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 LJER12102007Contactor · debondedCONTACT POINT MATERIAL DEBONDED, POINTS WILL NOT CLOSE.SDR 2007FA0001057Booster · shortedPILOT REPORTED ROUGH ENGINE; IGNITION SYSTEM TROUBLESHOOT FOUND START MAGNETO STARTER BOOSTER INTERNALLY SHORTED, GROUNDING MAGNETO P-LEAD CAUSING MAGNETO FAILURE. REMEDIED BY REMOVING START FROM AIRCRAFT AND MAGNETO OPERATING NORMALLY. (K)SDR CA071122007Magneto · failed(CAN) ENGINE START ATTEMPTED, RT MAGNETO FAILED TO OPERATE.
(TC NR 20071122007)SDR 2007FA0000974Coil · openPILOT REPORTED RT MAGNETO FAILED WHEN CHECKED DURING RUN UP. FOUND COIL HAD OPEN CIRCUIT WHEN CHECK IAW TABLE SEVEN IN UNISON'S 4300/6300 SERIES MM P/N L-1363C.SDR 2008FA0000103Magneto · wornENGINE WAS GETTING HARD TO START, CHECKED MAG TIMING AND FOUND LT MAG TIMING, OUT OF LIMITS. DISASSEMBLED MAG AND FOUND THE CAM WORN OUT . 58.7 HRS SINCE NEW.SDR FA20071025001Gear · brokenIN CRUISE, NOTICED DROP IN OIL PRESSURE BELOW YELLOW ARC NOT INDICATED DURING RUN UP & TAKEOFF. MADE PRECAUTIONARY RETURN TO HOME BASE & LANDED APPROX 7-8 MINUTES AFTER NOTICING DROP IN OIL PRESSURE. OIL PRESSURE INDICATED ZERO PSI DURING TAXI BACK TO HANGESDR 2007FA0000935Pin · groovedSTOP PINS GROOVED BEYOND LIMITS.SDR CA071017003Impulse Coupling · cracked(CAN) IMPULSE CAM ASSEMBLY FOUND CRACKED AT KEY WAY AREA. REPLACED WITH NEW ASSY. (TC NR 20071017003)SDR 2007FA0000957Magneto · misoverhauledAIRCRAFT ENGINE RUNNING ROUGH AND BACKFIRING ON FLIGHT TEST. PILOT RETURNED AND GROUNDED AIRCRAFT FOR MAINTENANCE. MAINTENANCE PERSONNEL PERFORMED INTERNAL INSPECTION OF CONVERTED MAGNETOS TO PRESSURIZATION. MAGNETO CONVERTED TO PRESSURIZED, INSPECTION REVESDR CA070927006Gear · loose(CAN) THE AIRCRAFT WAS HARD TO START WITH NO APPARENT REASON. AFTER TROUBLESHOOTING, A HARD STARTING PROBLEM ON ONE OTHER A/C IN THE FLEET AND FINDING A LOOSE DRIVE GEAR ON THE LT MAG IT WAS DECIDED TO CHECK THIS A/C FOR A SIMILAR PROBLEM. THE LT MAG WAS REMOVSDR CA070927005Gear · loose(CAN) FOLLOWING A 50HR OIL CHANGE, IT WAS NOTED THE AC WAS VERY DIFFICULT TO START TO CARRY OUT THE REQUIRED LEAK CHECK. TROUBLESHOOTING REVEALED A DEFECTIVE MAGNETO. WHEN THE MAG WAS REMOVED IT WAS NOTED THAT THE DRIVE GEAR P/N 36066 WAS LOOSE ON THE DRIVE GESDR 2007FA0000819Bearing · destroyedBEARING LW14227 CAGE DESTROYED AND APPROXIMATELY 50 PERCENT MISSING. THIS IS THE ENGINE SIDE BEARING OF THE LW15416 MAGNETO DRIVE ADAPTER (MAGNETO ISOLATION DRIVE FOR RT MAGNETO)ENGINE HAS 857 HOURS SINCE FACTORY OVERHAUL IN 2000.SDR CA070911011Unknown · unknown(CAN) PRECAUTIONARY SHUTDOWN DUE TO ROUGH RUNNING, ENGINE RUNUP ON GROUND BY MAINTENANCE AND SUSPECT BAD MAGNETO. THE ENGINE WILL BE INSPECTED AND TIMED ACCORDINGLY. (TC NR 20070911011)SDR CA070917008Magneto · failed(CAN) DURING START UP THE AIRCRAFT THE RT MAGNETO FAILED. MAGNETO WAS REPLACED AND NO FURTHER ISSUES WERE NOTED. (TC NR 20070917008)SDR 2007FA0000873Magneto · damagedTHIS AIRCRAFT HAD A SET OF MAGS INSTALLED AT APPROXIMATELY 400 HRS TT, AT 596 HRS TT, INSTALLED ANOTHER O/H MAG ON THE LT, DUE TO AN OVERHEAT SITUATION. IT APPEARS THAT THE COIL HAS BROKEN DOWN DUE TO EXCESS HEAT, DURING NORMAL OPERATION. NEW AC SHOULD HAVE SDR 2007FA0000823Rotor · failedPILOT DEPARTED ON A VFR, DAY FLIGHT. DURING THE CLIMB FROM DEPARTURE, THE PILOT NOTICED A SLIGHT ENGINE ROUGHNESS THAT LASTED ONLY A SECOND. THE ENGINE SMOOTHED OUT UNTIL THE AC WAS LEVELED OUT AT CRUISE ALTITUDE AND CRUISE POWER SETTINGS THE ENGINE BEGAN RUSDR 2007FA0000845Magneto · arcedDURING ANNUAL INSPECTIO, 500 HR MAG INSP COMPLIED WITH EARLY DUE TO NR OF HOURS PREVIOUSLY FLOWN. BOTH MAGNETOS SHOWED SAME INTERNAL ARCING, SO SEVERE, THAT BRUSH HOLDER PN K3823 WAS MELTED/ BURNED UP, CONTACTED SLICK TECH SUPPORT 904-739-4360, OUR MAG S/N`S SDR CA070808004Capacitor · mismanufactured(CAN) WHEN REMOVED FROM PACKAGE (NEW) THE FLAG TERMINAL THAT CONNECTS TO THE POINTS IN THE MAGNETO DID NOT HAVE ANY WIRE VISIBLE OUTSIDE THE CRIMP AREA OF THE TERMINAL. ACCORDING TO MFG, THE WIRE MUST BE FLUSH OR EXTENDED SLIGHTLY BEYOND THE CRIMP AREA. ALL 54SDR CA070827012Magneto · failed(CAN) DURING START UP THE AIRCRAFT THE RT MAGNETO FAILED. MAGNETO WAS REPLACED AND NO FURTHER ISSUES WERE NOTED. (TC NR 20070827012)SDR 2007FA0000697Condenser · disconnectedSPRING CLIP ON TERMINAL WIRE CAME OFF ALLOWING WIRE TO DISCONNECT. (K)SDR CA070705011Housing · cracked(CAN) MAGNETO SENT IN AS A CORE, BUT HAS SAME CRACK AS 3 OTHER MAGNETOS RECEIVED FOR REPAIR. THIS CRACK IS IN A NEW STYLE OF CASTING PUT INTO PRODUCTION BY MFG.SDR CA070705008Housing · cracked(CAN) MAG SENT IN FOR 500 HR INSP. FOUND MOUNTING EAR CRACKED WHERE HOLD-DOWN NUT AND WASHER CONTACT EAR. THIS IS A NEW STYLE OF CASTING FROM MFG WITH THE NAME "EMPIRE" CAST INTO THE INTERIOR OF THE HSG AND JUST THE LETTERS "TCM" CAST ON THE OUSIDE OF THE HSG.SDR 2007FA0000589Gear · damagedREPAIR STATION RECEIVED MAGNETO FOR REPAIR. WHEN THE UNIT WAS DISASSEMBLED IT WAS NOTED BOTH DISTRIBUTOR GEARS TCM PN 10-682016 WERE MISSING TEETH. IT WAS NOTED THAT A PATTERN OF TEETH THAT WERE MISSING COULD BE SEEN. A TOTAL OF 5 TEETH WERE MISSING FROM BOTH SDR 2007FA0000525Rotor · shearedRIGHT MAGNETO ROTOR SHEARED DIRECTLY UNDER THE MAGNETO CAM. SECOND IDENTICAL FAILURE IN 335 HRS ON THE AIRCRAFT. AIRCRAFT DYNAMIC PROP BALANCE WAS CHECKED AFTER THIS FAILURE AND CHECKED EXCELLENT.SDR CA070703005Magneto · unserviceable(CAN) SHEARED MOUNTING FLANGE HOUSING. (TC NR 20070703005)SDR 2007FA0000493Capacitor · noneIN READING AN ALERT FROM APRIL 2007 REFERING TO SLICK MAGNETO CAPACITOR FAILURE PART NR M-3984 STATES THAT OIL/DIELECTRIC FLUID LEAKED FROM THE CAPACITOR. THAT IS A DRY CAPACITOR AND CONTAINS NO FLUID. I HAVE CUT OPEN SEVERAL FOR TRAINING AIDS AND NO LIQUIDSDR 2007FA0000489Capacitor · failedIN READING AN ALERT FROM APRIL 2007 REFERRING TO SLICK MAGNETO CAPACITOR FAILURE PN M-3984 STATES THAT OIL/DIELECTRIC FLUID LEAKED FROM THE CAPACITOR. THAT IS A DRY CAPACITOR AND CONTAINS NO FLUID. HAVE CUT OPEN SEVERAL FOR TRAINING AIDS AND NO LIQUID EXISTS SDR 2007FA0000590Contactor · meltedAIRCRAFT HAD DEPARTED FOR A SIGHT SEEING TRIP. ON THE RETURN, ALL ENGINE POWER WAS LOST, THE AIRCRAFT WAS LANDED IN A MEADOW WITH MINIMAL DAMAGE TO THE AIRCRAFT. UPON INSPECTION OF THE ENGINE, FOUND THAT THE MFG DUAL MAGNETO D4LN-2021 WAS NOT FUNCTIONAL ON ESDR CA070511010Gear · stripped(CAN) ON RUNUP BEFORE FLIGHT MAG CHECK CARRIED OUT. ENGINE WOULD NOT RUN WHEN SELECTED TO RT MAG. REMOVED RT MAG, FOUND 50 PERCENT OF TEETH ON MAIN TIMING GEAR TO BE STRIPPED OFF. RT MAG REPLACED WITH SERVICEABLE MAG. (TC NR 20070511010)SDR CA070703002Rotor Shaft · sheared(CAN) A STUDENT PILOT NOTICED THAT THE ENGINE WOULD NOT RUN WHEN THE RT MAGNETO WAS SELECTED. MAINT WAS CALLED AND THE RT MAGNETO WAS REMOVED FROM THE ENGINE AND DISSASSEMBLED. THE ROTOR WAS FOUND SHEARED AT THE CAM ROTOR SLOT. (TC NR 20070703002)SDR CA070502007Magneto · malfunctioned(CAN) UPON RUN-UP, THE LT MAGNETO WAS SELECTED CAUSING THE ENGINE TO STOP. THE MAGNETO WAS REPLACED, AND AFTER SATISFACTORY GROUND RUNNING, THE A/C WAS RELEASED FOR RETURN TO SERVICE. (TCNR 20070502007)SDR 2007FA0000454Brushes · wornTHIS MAGNETO WAS MISFIRING, AND APPEARS TO HAVE CAUSED DETONATION IN THE NR 5 CYLINDER. PISTON MATERIAL WAS FOUND IN THE OIL FILTER AND OIL COOLER. ENGINE HAD TO BE REMOVED, INSPECTED, AND REPAIRED DUE TO THE DETONATION. THE MAGNETO WAS FOUND TO HAVE A SEVESDR 2007FA0000399Magneto · corrodedEMERGENCY RETURN TO FIELD: INSPECTION REQUIREMENTS FOR MAGNETO (PN 6320) ARC NOT ADEQUATE TO INSURE PROPER VENTING (PRESSURIZED MAG). SB2-80C SPECIFIES ONLY EXTERNAL INSPECTION IS REQUIRED EVERY 100 HOURS AND AN INTERNAL INSPECTION AFTER 500 HOURS. THE SUBESDR 2007FA0000398Magneto · corrodedEMERGENCY RETURN TO FIELD: INSPECTION REQUIREMENTS FOR MAGNETO (PN 6320) ARC NOT ADEQUATE TO INSURE PROPER VENTING (PRESSURIZED MAG). SB 2-80C SPECIFIES ONLY EXTERNAL INSPECTION IS REQUIRED EVERY 100 HOURS AND AN INTERNAL INSPECTION AFTER 500 HOURS. THE SUBSDR 2007FA0000335Spring · brokenPILOT STARTED AIRCRAFT NORMALLY AND DID RUN UP WITH A BAD MAGNETO CHECK. PILOT DID NOT FLY AIRCRAFT AND RETURNED TO HANGER. AIRCRAFT WOULD NOT RESTART. IMPULSE COUPLE DID NOT MAKE ANY NOISE, TIMING WAS WAY OFF. FOUND IMPULSE COUPLE SPRING BROKEN A TURN AND A HSDR CA070507013Rotor · failed(CAN) PILOT OF AC ON FLOATS DETECTED A DEAD MAGNETO ON HIS PRE-TAKEOFF INSPECTION, AND RETURNED TO THE DOCK. (TC NR 20070507013)SDR 2007FA0000391Magneto · failedDURING NORMAL FLIGHT, VFR CONDITIONS, LT MAGNETO FAILED TO CONTINUE FIRING. AC LANDED WITHOUT INCIDENT. UPON TROUBLESHOOTING LT MAGNETO FOUND TO ONLY FIRE ON ONE LEAD. MAGNETO REPLACED WITH NEW UNIT. DEFECTIVE MAGNETO FOUND TO HAVE LOOSE PARTS RATTLING INSSDR CIEA200700003Cowling · bentDURING TAKEOFF ROLL OF THE AC, AT THE POINT OF LIFTOFF, THE PILOT NOTICED THE LT ENGINE UPPER AFT COWLING HAD COME OPEN. THE TAKEOFF WAS ABORTED AND THE AC CAME TO A SAFE STOP ON THE RUNWAY. THE PILOT SHUTDOWN THE LT ENGINE AND TAXIED BACK TO THE HANGAR ON TSDR UH02007F00002Gear · failedDURING CRUISE FLIGHT (2,500 ER PM AND 37 MAP) ENGINE BACKFIRED AND FAILED. AIRCRAFT WAS LANDED W/O FURTHER INCIDENT OR DAMAGE. INSPECTION REVEALED FAILURE OF PHENOLIC GEAR INSIDE MAGNETO. GEAR IS LUBRICATED DURING O/H BUT WAS DRY. RECOMMENDED EVALUATION OSDR CA070327006Distributor Blk · unserviceable(CAN) DISTURBER BLOCK CENTER BUSHING WAS LOOSE IN THE PLASTIC MOLDING. (TC NR 20070327006)SDR 2007FA0000233Spring · brokenNEW POINTS (PN M3081) WERE INSTALLED IN BOTH MAGNETOS AT THE ANNUAL INSPECTION ON 2/22/07, TT 649.2. ON 3/10/07, TT 658.2, PART TT - 9.0 HOURS, THE PILOT/OWNER PERFORMED MAG CHECK AND THE ENGINE QUIT. A MECHANIC REMOVED THE RT MAG AND FOUND THAT THE SPRING TSDR 2007FA0000462Spring · brokenWHILE TROUBLESHOOTING ENGINE RUNS ROUGH AND WON`T RUN AT ALL OVER 1200 RPM. WE DISCOVERED THE IMPULSE COUPLING SPRINGS ON BOTH MAGS WERE BROKEN. (IMPULSE COUPLING PN 10400309) (K)SDR 2007FA0000461Spring · brokenWHILE TROUBLESHOOTING ENGINE RUNS ROUGH AND WON’T RUN AT ALL OVER 1200 RPM. WE DISCOVERED THE IMPULSE COUPLING SPRINGS ON BOTH MAGS WERE BROKEN. (IMPULSE COUPLING , PN 10-400309) (K)SDR FFKA115Gear · damagedPILOT REPORTED THAT THE ENGINE IS RUNNING ROUGH DURING TAXI AND HAD A BAD MAGNETO DROP. MAINTENANCE INVESTIGATED THE PROBLEM AND DETERMINED THAT THE MAGNETO P/N 10-682560-13 NEEDED TO BE REPLACED. UPON FURTHER INVESTIGATION OF THE MAGNETO, FOUND THAT 2 EACH SDR FFKA114Gear · damagedPILOT REPORTED THAT THE ENGINE IS RUNNING ROUGH DURING TAXI AND HAD A BAD MAGNETO DROP. MAINTENANCE INVESTIGATED AND FOUND THE GEAR TEETH P/N 10-682016 BROKEN OFF OF BOTH THE LEFT AND RIGHT GEAR ASSEMBLIES. AFTER FURTHER INVESTIGATION OF THE MAGNETO, IT WAS SDR 2007FA0000186Bushing · looseBRONZE BUSHING, VERY LOOSE IN DISTRIBUTOR BLOCK AND DISTRIBUTOR ARM WAS CONTACTING PINS IN BLOCK. MAG WOULD NOT OPERATE CORRECTLY. (K)SDR 2007FA0000185Bushing · looseBRONZE BUSHING VERY LOOSE IN DISTRIBUTOR BLOCK AND MAG WOULD NOT OPERATE CORRECTLY. AN EMERGENCY LANDING WAS MADE. (K)SDR 2007FA0000173Magneto · malfunctionedMAGNETO CAUSING HIGH ALTITUDE MIS-FIRE.SDR 2007FA0000193Rotor · brokenROTOR AT ROTOR GEAR AND BROKEN. (K)SDR 2007FA0000150Magneto · malfunctionedMAGNETO`S MISSING AT HIGH ALTITUDE. (K)
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