JASC 7414
Service difficulty reports · 2,448
Reports filed under 7414 · Magneto/Distributor, newest first.
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 jasc_code = '7414' 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.
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 jasc_code = '7414' ORDER BY difficulty_date DESC
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
SDR 2017FA0000629Contact · damagedAIRCRAFT WAS HARD TO START, AFTER TROUBLESHOOTING REMOVED LT MAGNETO 4371 SN 96050726 WITH 634 TT. AIRCRAFT ACC REPLACED THE CONDENSER AND IMPULSE COUPLING. WO 20284. REMOVED RT MAGNETO 4370 SN 9803046 WITH 602TT. AIRCRAFT ACC REPLACED THE CONTACT POINTS, SDR 1SMA201710310001Magneto · malfunctionedAFTER INITIATING TAKEOFF ROLL BY ADVANCING THROTTLE FULL FORWARD, PILOT NOTED LESS THAN NORMAL POWER AND VERIFIED MAXIMUM RPM ACHIEVED WAS 2000 RPM. PILOT REJECTED TAKEOFF AND RETURNED TO GATE. POST FLIGHT RUN-UP REVEALED ROUGH RUNNING ENGINE ABOVE 1,200 RPMSDR 2017FA0000505Shaft · shearedRIGHT MAGNETO SHAFT SHEARED. INSPECTION REVEALED DAMAGE TO CRANKSHAFT GEAR TEETH AND TO ACCESSORY HOUSING CAUSED BY MAGNETO DRIVE GEAR ASSEMBLY IMPACTING THE TEETH AND CASE. PILOT DID NOT REPORT ANY SIGNIFICANT ISSUES WITH ENGINE PERFORMANCE DURING CRUISE. ASDR 2017FA0000490Idler Assy · looseDURING OIL CHANGE, MECHANIC NOTICED LARGE CHIP IN OIL SCREEN. UPON REMOVAL AND EXAMINATION OF ENGINE ACCESSORY CASE, BOTH MAGNETO IDLER SHAFTS MOUNTING HARDWARE WAS FOUND TO BE LOOSE. THE CHIP AND SAFETY WIRE CAME FROM ONE OF THE IDLER SHAFTS, THE SECOND SHAFTSDR 2017FA0000459Magneto · failedINSTALLED A REBUILT MAGNETO DUE TO REMOVED THE MAGNETO NEEDING A 500 HOUR INSPECTION. AT AFTT 1347.7 (380.8 HOURS) THE REBUILT MAGNETO WAS REMOVED BECAUSE ENGINE BEGAN TO FOUL SPARK PLUGS QUICKLY AND HAD A SIGNIFICANT POWER REDUCTION WAS NOTED BY PILOTS DURSDR FQAR20170718067Magneto · undertorquedPILOT REPORTED ENGINE WOULD RANDOMLY LOSE >500 RPM AND THAT ENGINE WAS ROUGH RUNNING. MECHANICS WERE ABLE TO DUPLICATE THIS ISSUE ON THE GROUND AND DISCOVERED THAT THE RIGHT MAGNETO CAPACITOR WAS LOOSE IN MAGNETO'S HOUSING. THE MAGNETO HAD BEEN INSTALLED THE PSDR 2017FA0000301Coil · failedENGINE HAD A LOSS OF POWER, THE FIRST DROP IN POWER WAS FROM 2400 RPM TO 2100 RPM. THEN A SLIGHT RISE IN POWER THEN BACK DOWN TO 2100 RPM. AFTER ADJUSTING THE MIX, CHECKING THE MAGNETOS WHERE ON BOTH, TURNING FUEL PUMP ON, AND VERIFYING FUEL SELECTOR WAS IN THSDR 2017FA0000263Coil · out of toleranceRIGHT MAGNETO FAILED DUE TO BAD COIL M3975. RIGHT MAGNETO WAS REPLACED WITH NEW TTAF 2595.6SDR EVGR2017101600001Points · faultyON INSTALLATION OF THE OVERHAULED MAGNETO IN THE AIRCRAFT, THE TACHOMETER DID NOT WORK. FURTHER INVESTIGATION REVEALED THAT THE TACHOMETER POINTS HAD ZERO CONTINUITY BETWEEN THE TERMINALS AND THE POINTS. REPLACED THE TACHOMETER POINTS AND THE TACHOMETER WORKSDR 2017FA0000280Magneto · faultyWHILE IN FLIGHT, THE TACH SHOWED THE RIGHT MAG GOING OUT OF SYNC WITH LEFT FOR BRIEF MOMENTS. THE TACH INDICATION WOULD SCROLL DOWN AND BACK UP DURING THESE BRIEF EVENTS. THE ENGINE CONTINUED TO RUN SMOOTH AND AT A CONSTANT RPM. ON THE GROUND, A MAG CHECK SSDR FQAR20170614047Magneto · malfunctionedPILOT COULD NOT START ENGINE AFTER SIX ATTEMPTS. INSPECTION BY MAINTENANCE PERSONELL REVEALED THE NEWLY INSTALLED LEFT MAGNETO WAS MALFUNCTIONING.SDR 2017FA0000238Magneto · failedSTUDENT PILOT WAS ON A SOLO CROSS COUNTRY WHEN THE ENGINE LOST POWER, DECLARED AN EMERGENCY AND DIVERTED TO NEAREST AIRPORT. LANDED WITHOUT INCIDENT. MAINTENANCE ARRIVED AND RAN A MAGNETO CHECK. SHOWED RIGHT MAGNETO WAS DEAD AND ENGINE WAS RUNNING ONLY ON LESDR 3SVA2017051617Magneto · wornPILOT WENT TO DEPART AND COULD NOT GET THE RT ENGINE TO START. MAINTENANCE WAS DISPATCHED TO THE AIRCRAFT AND FOUND THE POINTS ON THE RT ENGINE LT MAG WERE NOT OPENING. REPLACED POINTS, TIMED ENGINE AND RETURNED TO BASE.SDR 2017FA0000230Housing · crackedDURING AN ANNUAL INSPECTION, FOUND DUAL MAGNETO HOUSING CRACKED AT BOTH HOLD DOWN POINTS.SDR 2017FA0000188Rotor · shearedRIGHT MAGNETO SHAFT SHEARED. INSPECTION REVEALED DAMAGE TO CRANKSHAFT GEAR TEETH AND TO ACCESSORY HOUSING CAUSED BY MAGNETO DRIVE GEAR ASSEMBLY IMPACTING THE TEETH AND CASE. PILOT DID NOT REPORT ANY SIGNIFICANT ISSUES WITH ENGINE PERFORMANCE DURING CRUISE. SDR 2017FA0000160Gearshaft · brokenMAGNETO FAILED IN FLIGHT, FLIGHT WAS MADE TO THE AIRPORT ON THE REMAINING MAGNETO. THE AFFECTED MAGNETO, OLD TYPE LONG COIL TAB, NO SPARK LADDER IN BLOCK. THE FAILURE WAS A BROKEN DRIVE GEAR SHAFT AT THE BOTTOM OF THE POINTS CAM SLOT. THIS RESULTED IN THE SMALSDR T7KR2017032400001Points · looseMAGNETO FRESHLY OVERHAULED. POINT ARM CONTACT MOVING. CAUSED MISFIRING OF ENGINE. REPLACED THE POINTS. THIS PART HAS LESS THAN ONE HOUR TT SNEW.SDR 2017FA0000182Magneto · inoperativeENGINE SHUT OFF AND WOULD NOT RESTART. LOCAL MAINTENANCE REPLACED LT MAGNETO AND IT FIXED THE ISSUE.SDR ECPR2017052474717Rotor · brokenDURING ENGINE RUN UP PRIOR TO TAKEOFF FOR TRAINING LESSON THE RIGHT MAGNETO WAS REPORTED TO HAVE A 200 RPM DROP, EVEN AFTER ATTEMPTS TO IMPROVE THE EXCESSIVE DROP. THE MAGNETO WAS REPLACED AND THE REMOVED UNIT WAS INSPECTED FOR INTEGRITY. THE INSPECTION REVEALSDR 2017FA0000081Capacitor · looseDURING RUN UP, MAGETO FAILED TEST. LESS THAN 1 HR OPERATION AFTER OVERHAULED MAGETOS INSTALLED. DURING INSPECTION FOUND THE CAPACITOR LOOSE IN HOUSING AND COIL WIRE LOOSE AND MAGETO SET IN E GAP. REMOVED OTHER MAG AS A PRECAUTION AND FOUND ITS COIL WIRE LSDR ECPR2017052474669Rotor · brokenDURING ENGINE RUN UP PRIOR TO TAKEOFF FOR TRAINING LESSON THE RIGHT MAGNETO WAS REPORTED TO HAVE A 200 RPM DROP, EVEN AFTER ATTEMPTS TO IMPROVE THE EXCESSIVE DROP. THE MAGNETO WAS REPLACED AND THE REMOVED UNIT WAS INSPECTED FOR INTEGRITY. THE INSPECTION REVEALSDR 2017FA0000392Bushing · wornAIRCRAFT WAS SHOPPED FOR STALL ON LANDING. INSPECTION OF MAGNETO`S SHOWED A COPPER COLORED DUST ON THE LT MAGNETO VENT. BOTH MAGS WERE REPLACED, MAG INTERNAL INSPECTION SHOWED A WORN BUSHING CREATING A METALLIC DUST. CAUSING MAGNETO TO MALFUNCTION. TACH TISDR 2017FA0000387Impulse Coupling · failedIMPULSE COUPLER ON MAGNETO WILL NOT RELEASE WHICH CAUSES A BINDING CONDITION. IF NOT DETECTED IMMEDIATELY CAN CAUSE DAMAGE TO THE LT IDLER GEAR THAT LINKS BETWEEN THE CRANKSHAFT GEAR AND CAMSHAFT GEAR. THIS CONDITION COULD POTENTIALLY CAUSE CATASTROPHIC FAILSDR 2017F00003Service difficultyDURING INSPECTION OF NEWLY PURCHASED FACTORY REBUILT MAGNETO. FOUND FOLLOWING DISCREPANCIES, DISTRIBUTOR GEAR THRUST WASHERS INSTALLED INCORRECTLY, STEEL WASHER (PN 10-391309 WAS INSTALL FIRST AND PLASTIC WASHER (PN 10-391309) INSTALLED LAST, INSTALLED WASHERSSDR 2017FA0000036Points · closedEXPERIENCED ENGINE ROUGHNESS ON LEFT ENGINE, 5-10 MINUTES AFTER DEPARTURE, AT CRUISE ALTITUDE OF APPROXIMATELY 2,500 FEET MSL. ISOLATED THE PROBLEM TO THE RIGHT SIDE OF LEFT ENGINE DUAL MAGNETO AND CONTINUED THE FLIGHT ON THE LEFT SIDE OF DUAL MAGNETO(RIGHT SISDR 20171212006Distributor Gear · wornRIGHT ENGINE STARTED RUNNING A BIT ROUGH. VISUALLY INSPECTED MAGNETOS AND REMOVED RIGHT MAGNETO FOR INSPECTION. DISCOVERED WORN DISTRIBUTOR GEAR. REPLACED MAGNETO WITH OVERHAULED UNIT OF SAME TYPE.SDR YAXA16101801Distributor Blk · loosePILOT REPORTED LEFT ENGINE FAILED TO RUN ON RIGHT MAG. MECHANIC TROUBLESHOT AIRCRAFT, FOUND LEFT ENGINE FAILED TO RUN ON LEFT MAGNETO. THE LEFT MAGNETO WAS REMOVED AND OPENED. THE BUSHING IN THE DISTRIBUTOR BLOCK, P/N 10-391586, WAS FOUND TO BE LOOSE, ALLOWINGSDR 2017FA0000045Distributor · looseAIRCRAFT WAS LANDED ON MUD FLAT NEAR KPAO. LOWER PLUGS WERE FOUND FILLED UP WITH LEAD. AFTER MORE INSPECTION IT WAS FOUND THAT THE MAGNETO DISTRIBUTOR WHEEL TAB HAD COME LOOSE, AND WAS RANDOMLY FIRING CYLINDERS. AT OUR SHOP WE NOW CLEAN THE PLUGS EVERY 25 HOURSDR BIER20160914001Garlock Seal · leakingACFT ARRIVED AT REPAIR STATION FOR OIL CHANGE AND INSPECTION ON RH BRAKE ASSEMBLY. DURING OIL CHANGE, FOUND CONSIDERABLE OIL LEAK ON TOP OF ENGINE, WITH OIL DRIPPING FROM BOTH MAGNETO VENTS. THE OIL LEAKAGE WAS CLEANED UP AND THE OIL CHANGE WAS COMPLETED. DURISDR 2016FA0000430Magneto · inoperativeDURING ENGINE RUN UP, THE PILOT STATED A DEAD MAGNETO THE RT MAGNETO WAS NOT OPERATING. THROUGH THE NORMAL TROUBLESHOOTING PROCEDURES THE RT MAGNETO WAS FOUND TO BE INOPERATIVE.SDR RTE2016F00000Magneto · failedMAGNETO FAILED IN FLIGHT, 30.1 HRS TSN 11 DAYS AFTER FIRST INSTALLATION. DID NOT OPEN MAGNETO TO DETERMINE CAUSE OF FAILURE DUE TO MFG WARRANTY LIMITATIONS CONCERNING DISTURBING THE SEAL. MAGNETO BEING RETURNED TO MFG UNDER WARRANTY.SDR 2016FA0000323Magneto · damagedBOTH MAGNETOS HAD INTERNAL DAMAGE. BOTH MAGNETOS REQUIRED NEW ROTORS, LT MAGNETO REQUIRED NEW ROTOR AND HOUSING DUE TO ROTOR BREAKING AND DAMAGING HOUSING.SDR 2016FA0000285Clamp · deformedNEW MAGNETOS 4301, 2 OFF, PART OF KIT INSTALLED. J-CLAMPS, SUPPLIED WITH KIT WHICH SECURE MAGNETO BASE TO ACCESSORY HOUSING NO LONGER FIT CORRECTLY. UPPER ATTACHMENT, THE SHORT ANGLE OF THE J-INTERFERES WITH THE BASE PLATE OF THE STARTER MOTOR AND CAN ONLY BSDR 2016FA0000370Rotor · crackedAIRCRAFT CAME INTO SHOP FOR ANNUAL INSPECTION AND PILOT MENTIONED THAT ON LAST FLIGHT HE HAD AROUND A 300 RPM DROP ON RT MAGNETO. PILOT LEANED MIXTURE AND PERFORMED ANOTHER CHECK DURING THE ANNUAL INSPECTION THE TIMING VARIED FROM 25 TO 0 DEGREES BEFORE TOP DSDR WS9R2016051300002Magneto · crackedDURING 500 HOUR INSPECTION ROTOR WAS VISUALLY INSPECTED AND A CRACK WAS OBSERVED BETWEEN KEYWAY FOR BLOCK GEAR DRIVE AND TOP OF MAGNETIC HOUSING. PART WAS REPLACED WITH NEW AND MAGNETO RETURNED TO SERVICE. ROTOR AND PICTURES WILL BE RETAINED AND ARE AVAILABLSDR FQAR20160427020Rotor · detachedPILOT REPORTED THE ENGINE DIED WHEN THE LT MAGNETO WAS TURNED OFF AND THE ENGINE WAS ROUGH RUNNING. MAINTENANCE CONFIRMED THE ISSUE, AND WHEN THE RT MAG WAS REMOVED, RATTLING COULD BE HEARD INSIDE. WHEN THE MAG WAS OPENED, THE BROKEN OFF END OF THE ROTOR, INSDR DSFA2016041100097Impulse Coupling · defectiveREMOVED MAGNETO MODEL 6351 FOR THE 250 HOUR IMPULSE INSPECTION REQUIRED BY AD 99-04-04. THE MAGNETO IMPULSE COUPLING FAILED THE INSPECTION SO WE INSTALLED A SERVICEABLE IMPULSE COUPLING. THE MAGNETO HAD 198.8 HOURS SINCE NEW. 16 HOURS LATER THE MAGNETO MODEL SDR 2016FA0000163Cam · oscillatesCHECKING THE MAGNETO TIMING, D6RN-2230 - DUAL MAGNETO, DISCOVERED THE TIMING TO BE 6 DEGREES DIFFERENCE BETWEEN LEFT AND RIGHT SIDES. REMOVED THE MAGNETO AND RESET THE GAP ON THE MAIN POINTS TO ACHIEVE SIMULTANEOUS FIRING. REMOVED MAIN CAM TO INTERNALLY TIMESDR CA160315012Magneto · failed(CAN) PILOT REPORTED ENGINE DIED WHEN SELECTING LT MAGNETO. MAINTENANCE CONFIRMED ISSUE WITH THE MAGNETO AND REPLACED IT.SDR H1ES2016FA0000127Rotor · brokenI WAS HAVING DIFFICULTY TIMING THE RT MAGNETO. REMOVED IT, REMOVED DISTRIBUTOR BLOCK AND GEAR. NOTICED THE ROTOR GEAR WAS LOOSE. I PULLED ON IT AND IT CAME RIGHT OFF WITH PART OF THE ROTOR CAM HOLDER WITH IT. IT WAS CLEARLY BROKEN PRIOR TO REMOVING THE GEARSDR CG9S2016FA0000121Rotor Shaft · crackedDURING MAGNETO 500 HOUR INSPECTION, DISCOVERED ROTOR SHAFT CRACKED AT KEYWAY FOR INTERNAL GEAR. THE KEY WAY AREA WAS ALSO CHIPPED FROM UNKNOWN REASONS. MAGNETO WAS 442 HOURS SINCE REBUILD.SDR ECPR2016022870382Distributor Gear · brokenWHILE PERFORMING THE PRE-FLIGHT RUN UP, THE RT MAGNETO DROP OFF WAS FOUND TO BE 400 RPM AND ROUGH.SDR 2016FA0000088Impulse Coupling · misinstalledDURING 500 HOUR MAGNETO INSPECTION IT WAS NOTED THE IMPULSE COUPLING ON MAGNETO WAS NOT FUNCTIONING PROPERLY. UPON REMOVAL OF IMPULSE COUPLING IT WAS NOTED THAT THE DRIVE KEY WAS NOT INSTALLED IN DRIVE SHAFT PROPERLY AND WAS PROTRUDING AND JAMMING THE PROPER SDR 2016FA0000082Magnet · defectiveREMOVED DEFECTIVE RT MAGNET, OWNER REPORTED DEAD MAG ON RUN UP. REMOVED COVER, BREAKING FACTORY TORQUE SEAL. APRON INSPECTION FOUND THE ROTATING MAGNET CRACKED AND THAT THE SHAFT HAD SLIPPED ON THE SHAFT 6 TEETH FROM ALINEMENT WITH KEY WAY.SDR 2016FA0000087Magneto · looseENGINE ROUGHNESS ON TAKEOFF. BENCH INSPECTION SHOWED BOTH LT AND RT MAGNETO DISTRIBUTER DRIVE GEAR ARMS LOOSE, MFG HAS BEEN NOTIFIED.SDR 2016FA0000036Pickup · failedELECTRIC MAGNETO FAILED. TROUBLESHOOT FOUND MAGNETIC PIC-UP CIRCUIT OPEN. REPLACED WITH NEW AND RUN CHECK SATISFACTORY. REMOVED PART APPEARS TO HAVE DEBONDED FROM CYLINDER AND THERE IS EVEDENCE THAT IT CONTACTED THE CRANK TRIGGER. OAT TEMPERATURE WAS JUST SDR CA160115002Distributor Gear · broken(CAN) ENGINE WOULD NOT RUN ON RT MAGNETO. INSPECTION OF MAGNETO REVEALED NYLON DISTRIBUTOR GEAR NOT TURNING WHEN MAGNETO ROTOR TURNED. FOUND 8 TEETH BROKEN OFF OF THIS GEAR. TEETH FOUND INSIDE MAGNETO, NEAR GEAR. NO REASON FOR FAILURE WAS FOUND. THE CONDITSDR CA160106008Distributor Gear · failed(CAN) DISTRIBUTION GEAR ON RT MAGNETO FAILED IN FLIGHT.SDR 2015FA0000661Gear · strippedDURING CRUISE FLIGHT, ACFT LOST POWER AND DID AN EMERGENCY LANDING. DURING INSPECTION, FOUND RT MAGNETO DISTRIBUTOR GEAR STRIPPED.SDR 2015FA0000660Distributor · brokenDISTRIBUTOR POINTER FELL OFF MAGNETO.
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