FLAKES THAT IS IAW M250-C47B, 72-00-00, 8 E SECTION. ENG CHANGE REQUIRED.Dec 26, 2013 · N522MT · Bell 407 · Engine (Turbine/Turboprop)SDR M3XA20131226004Engine · making metalPILOT & CREW WAS ON A PATIENT TRANSFER FLIGHT WHEN THE ENG CHIP LIGHT ILLUMINATED. PILOT WAS FLYING DIRECTLY OVER MARSHALL, TX AIRPORT & MADE AN IMMEDIATE LANDING WITHOUT ANY FURTHER ISSUES. PULLED BOTH UPPER & LOWER CHIP DETECTORS & FOUND FLAKES & CHUNKS THDec 26, 2013 · N108MT · Bell 407 · Engine (Turbine/Turboprop)SDR CA140108013Hinge Pin · migrated(CAN) MECHANIC REPORTED A TRANSMISSION COWL DOOR LT THE ACFT IN FLIGHT. THE MECHANIC REPORTED HE BELIEVES THE HINGE PIN MIGRATED OUT OF THE TOP OF THE HINGE AND THE BOTH THE PIN AND THE DOOR LT THE ACFT. NO OTHER DAMAGE WAS REPORTED TO THE ACFT.Dec 15, 2013 · Bell 407 · Fuselage Main, StructureSDR CA131210007Transducer · fouled(CAN) DURING GROUND RUN, FADEC FAULT/DEGRADE LIGHT ILLUMINATED. PILOT ATTEMPTED TO SWITCH OFF ENGINE BUT COULD NOT, THEN SUCCESSFULLY SELECTED TO SWITCH OFF MANUALLY. INVESTIGATION INITIATED BY MRO, WHICH REVEALED THE COLLECTIVE PITCH (CP) TRANSDUCER FAILED. Nov 29, 2013 · Bell 407 · Main Rotor ControlSDR CA131129004Line · leaking(CAN) THE ENGINE WAS REMOVED FROM ACFT DUE TO A SERVICE INSPECTION REQUIRED, SB 407-13-99RA. DURING THAT TIME IT WAS FOUND THAT OIL LINE PN 70-037A0910-000 WAS SEEPING BLACK FRETTING OXIDE OUT OF ITS INTERNAL PORTION, AFTER FURTHER INSPECTION THE STEEL BRAIDNov 25, 2013 · Bell 407 · Turbine Engine Oil SystemSDR CA131025006Block · burned(CAN) PILOT PLUGGED IN THE HEATER AT THE END OF THE DAY AND HEARD A POP NOISE. HE UNPLUGGED THE HEATER AND REPORTED THE DEFECT TO MAINTENANCE. UPON INSPECTION IT WAS FOUND THAT A JUNCTION BLOCK HAD INTERNALLY SHORTED CAUSING THE BLOCK TO BURN AND MELT. IT WAOct 25, 2013 · Bell 407 · Heating System
Back to Bell 407