JASC 7414
Service difficulty reports · 2,449
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 20010423CW013Rotor · brokenPILOT REPORTED EXCESSIVE MAG DROP. FOUND RIGHT MAGNETO ROTOR ASSEMBLY CAM SLOT TO BE BROKEN.SDR KBMA88699Magneto · leakingREAR ENGINE MAGNETO SEAL LEAKING.SDR 20010419CW006Pinion Gear · malfunctionedENGINE QUIT WHEN LEFT MAG WAS SELECTED DURING MAG CHECK AFTER START. RESTART WAS UNEVENTFUL. WITH MAG SWITCH IN BOTH, ENG WOULD NOT DEVELOP POWER, BEGAN BACKFIRING AND AFTERFIRING. ATTEMPT TO CHECK MAG TIMING, FOUND THE ENG LT MAG WOULD ONLY TURN INTERMITSDR 20010419CW017Rotor · corrodedROTATING MAGNET SHAFT CORRODED WITH PITTING. IMPULSE COUPLING IN SAME CONDITION. LEFT SIDE OF ACCESSORY CASE APPEARS TO COLLECT MORE MOISTURE TO CREATE THIS CONDITION. THIS IS 2ND MAG ON THIS ENGINE SINCE NEW.SDR AU010255Magneto · failed(AUS) RT MAGNETO FAILED.SDR AU010252Pin · failed(AUS) RT ENGINE MAGNETO IMPULSE COUPLING PIN MIGRATED OUT, ALLOWING THE FLANGE SECURING PIN AND FLANGE TO FAIL. LOSS OF ENGINE OIL.SDR CA010313019Capacitor · failed(CAN) AIRCRAFT HAD FLOWN 2-3 HOURS ENGINE SHUT DOWN TO UNLOAD PASSENGERS. PILOT STARTED 1 ENGINE BUT 2ND WOULD NOT START. PROBLEM WAS INVESTIGATED AND CAPACITOR FOUND U/S. CAPACITOR REPLACED AND ENGINE STARTED. WE HAVE HAD 3 SUCH CASES IN THE LAST MONTH. WE HASDR 20010320CW017Rotor Shaft · crackedDURING ENGINE RUNUP, PILOT NOTICED 250 RPM DROP DURING MAG CHECK AT 2000 RPM. THE ENGINE WAS ALSO RUNNING VERY ROUGH ON ONE MAG. MAG INSPECTION REVEALED THAT THE ROTOR SHAFT WAS CRACKED IN TWO AT THE BASE OF THE SLOT IN THE SHAFT.SDR 20010320CW016Rotor Shaft · crackedDURING ENGINE RUNUP THE PILOT NOTICED A 250 RPM DROP DURING MAG CHECK AT 2000 RPM. THE ENGINE WAS ALSO RUNNING VERY ROUGH ON THIS ONE MAG. MAG INSPECTION REVEALED THAT THE ROTOR SHAFT WAS CRACKED IN TWO AT THE BASE OF THE SLOT IN THE SHAFT.SDR AU010176Shaft · failed(AUS) MAGNETO SHAFT BROKEN IN AREA WHERE THE POINTS CAM ATTACHES.SDR 20010416CW003Magneto · failedFOUND COIL BURNED OUT. BURNED ELECTRIC SMELL.SDR 20010420CW004Rotor · brokenPILOT REPORTED ENGINE DIES DURING MAG CHECK. TIMING CHECK REVEALED POINTS NOT OPENING AND CLOSING. MAGNETO CHANGE FOR OVERHAUL ASSEMBLY. FOUND ROTOR SHAFT SNAPPED AT BEARING CAP.SDR 20010322CW014Rotor · shearedPILOT REPORTED RT MAGNETO TO BE INOPERATIVE DURING GROUND RUNUP. THE ASSIGNED TECHNICAN REMOVED THE RIGHT MAGNETO AND FOUND THE CAM SLOT ON THE ROTOR SHAFT COMPLETELY SHEARED OFF. CAUSE UNKNOWN POSSIBLE PART DEFECT. THIS MAGNETO WAS INSPECTED EVERY 500 HOURSDR 20010402CW001Magneto · brokenRT ENGINE, LT MAGNETO POINT CAM FOLLOWER ARM BROKE AFTER 124.9 HOURS USE. MAGNETO OVERHAULED. INSTALLED 6-2-99 AT 2180.1 HOURS. FAILED AND REMOVED AT 2305.0 HOURS.SDR CA010226011Magneto · failed(CAN) AIRCRAFT HARD TO START. RETARD LOW INTENSITY SPARK. REPLACED MAGNETO.SDR S2L2002F00000Magneto · failedTHE MAGNETO APPEARS TO HAVE INTERNAL FAILURE. PART SHOWS GUIDENCE OF ARCHING AND EXCESSIVE HEAT. PICTURES ARE AVAILABLE ON REQUEST.SDR 20010227SG001Magneto · failedPILOT REPORTED THAT THE MAGNETO WOULD FAIL ON RUN UP. TROUBLESHOT THE SYSTEM AND FOUND THE MAGNETO INTERIOR COATED IN BRONZE LIKE METAL FLAKES. DETERMINED THAT THE BLOCK BEARING HAD FAILED AND THE ROTOR HAD CHAFED THE POINTS DOWN. THE MAGNETOS HAD BEEN OVERSDR 20010323CW002Magneto · failedENGINE WAS REMOVED FOR TBO DUE WHEN INSPECTED MAGS FOR SERVICEABLILITY. CAN HEAR CLICK INTERNALLY. DETERMIND MAG TO BE UNSERVICEABLE. PREVIOUS EXPERIENCE, SUSPECT LOOSE COIL DUE TO COIL WEAR AT POLAR SHOES.SDR 20010207CW002Shaft · looseTHE GEAR AND SHAFT WERE FOUND LOOSE AND RETAINER WASHER WAS LOOSE AND RUBBING ON COIL FINGER.SDR 20010205CW008Rotor · brokenROTOR BROKE AT CAM AND GEAR LOCATION/DRIVE GEAR.SDR AU010076Capacitor · broken(AUS) LT MAGNETO CAPACITOR CONNECTING WIRE BROKEN DUE TO LOOSE BEARING CAP. FURTHER INVESTIGATION FOUND THE BEARINGS TO BE DRY AND AN UNKNOWN SUBSTANCE UNDER THE BEARING CAP HOLD-DOWN PLATES WHICH PREVENTED THE CAP BEING PROPERLY SECURED.SDR 20010222CW005Coil · damagedMAGNETO REMOVED FROM UNSERVICEABLE ENGINE. DURING INSPECTION TO DETERMINE SERVICEABILITY, FOUND COIL WIRE BROKEN AT POINTS END JUST BEFORE SPADE CONNECTOR.SDR 20010302CW003Drive Gear · brokenMAGNETO DRIVE GEAR BROKEN. BROKEN PIECE LODGED BETWEEN CAM GEAR AND GENERATOR GEAR, BREAKING GENERATOR SHAFT, DESTROYING GENERATOR, CAM GEAR AND OIL PUMP COVER. BOTH MAGNETO DRIVE GEARS WERE UNAPPROVED PARTS. PARTS INSTALLED.SDR CA010226018Magneto · failed(CAN) ENGINE STARTING RUNNING ROUGH IN CRUISE FLIGHT PILOT RETURNED TO STATION. GROUND RUN INDICATED EXCESSIVE RPM LOSS ON RT MAGNETO. MAGNETO REPLACED AND FOLLOW UP GROUND RUN CARRIED OUT RESULTING IN NORMAL RPM (STATIC) AND RT RPM DROP WITHIN LIMITS. NO APPASDR 20010222CW008Housing · wornDURING ANNUAL INSPECTION , MAGNETS WERE FOUND TO BE OUT OF TIME TO THE ENGINE. EXAM OF CAM / CONTACT POINT AREA, DISCLOSED OIL AND LG AMTS OF DUST AND ALUMINUM SHAVINGS. DISASSEMBLY OF MAGNETS DISCLOSED BEARING, OUTER RACE / CUP / LOOSE IN THE HOUSING. WESDR 20010123CW008Rotor · crackedCRACK FOUND AT ROUTINE 500 HOUR INSPECTION.SDR 20010209CW008Capacitor · failedDURING TROUBLE SHOOTING A RUFF MAG PROBLEM, WE FOUND THAT THE MAG CAPACITOR PN10-382681 WAS COMING APART, SWEGED ON TOP SECTION WAS LOOSE. THIS FAILED CAPCITOR HAS A DATE CODE OF 9948.SDR 20010126CW015Magneto · failedMIR / FSD- ON DEPARTURE, GOT A BAD AIRFRAME VIBRATION, RETURNED TO AIRPORT. LEFT ENGINE, LEFT MAGNETO HAD A 700 RPM DROP, REMOVED AND REPLACED MAGNETO. OPS CHECK GOOD. AC RETURNED TO SERVICE.SDR 20001227SH010Magneto · failedPRE-FLIGHT RUN UP MAGNET CHECK REVEALED MAGNETO DEAD. POST-REPLACEMENT INSPECTION REVEALED EXCESSIVE. RADIAL AND END PLAY ON ROTATING MAGNET SHAFT POINTS WOULD NOT OPEN. (X)SDR 20001227SH011Capacitor · inoperativePRE-FLIGHT RUN UP REVEALED EXCESS RPM DROP ON MAG CHECK. POST-REPLACEMENT INSPECTION REVEALED POINTS BURNED AND CAPACITOR WIRE BROKEN AT CONNECTOR END. (X)SDR 20001218SH032Distributor · wornDURING SCHEDULED 500-HOUR INSPECTION OF MAGNETO, FOUND DISTRIBUTOR GEARSHAFT AND BLOCK BEARINGS WORN. PARTS WERE REPLACED. P/N M3828 GEAR REPLACED AND MAGNETO INSTALLED AND TIMED. (X)SDR 20001218SH029Distributor · wornDURING SCHEDULED 500-HOUR INSPECTION OF MAGNETO, FOUND DISTRIBUTOR GEARSHAFT AND BLOCK BEARINGS WORN. THIS WEAR HAD ALLOWED BRUSH TO WEAR WHICH CAUSED METAL CONTACT AND WEARING OF THE COIL, THE MAGNETO WAS REPLACED. GEAR AND BLOCK ASSY, PN K-3823. (X)SDR 20010321CW002Magneto · defectiveMAGNETO WAS RECEIVED FROM FACTORY, REMOVED FROM PACKAGE, INSTALLED ON AIRCRAFT. AFTER INSTALLATION, ENGINE WAS RUN AND FOUND NOT TO RUN EFFECIENTLY AT THAT TIME. MAGNETO WAS REMOVED AND REPLACED WITH ANOTHER MAGNETO, ENGINE RAN NORMAL.SDR 20001212SH009Distributor Blk · damagedBURNED ELECTRODES IN BLOCK TOO BIG OF A GAP, EXCESS WEAR, CRACKED BLOCK. (X)SDR 20001204SH018Case · corrodedABOVE 2,100 RPM, ENGINE WOULD HAVE ROUGHNESS. LEFT MAG WOULD CHECK GOOD, BUT RIGHT WOULD RUN ROUGH AND CAUSE AFTERFIRING, SOMETIMES VERY LOUDLY. BELOW 2,100 RPM, MAG CHECKS WERE NORMAL. PROBLEM TRACED TO POOR CONTACT ASSY GROUND CAUSED BY CORROSION IN MAGNESDR CA001212022Magneto · failed(CAN) LT MAGNETO SHOWED EXCESSIVE RPM DROP DURING GROUND RUN. (X)SDR CA001201015Contactor · worn(CAN) FAILURE OF THIS MAG WAS CAUSED BY EXCESSIVE WEAR OF THE NYLON RUB BLOCKS ON THE POINTS. TEAR DOWN INSPECTION OF THE MAG REVEALED WORN BLOCKS AND THE WICKS WERE DRYER THAN NORMAL. THERE IS NO EVIDENCE OF THE TYPE OF OVERHEATING THAT IS CAUSED BY A FAILEDSDR 20001207SH008Wire · brokenPILOT REPORT MAGNETO INOPERATIVE. POST-REPLACEMENT INSPECTION REVEALED POINTS BURNT, CAPACITOR WIRE BROKEN AT CAPACITOR END. (X)SDR 20010413CW014Wire · inoperativePILOT REPORTED MAGNETO INOPERATIVE. POST INSPECTION REVEALED CAPACITOR WIRE BROKEN AT CONNECTOR END AND COIL WIRE BROKEN AT CONNECTOR END.SDR AU001063Rotor · broken(AUS) RIGHT MAGNETO ROTOR SHAFT BROKEN AT THE MAGNET. DURING DISASSEMBLY IT WAS NOTICED THAT THE TORQUE ON THE ROTOR SHAFT NUT WAS VERY HIGH. (X)SDR CA001110004Magneto · failed(CAN) PILOT REPORTED HE HAD MAG DROP AT END OF LEG. OK AT RESTART AND AGAIN BAD AT ARRIVAL. RETURN LEG SHOWED HI-EGT AND HI-CHT. CHECKED MAGNETO TIMING FIRING AT TDC INSTEAD OF 20 DEGREES BDC. ATTEMPTED RE TIMING TO 20 DEGREES IN VAIN. CONCLUSION: INTERNALSDR 20001129SH024Wire · brokenPRE-FLIGHT RUNUP SHOWED SEVERE MAGNETO DROP. POST-REPLACEMENT INSPECTION SHOWED BURNED CONTACTS AND CAPACITOR WIRE BROKEN. (X)SDR 20001026SH011Magneto · contaminatedOWNER REPORTED ENGINE GETTING HARDER TO START, LAST START TOOK 20 MINUTES, WOULD NOT START AT NEXT FUEL STOP. REMOVED SPARK PLUG LEADS TO CHECK FOR SPARK, NONE NOTED ON EITHER MAGNETO. REMOVED BOTH MAGS AND OPENED FOR INSP. FOUND BOTH MAGS FULL OF MELTED GRSDR 20001026SH010Magneto · contaminatedOWNER REPORTED ENGINE GETTING HARDER TO START, LAST START TOOK 20 MINUTES, WOULD NOT START AT NEXT FUEL STOP. REMOVED SPARK PLUG LEADS TO CHECK FOR SPARK, NONE NOTED ON EITHER MAGNETO. REMOVED BOTH MAGS AND OPENED FOR INSP. FOUND BOTH MAGS FULL OF MELTED GRSDR 20001120SH006Capacitor · brokenPILOT COMPLAINT, SEVERE MAG DROP ON PRE-FLIGHT RUN UP. REPLACED MAGNETO AND PROBLEM WAS FIXED. INSPECTION OF OLD MAGNETO REVEALED BROKEN WIRE ON CAPACITORS AND POINTS BURNT. (X)SDR CA001108002Magneto · failed(CAN) ENGINE STARTED TO RUN ROUGH IN FLIGHT AND THEN QUIT. AIRCRAFT FORCED TO DO EMERG LANDING. PRIOR TO INCIDENT, 4.1 HRS EARLIER, RIGHT MAG ROUGH AND DROPPING BELOW LIMITS ON STATIC RUN. MAG REMOVED INTERNAL TIMING SET, REINSTALLED. POINT GAP PRIOR TO RE-SDR CA001107018Rotor Shaft · sheared(CAN) PLANE HAD BEEN SNAGGED FOR A 200 RPM DROP ON RT MAGNETO. MAGNETO WAS PULLED FOR INSPECTION, FOUND THE ROTOR SHAFT TO BE SHEARED. A NEW MAGNETO HAS BEEN RE-INSTALLED. (X)SDR 20001117SH004Coil · openPILOT REPORTED LEFT MAGNETO, LEFT ENGINE, INOPERATIVE. ON PREFLIGHT MAGNETO CHECK, REVEALED COIL WIRE BROKEN AT SPADED CONNECTOR TO MAIN CONTACTS. FACTORY OVERHAULED MAGNETO. (X)SDR CA001103016Capacitor · failed(CAN) AIRCRAFT WAS ON CHARTER FLIGHT. ABOUT 10 MINUTES OUT, THE ENGINE BEGAN TO RUN ROUGH FOR APPROXIMATELY 3 SECONDS. THE ENGINE THEN SMOOTHED OUT FOR DURATION. THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE GROUND RUN CONFIRMED RT MAGNETO DEAD AND INTSDR 20001130SH001Magneto · failedMAGNETO FAILED TO OPERATE. AFTER 4.5 HOURS OF OPERATION. DISASSEMBLY REVEALED THAT DISTRIBUTOR BLOCK TAB NEXT TO COIL HAD BURNED AND MELTED CAUSING MAGNETO TO BECOME INOPERATIVE. DEFECT WAS REPORTED TO SLICK TECHNICAL SERVICES DEPARTMENT. SUBMITTER SUSPECT
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