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 CA970728004Breaker Points · broken(CAN) ENGINE RUNNING ROUGH ON TAXI. CAM FOLLOWER OF POINTS ASSEMBLY FOUND BROKEN. THIS IS THE SECOND SET OF POINTS TO FAIL WITH THE SAME CONDITION, IN THE SAME MAGNETO, WITHIN 100 HOURS OF OPERATION. CLOSER INSPECTION FOR PROBABLE CAUSE FOUND NOTCHES IN THE CASDR CA970728015Bearing · worn(CAN) ENGINE RUNNING ROUGH AND BACKFIRING. INVESTIGATION FOUND THE MAGNETO ROTOR SHAFT BEARING WORN RESULTING IN THE BREAKER POINTS MOVING OUT OF TOLERANCE.SDR CA970722015Magneto · cracked(CAN) DURING ANNUAL INSPECTION THE MAGNETO COIL WAS FOUND CRACKED ACROSS ITS CASE. FAA AD 81-16-05 WHICH PERTAINS TO THIS SUBJECT WAS SIGNED OFF IN THE ENGINE LOG BOOKS, BUT WAS NOT COMPLIED WITH.SDR 97ZZZX3973Coil · failedSUBMITTER STATES IT IS COMMON FOR THE M3525 ORANGE MAGNETO COILS TO FAIL. THE REPLACEMENT COILS ARE BLACK M3975 OR K3975 AND HAVE BEEN AVAILABLE FOR A FEW YEARS.SDR 98ZZZX965Rotor · failedINSPECTION FOR MAGNETO FAILURE FOUND ROTOR CONTACT END BROKEN.SDR AU970948Capacitor · burnt(AUS) MAGNETO CAPACITOR AND POINTS BURNT - FOUND DURING INSPECTION IAWAD/ELECT/46 AMDT 6SDR 97ZZZX3735Magneto · mistimedWHILE CHECKING MAGNETO TIMING DURING AN ANNUAL INSPECTION, DISCOVERED THE TIMING WAS SET AT TOP DEAD CENTER. ENGINE WAS FACTORY OVERHAULED BY TCM 2 YEARS AGO. IT NOW HAS 145 HOURS ON IT. THE MECHANIC THAT ANNUALED THE AIRCRAFT LAST STATED IN THE LOG BOOK HESDR CA970902023Impulse Coupling · worn(CAN) AIRCRAFT EXPERIENCED LOSS OF ENGINE POWER IN FLIGHT. EMERGENCY NO POWER LA NDING CARRRIED OUT IN FIELD. AIRCRAFT REMOVED FROM FIELD AND DISASSEMBLY OF ENGINE REVEALED THE LEFT HAND MAGNETO IMPULSE COUPLING LOCKED-UP, STRIPPING THE GEARS IN THE ACCESSORY SDR 97ZZZX3158Magneto · defectiveLEFT ENGINE WOULD NOT DEVELOP POWER ON TAKEOFF OUT OF BOS. REMOVED AND REPLACED DEFECTIVE LEFT MAGNETO. OPS CHECKED GOOD.SDR 97ZZZX3017Spring · brokenCUSTOMER COMPLAINED THAT UPON PERFORMING REAR ENGINE MAGNETO CHECK, ONE MAGNETO PRODUCED NO DROP, THE OTHER MAGNETO WOULD CAUSE ENGINE DECELERATE TO THE POINT OF STOPPING. MAGNETO'S WERE REMOVED AND INSPECTED. FOUND IMPULSE COUPLING SPRING BROKEN. THIS IS TSDR 97ZZZX3191Rotor · wornREMOVED MAGNETO FOR INSPECTION. FOUND ROTOR CRACKED NEAR MAGNET. HOUSING WALLS FOUND TO BE WORN. THERE ALSO WAS NO BEARING, THE METAL FROM THE BEARING WAS INSIDE THE MAGNETO.SDR CA970904017Capacitor · failed(CAN) TWO CAPACITORS FAILED AFTER A SIMILAR SHORT OPERATION. WHEN TESTED ON A DIGITAL CAPACITANCE METER BOTH WOULD GIVE INTERMITTENT IRREGULAR READINGS. NYLON PUSHER BLOCK WAS MELTED ON THE BREAKER POINT SIDE INDICATING EXCESSIVE HEAT BUILD UP, BUT THE CONTACTSDR AU970656Gear · failed(AUS) MAGNETO DISTRIBUTOR GEAR TEETH MISSINGSDR AU970644Coil · open circuit(AUS) MAGNETO COIL OPEN CIRCUITEDSDR AU970681Distributor · stripped(AUS) MAGNETO PLASTIC DISTRIBUTOR GEAR TEETH STRIPPEDSDR 97ZZZX2798Bushing · wrong partROUGH ENGINE, LEFT MAG DEAD ON RUN-UP. REMOVED LEFT MAG AND FOUND SHOULDERED MAGNETO DRIVESHAFT BUSHING WITH SHOULDER MISSING. UPON EXAMINATION OF BUSHING, DETERMINED IT WAS THE OLD STYLE, SINTERED IRON PN 10-51659. IT SHOULD HAVE HAD A MACHINED STEEL BUSHISDR 97ZZZX2871Bearing · looseDRIVE END BEARING INNER RACE BECAME LOOSE ON SHAFT CAUSING OIL TO LEAK THOUGH SEAL. MAG HAD AN EXTREME AMOUNT OF OIL INTERNALLY AND STILL RAN NORMALLY.SDR AU970614Condenser · failed(AUS) RH MAGNETO CONDENSER OPEN CIRCUITSDR 97ZZZX3088Impulse Cam · crackedHEARD LOUD POP WHEN INSTALLING IMPULSE ASSEMBLY WHEN 15 POUNDS/FOOT OF TORQUE WAS REACHED. REMOVED AND FOUND INNER HUB OF IMPULSE CRACKED IN THREE PLACES.SDR 97ZZZX2593Magneto · crackedWHEN CHECKING MAGNETOS DURING ENGINE RUN-UP PRIOR TO TAKEOFF, RIGHT MAGNETO GAVE A 350 FOOT RPM DROP ACCOMPANIED BY A VERY ROUGH RUNNING ENGINE. AFTER RIGHT MAGNETO WAS REMOVED FOR TROUBLESHOOTING, CRACKS WERE DISCOVERED ON THE TOP AND BOTTOM OF THE HOUSING ESDR AU970893Impulse Coupling · incorrect assy(AUS) MAGNETO IMPULSE COUPLING INCORRECTLY ASSEMBLEDSDR CA970521007Nut · corroded(CAN) IN CRUISE, LEFT ENGINE STARTED TO RUN ROUGH. AIRCRAFT LANDED. MAG CHECK CARRIED OUT, 300 RPM DROP WITH LEFT MAG OFF. NR 4 CYLINDER LEAD DISCONNECTED, RETAINING NUT MISSING ONLY SMALL RING PART FROM NUT FOUND. INTERGRANULAR CORROSION. REPLACED.SDR AU970541Coil · open(AUS) MAGNETO COIL OPEN CIRCUITED ON HIGH TENSION SIDESDR GXPA97011Magneto · seizedACFT'S RT ENG FAILED IN-FLIGHT. ACFT LANDED AT FDY. NLG COLLA PSED ON LANDING.INSP AND TEAR DOWN OF ENG NOTED THAT RT MAG WAS S EIZED. CRANKSHAFT DRIVE GEAR HAD 6 TEETH MISSING. PARTIAL DISASSEMBLY OF MAG FOUND ROTATING MAGNETS RUBBING THE COIL POLES CAUSISDR 99ZZZX2725Bearing · failedOPERATORS OF AVCO LYCOMING O-540-E4C5 ENGINES FITTED TO BRITTEN NORMAN ISLANDER AIRCRAFT IN GUYANA HAVE BEEN EXPERIENCING PREMATURE FAILURE OF THE MAGNETO DRIVE GEAR BEARINGS. THERE HAVE BEEN INSTANCES OF REPORTED HARD STARTING. ON INVESTIGATION, THE BEARINGSDR CA980325018Distributor Blk · loose(CAN) THE MAGNETO WAS SENT FOR OVERHAUL. ON DISASSEMBLY IT WAS FOUND THAT THE BUSHING, THAT SHOULD HAVE BEEN MOLDED TO THE DISTRIBUTOR BLOCK, WAS EXTREMELY LOOSE BUT STILL IN PLACE. THE BUSHING CAN BE TILTED 10 DEGREES EITHER SIDE OF CENTRE. THE PART WAS REPLASDR CA970513015Magneto · faulty(CAN) MAGNETO APPEARED TO BE TIMED PROPERLY BUT THE POINTS WOULD CLOSE 135 DEGREES AFTER TOP DEAD CENTRE. MAGNETO WAS SENT FOR OVERHAULSDR 97ZZZX2054Spring · brokenBOTH MAGNETOS OVERHAULED APRIL 1995. NEW SPRINGS INSTALLED. BOTH SPRINGS FOUND BROKEN INTO 3 PARTS. CAUSE APPEARED TO BE FROM CORROSION PITS LEADING TO STRESS POINTS. THE REPORT WAS THAT MOST HOURS WERE FLOWN SHORTLY AFTER OVERHAUL AND THEN AIRCRAFT SAT. SDR 97ZZZX2053Spring · brokenBOTH MAGNETOS OVERHAULED APRIL 1995. NEW SPRINGS INSTALLED. BOTH SPRINGS FOUND BROKEN INTO 3 PARTS. CAUSE APPEARED TO BE FROM CORROSION PITS LEADING TO STRESS POINTS. THE REPORT WAS THAT MOST HOURS WERE FLOWN SHORTLY AFTER OVERHAUL AND THEN AIRCRAFT SAT. SDR 97ZZZX2021Bearing · failedPILOT REPORTED LEFT ENGINE LEFT MAGNETO WAS 'DEAD' ON RUN-UP. REMOVED MAGNETO AND OPENED UP FOR INSPECTION. FOUND INTERNAL DAMAGE - MATERIAL BEING WORN AWAY BY ROTATING MAGNET. FURTHER DISASSEMBLY REVEALED DRIVE END BEARING P/N M3006 BALL RETAINER CAGE AND SDR AU970439Magneto · failed(AUS) MAGNETO FAILEDSDR 97ZZZX2120Spring · brokenTROUBLESHOOTING OF 400 RPM MAG DROP FOUND LEFT MAGNETO TIMING AT 7 DEGREES BTC. REMOVED MAG AND FOUND IMPULSE COUPLING SPRING BROKEN TWO INCHES FROM OUTER END.SDR 97ZZZX2583Rotor · shaft shearedROTOR SHAFT SHEARED OFF JUST AFT OF SEAL RUNNER BUSHING. THE BREAK IN THE SHAFT APPEARS TO HAVE BEEN CRACKED FOR SOME TIME. THIS ENGINE HAD MAJOR OVERHAUL 441 HOURS AGO FOR PROP STRIKE. THE RIGHT MAGNETO IS DIRECT DRIVE (NO IMPULSE), AND SUSPECT THE SHAFT FSDR CA970425002Magneto · broken spring(CAN) ENGINE EXPERIENCED LARGE MAG DROP, ON LEFT MAGNETO, DURING RUN-UP. MAGNETO WAS REMOVED AND INSPECTION FOUND THE IMPULSE COUPLING SPRING WEAK AND NOT RETURNING TO ITS NORMAL RUN POSITION. THE IMPULSE COUPLING WAS DISASSEMBLED AND A BROKEN SPRING WAS FOUNDSDR 97ZZZX1974Magneto · gear failedINTERNAL DRIVE GEARS FAILED ON BOTH THE LEFT AND RIGHT SIDES OF THIS 'DUAL STYLE' MAGNETO ASSEMBLY, MODEL NR D6RN-3200. AIR CREW WAS TAXIING AIRCRAFT WHEN RIGHT POWERPLANT STOPPED RUNNING.SDR 97ZZZX1913Rotor Gear · looseTHE ROTOR GEAR LOOSENED ON ROTOR SHAFT DUE TO NORMAL WEAR AND THERMAL CYCLING. THE GEAR THEN RUBBED THE DISTRIBUTOR BLOCK GENERATING NYLON PARTICLES THAT CONTAMINATED THE CONTACTS. THIS RENDERED THE MAGNETO INOPERATIVE. THIS ROTOR GEAR IS A PRESS FIT ON THESDR 97ZZZX1914Coil · failedFOUND COIL IN MAGNETO HAS OPEN SECONDARY CIRCUIT. THIS PART NUMBER COIL IS USED IN MANY MAGNETO MODELS. SUBMITTER STATED SEEING THIS PROBLEM IN MANY COILS MANUFACTURED IN THIS SAME TIME FRAME.SDR 97ZZZX1868Coil · shortedRIGHT MAGNETO ON ENGINE INOPERATIVE. NO ELECTRICAL OUTPUT. FOUND COIL AND SECONDARY COIL OHMS READING TO BE OUT OF TOLERANCE. REMOVED COIL FOUND BURNED OUT SPOT ON BOTTOM OF COIL SHORTED OUT TO CASE. INSTALL NEW COIL.SDR 97ZZZX2020Cam Assy · rivet failedDURING ACCOMPLISHING SB MSB645, NR 639, AND AD 96-12-07, FOUND MAG SNAP RING CAM ASSY HAD RIVET FAILURE.SDR 97ZZZX1834Rotor Shaft · brokenMAGNETO ROTOR SHAFT SHEARED .25 INCH BELOW CAM. SUBMITTER RECOMMENDS VISUAL INSPECTION OF SHAFT AT DISASSEMBLY.SDR 97ZZZX1901Magneto · looseINSPECTION FOUND MAG COULD BE MOVED DUE TO BASE METAL FROM FLANGE MISSING TOP AND BOTTOM ABOUT .0625 INCH. MAG P/N 10-68291018, TYPE D6RN3200. SUBMITTER STATED THIS IS 2ND MAG 2000/3000 SERIES FOUND LOOSE WITH FLANGE METAL MISSING.SDR AU970227Bearing · failed(AUS) MAGNETO CAM END ROTOR BEARING FAILED - MAGNETO CONTAMINATED WITHMETAL DUSTSDR 97ZZZX1228Distributor Gear · teeth brokeMAGNETO DISTRIBUTOR TEETH BROKE DURING RUN-UP. RECOMMEND BETTER QC DURING MANUFACTURE.SDR CA970219009Magneto · failure(CAN) MAJOR FAILURE OF THE DISTRIBUTOR GEAR. MAGNETO HOUSING WAY OUT OF SPECIFICATIONS. THIS IS A 2000 SERIES MAGNETO THAT HAS BEEN RE-IDENTIFIED AS A 3000 SERIES BY OBLITERATING AND RESTAMPING THE NAME PLATE. THE ENGINE WAS RECENTLY OVERHAULED.SDR AU970214Magneto · failed(AUS) MAGNETO FAILED - INSPECTION FOUND HT COIL SECONDARY WIRING OPEN CIRCUITSDR 97ZZZX1150Distributor Gear · brokeDISTRIBUTION GEAR BROKE AND CONTACT STUCK ON NR 2 CYL LEAD. MAG CONTINUED TO ROTATE CAUSING ONLY NR 2 CYL TO FIRE EACH TIME POINTS OPENED. THIS CAUSED SEVERE DETONATION IN NR 2 CYL BURNING A HOLE THROUGH PISTON. THIS RESULTED IN AN INFLIGHT SHUT DOWN. ENGISDR AU970070Gear · melted(AUS) LH ENGINE RH MAGNETO DISTRIBUTOR GEAR MELTED - HT CONTACT SEPARATED FROM GEAR - BEARING FAILED - LARGE PIECE OF SLOW SPEED DISTRIBUTOR GEAR MISSINGSDR 97ZZZX1225Cam Assy · wornINSPECTION IAW AD 96-12-7 FOUND NEW SNAP RING STYLE CAM ASSY WORN BEYOND LIMITS. THIS IS ONE OF SEVERAL THAT DID NOT MAKE 1,000 HOURS. FIRST INSPECTION AT 500 HOURS SHOWED WEAR, BUT WITHIN ACCEPTABLE LIMITS. WEAR WAS WELL BEYOND LIMITS BEFORE SECOND 500-HOUSDR 97ZZZX1065Coil · crackedBENDIX MAGNETO OVERHAULED BY ELECTRO SYSTEMS, REPAIR STATION UT2R22GL. MAGNETO WAS FURNISHED WITH LYCOMING FACTORY OVERHAULED ENGINE IN 1995. MAGNETO WAS REMOVED FOR 500-HOUR INSPECTION AND C/W AD 96-12-07 AT 489.3 SMOH FOR THE FIRST TIME. FOUND ONE EACH COSDR 97ZZZX873Bearing · failedCRUISE FLIGHT 7,000 FEET. ENGINE BEGAN RUNNING ROUGH, PRECAUTIONARY SHUT DOWN. FOUND MAGNETO BEARING FAILED.
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