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 95ZZZX6182Contact Points · failedCONTACT POINTS' SOFT PLASTIC THAT RIDES THE CAM WORE DOWN UNTIL THERE WAS NO CONTACT POINT OPENING (MAG FAILURE). THE ROTATING MAGNET CONTINUED TO MAKE ELECTRIC ENERGY, SENDING IT TO THE CAPACITOR, OVERLOADING THE CAPACITOR, CAUSING IT TO BURN ITSELF OUT. THSDR 95ZZZX6071Magneto · case crackedSECOND SET OF MAG'S FOUND WITH THIS CRACK PATTERN. NEW STYLE CASE HAS A FIN WEB TO STRENGTHEN CASE IN THIS AREA. CRACKS HAVE BEEN FOUND ON BOTH SIDES THROUGH CASE HOLE.SDR 95ZZZX6070Magneto · case crackedSECOND SET OF MAG'S FOUND WITH THIS CRACK PATTERN. NEW STYLE CASE HAS A FIN WEB TO STRENGTHEN CASE IN THIS AREA. CRACKS HAVE BEEN FOUND ON BOTH SIDES THROUGH CASE HOLE.SDR 95ZZZX5603Distributor Gear · teeth failedFOUND RIGHT DISTRIBUTOR GEAR WITH 21 OF 53 TEETH MISSING. HELICAL SPRING MISSING FROM NR 1 TOWER (RIGHT SIDE) OF THE DISTRIBUTOR BLOCK. EVIDENCE OF HEAVY ARCING INSIDE NR 1 TOWER BECAUSE OF MISSING SPRING. THIS DUAL MAGNETO IS AN ELECTRO SYSTEM, INC., OVERHSDR 95ZZZX6806Points · failedINSPECTED MAG, FOUND POINTS NOT LUBRICATED AND PLASTIC PUSH ARMS WORN OFF. POINTS WOULD NOT OPEN AND BOTH LEFT AND RIGHT SIDES OF MAG WERE NOT OPERATIONAL.SDR 95ZZZX5535Contact Points · worn followerENGINE FAILED DUE TO BOTH SETS OF POINTS FAILING TO OPEN CAUSED BY EXCESSIVE WEAR OF PLASTIC CAM FOLLOWERS. SUSPECT LACK OF LUBRICATION AS NO OIL FOUND ON CAM OR IN FELT WIPER PADS. SUBMITTER SUGGESTS CHECK AND LUBE ON 100-HOUR INSPECTION.SDR 95ZZZX5028Distributor Gear · teeth missingENGINE HAD SLIGHT ROUGHNESS AND TIMING JUMP TO THE TIME OF FAILURE. FOUND DISTRIBUTOR GEAR TEETH MISSING. RECOMMEND SHIMS BE CHECKED FOR GEAR FREEDOM AND UNIT BE REPLACED AT ONE-HALF OF SPECIFIC T.B.O. OF MAGNETO.SDR 96ZZZX716Breaker Points · not openingMAGNETO DEFECTIVE. BREAKERS NOT OPENING AT THE CORRECT GAP. ALSO, NOT LUBRICATED. NEED TO LUBRICATE BREAKERS AND SET CORRECT GAP. ALSO, FOUND BAD CAPACITOR.SDR 95ZZZX5231Magneto · failedENGINE INTERMITTENTLY RUNNING ROUGH. MAGNETOS BOTH HAD 1,786 HOURS SINCE INSTALLATION. SABOTAGE PAINT APPLIED BY MANUFACTURER WAS NOT DISTURBED INDICATING NO 500-HOUR INSPECTIONS HAD BEEN PERFORMED. INSPECTION SHOWED TRACES OF 'CROSS-FIRING' IN DISTRIBUTOR SDR 95ZZZX5230Magneto · failedENGINE INTERMITTENTLY RUNNING ROUGH. MAGNETOS BOTH HAD 1,786 HOURS SINCE INSTALLATION. SABOTAGE PAINT APPLIED BY MANUFACTURER WAS NOT DISTURBED INDICATING NO 500-HOUR INSPECTIONS HAD BEEN PERFORMED. INSPECTION SHOWED TRACES OF 'CROSS-FIRING' IN DISTRIBUTOR SDR 95ZZZX5117Capacitor · corrodedMAG REMOVED FOR OVERHAUL AND PACKING OF BEARINGS BECAUSE OF TIME AND ROUGHNESS. CAPACITOR WAS FOUND TO BE LEAKING OR BUILDING CORROSION SIMILAR TO BATTERY CORROSION WHERE THE WIRE EXITS THE CAPACITOR HOUSING. CAPACITOR HAD NOT FAILED, BUT FAILURE WAS IMMINENSDR 95ZZZX5527Coil · failedTHIS SLICK COIL IS ORANGE COLORED AND IS VERY PRONE TO FAILURE. SUBMITTER STATES HAVE CHANGED ABOUT 15 FAILED COILS SINCE 1985. HAVE SEEN ONLY ONE FAILURE OF A BENDIX COIL NAMED IN THE CURRENT BENDIX COIL A.D. SUBMITTER STRONGLY RECOMMENDS AN AIRWORTHY DIRESDR 95ZZZX5031Distributor Blk · crackedDURING MAGNETO 500-HOUR INSPECTION, ONE MOUNTING HOLE OF THE DISTRIBUTOR BLOCK WAS FOUND CRACKED.SDR 95ZZZX5030Distributor Blk · crackedDURING A MAGNETO 500-HOUR INSPECTION, ONE MOUNTING HOLE FOR THE DISTRIBUTER BLOCK WAS FOUND CRACKED.SDR 95ZZZX4430Gear Assy · teeth brokenLEFT MAGNETO WAS REPORTED INOPERATIVE. FOUND APPROXIMATELY ONE-THIRD OF THE LEFT DISTRIBUTION GEAR TEETH MISSING. BROKEN TEETH WERE SCATTERED THROUGHOUT THE MAGNETO. COULD HAVE DAMAGED THE RT PORTION OF THE MAGNETO. CAUSE IS UNKNOWN. NO GEAR HOLDING DEVICSDR 95ZZZX5138Magneto · burnedMAGNETO LOOKED LIKE NEW FROM OUTSIDE. WHEN REMOVED ALL COMPONENTS INSIDE WERE BURNED UP. NO ROTOR AND ONLY 3 TOWERS OF DISTRIBUTOR WERE LEFT. MAGNETO WAS BURNED UP VERY FAST AND VERY HOT. DESTROYED HALF OF THE HARNESS CONNECTION (PLATE).SDR 95ZZZX4599Magneto · failedENGINE BECAME ROUGH IN-FLIGHT. FOUND WOULD RUN BETTER ON RT MAG ONLY. INVESTIGATION FOUND WHEN LEFT MAG REMOVED. IT WAS DESTROYED BY AN INTERNAL FIRE. SUSPECT OIL LEAK INTO PRESSURED MAG AND IGNITED.SDR 95ZZZX4507Bearing · failedLEFT ENGINE WOULD NOT START. TROUBLESHOOT TO LEFT MAG. BEARINGS IN MAG WORN, CAM NOT ACTIVATING POINTS. WHEN REMOVING MAG, FOUND BEARING ON MAG DRIVE GEAR MISSING BALLS AND TEETH MISSING ON GEAR OR CHIPPED.SDR 95ZZZX4349Coil · openINSPECTION FOUND M3121 DISTRIBUTOR BLOCK AND ROTOR CONTACTS BURNED. M3525 COIL FAILED - OPEN AND HAD A CRACK IN SIDE.SDR 95ZZZX6408Magneto · defectiveREMOVED MAGNETO DURING INSPECTION OF ROUGH ENGINE. FOUND BOTH CONTACT POINTS WORN, BOTH COILS CRACKED AT CENTER POST, LEFT DISTRIBUTOR ARCED, IMPROPER LUBRICATION OF BEARINGS CAUSING GREASE TO BE SLUNG OUT, CAM LOBES HAVE VERY ROUGH FINISH.SDR 95ZZZX4391Contact Assy · mismanufacturedINSPECTION FOUND POINT MIS-MATCH NOTED ON THREE SETS OF 10-357174 CONTACT ASSEMBLIES WHICH WERE PURCHASED AS NEW REPLACEMENT PARTS FROM A TCM DISTRIBUTOR.SDR 96ZZZX1275Condensor · lead brokenCONNECTION BETWEEN CONDENSER AND CONDENSER LEAD WAS BROKEN DUE TO CORROSION FROM AMBIENT AIR CAUSING MAG FAILURE.SDR 95ZZZX5116Bearing · failedMAG DROP 400 RPM, BUT SMOOTH. FOUND MAGNETO DRIVE BEARING FAILURE, RETARDING TIMING. BALLS OF BEARING COMING OUT OF BEARING CAGE AND EATING UP THE REAR OF CASE AND THEN AFTER MAKING SPACE AVAILABLE, FELL INTO THE ENGINE TIMING GEARS.SDR 96ZZZX715Bearing Cap · wornPART NR M-3485 HAS A STEEL BEARING PRESSED INTO AN ALUMINUM BEARING CAP. IT PROVIDES SUPPORT TO THE ROTOR. DURING ROUTINE 500-HOUR INSPECTION (500 TTSN), A BLACK POWDER-LIKE SUBSTANCE WAS SEEN THROUGHOUT THE MAG. FOUND STEEL BEARING WAS MOVING INSIDE THE BESDR 95ZZZX5748Distributor Gear · teeth strippedMAGNETO BECAME INOPERATIVE DURING FLIGHT. TROUBLESHOT TO DISTRIBUTOR GEAR TEETH STRIPPED. SUBMITTER STATED THIS IS THE THIRD OCCURRENCE OF THIS MALFUNCTION IN LAST 3 YEARS.SDR 95ZZZX4186Ident Plate · damagedALUMINUM FOIL INDENTIFICATION PLATE WAS TORN WHEN MAGNETO WAS RECEIVED FOR REPAIR. CORRECTIVE ACTION WAS TO INSTALL A NEW IDENTIFICATION PLATE WITH CORRECT MAGNETO IDENTIFICATION DATA. IT IS EXPECTED THE NEW IDENTIFICATION PLATE WILL EXPERIENCE THE SAME CONDSDR 95ZZZX5751Magneto · points failedCOMPLETE ENGINE FAILURE DUE TO MAG POINTS ATTACH COMING LOOSE. SUBMITTER RECOMMENDS BETTER MEANS OF ATTACHING POINT TO MAGNETO.SDR 95ZZZX3572Magneto · lead brokenOWNER COMPLAINED OF A 'DEAD' LT MAGNETO. CHECKED TIMING AND FOUND POINTS OPENING PROPERLY. REMOVED MAGNETO AND DISASSEMBLED. FOUND INSIDE OF MAGNETO CORRODED AND COIL GROUND LEAD BROKEN. SUSPECT LEAD BROKE DUE TO THE CORROSION. SLICK SB1-88 REFERS TO INSPSDR 96ZZZX2404Impulse Coupling · brokenIMPULSE COUPLING BROKE ALLOWING A PART TO RUB THE INSIDE OF THE MOUNTING FLANGE. THE MOUNTING FLANGE BROKE OFF ALLOWING THE MAG TO FALL OFF. THE MAG WAS LAYING ON TOP OF THE CASE WHEN THE AIRCRAFT WAS RETURNED TO BASE.SDR 95ZZZX3488Magneto · looseRIGHT ENGINE STARTED RUNNING ROUGH IN-FLIGHT. ENGINE SHUT DOWN AND FEATHERED. FOUND RIGHT MAG HAS COME LOOSE. RE-TIMED AND TORQUED RIGHT MAG. OPS CHECKED SATISFACTORY.SDR 95ZZZX3799Housing · crackedDURING ANNUAL INSPECTION, THE RIGHT MAGNETO HOUSING WAS FOUND CRACKED IN SEVERAL PLACES. CRACKED ON BOTH SIDES OF THE MAGNETO DOWN NEAR THE DRIVE END.SDR 96ZZZX4798Impulse Coupling · failedIMPULSE COUPLING FAILED.SDR 95ZZZX3275Magneto · coil crackedUPON INSPECTION OF INTERNAL COMPONENTS OF MAGNETO AT ANNUAL INSPECTION, HIGH TENSION COIL WAS FOUND CRACKED.SDR 95ZZZX3650Distributor · block destroyedDISMANTLED MAG FOUND DISTRIBUTOR OR BEARING BLOCK DESTROYED BY ARCING FROM DEFECTIVE COIL.SDR 95ZZZX3278Bearing · failedDURING COMPLIANCE OF AD78-09-07R3 MAGNETO IMPULSE COUPLING, DISCOVERED BEARING ASSY LOST ITS BALL BEARING CAGE ASSY. ONE-HALF OF CAGE ASSY WAS FOUND IN THE OIL SUMP. THIS COULD LEAD TO COMPLETE FAILURE OF ENGINE IF UNDETECTED. SUBMITTER STATED THIS IS FOURTSDR 95ZZZX3252Coil · shortedCOIL SHORTED CAUSING MAG TO NOT WORK. COIL WAS NOT CRACKED. HAD A SMALL PIN HOLE BURNED OUT.SDR 95ZZZX4269Contact Assy · wornWHEN MAGNETO WAS UNDERGOING PRELIMINARY INSPECTION, THE CONTACT ASSEMBLY WAS FOUND PITTED AND THE CAM FOLLOWER WAS EXCESSIVELY WORN. SOME CAM FOLLOWER MATERIAL HAD TRANSFERRED TO THE OUTER FELT OF THE CONTACT ASSEMBLY. A THIN DARK COATING WAS FOUND ON THE MASDR 95ZZZX3262Bushing · looseDURING COMPLIANCE OF AD78-09-07R3, MAGNETO IMPULSE COUPLING INSPECTION, DISCOVERED THAT PREVIOUS COMPLIANCE WITH LYCOMING SI NR 114D, THE MAGNETO DRIVE BUSHING HAD WORKED LOOSE. FABRICATED AND RE-INSTALLED NEW BUSHING IAW LYCOMING SI NR 1140.SDR 95ZZZX3137Contact · points closedA MISS ON ONE MAG CAUSED REMOVAL AND EXAMINATION OF THE MAG. THE POINT GAP WAS CLOSED DOWN AND THE POINTS WERE OF A TYPE NOT SEEN IN THIS SERIES MAG BEFORE. SINCE THEY HAD BEEN INSTALLED A SHORT TIME BEFORE, A CALL TO THE INSTALLING AGENCY WAS MADE. ACCORDISDR 95ZZZX3795Coil · failedMAGNETO UNIT BECAME INOPERATIVE. DISASSEMBLED MAG AND REMOVED COIL. FOUND COIL CRACKED AND ARCING THROUGH TO HOUSING. INSTALLED NEW COIL, CHECKED AND SET E-GAP, REASSEMBLED AND TEST RUN UNIT, ACCEPTABLE. COIL WAS OF NEW BLACK TYPE NR M3975 (MFG DATE 5-11-9SDR 95ZZZX3639Magneto · shortedMAGNETO COVER ON RIGHT MAGNETO VIBRATED SCREWS LOOSE CAUSING COVER TO GROUND COIL KILLING MAGNETO WHICH CAUSED ENGINE FAILURE.SDR 95ZZZX3311Impulse Coupling · wornAIRCRAFT WOULD NOT START. FOUND IMPULSE COUPLING WOULD NOT ENGAGE AT ALL TIMES. FOUND EXCESSIVE WEAR ON TOE OF FLYWEIGHTS WHICH WOULD NOT ALLOW COUPLING TO ENGAGE TOP PINS. NO WEAR NOTED ON PINS. INSPECTION PER TCM BULLETIN WOULD HAVE INDICATED AN AIRWORTHSDR 95ZZZX2733Coil · burnedENGINE FAILED TO START. PROBLEM TRACED TO A BURNED THROUGH IGNITION COIL ON THE LT MAGNETO. COIL WAS BURNED THROUGH AT THE FRONT OF COIL (WHERE PN IS PRINTED) AND WAS ARCING TO THE MAGNETO CASE. MAGNETO IS ONLY 2 YEARS OLD AND ONLY HAS 250 HOURS TIME IN SERSDR 95ZZZX2724Magneto · chafedDURING TROUBLESHOOTING OF ELECTRICAL SYSTEM, FOUND LEFT MAGNETO HARNESS CAP CHAFING AIRCRAFT BATTERY. BATTERY COULD NOT BE REMOVED WITHOUT ROTATING MAGNETO OUT OF THE WAY. REMOVED MAGNETO AND ROTATED DRIVE GEAR TO IMPULSE COUPLING 180 DEGREES. REINSTALLED ASDR 95ZZZX3140Breaker Point · excess wearDURING 100-HOUR PHASE INSPECTION, MAG WAS REPLACED WITH OVERHAULED UNIT. TWO AND ONE-HALF FLIGHT HOURS LATER, MAG FAILED. FOUND CAM FOLLOWER ON BOTH BREAKER POINTS EXCESSIVELY WORN. MAG TIMING OUT OF LIMITS. SUBMITTER SUGGESTS MFG CHANGE FROM PHENOLIC TO PSDR 95ZZZX3085Magneto · defectiveEXCESSIVE MAGNETO DROP ON RUN-UP. SUSPECT CAUSE INTERNAL MAG PROBLEM. DOUGLAS MANUAL RECOMMENDS NO FIELD WORK, JUST REPLACE AND SEND FOR OVERHAUL.SDR 95ZZZX3191Distributor Gear · loose fingerENGINE RAN ROUGH ON RIGHT MAG. DISASSEMBLED MAG AND FOUND TEETH ON DISTRIBUTOR GEAR MISSING AND LOOSE DISTRIBUTOR FINGER ELECTRODE. LOOSE ELECTRODE PROBABLY HIT STATIONARY ELECTRODE CAUSING TEETH TO BREAK.SDR 95ZZZX2393Contact Points · mismanufacturedCENTRAL CYLINDER SERVICE, INC., OF OMAHA, NE, REPORTED 2 CASES OF UNAIRWORTHY TELEDYNE CONTINENTAL MOTORS MAGNETO POINTS OBTAINED FROM AVIALL AND AMR COMBS AS FACTORY NEW REPLACEMENT PARTS. MAG POINT ASSYS ARE CURRENTLY APPROVED FOR INSTALLATION ON THE BENDIXSDR 95ZZZX3144Magneto · mistimedINVESTIGATED PILOT COMPLAINT OF EXCESSIVE RPM DROP OF RIGHT MAGNETO ON RUN-UP. FOUND LEFT MAGNETO TIMED AT 24 DEGREES BTC AND RIGHT MAGNETO AT 13 DEGREES BTC. REMOVED AND PARTIALLY DISASSEMBLED RIGHT MAGNETO. FOUND INTERNAL TIMING CORRECT AND VISUAL INSPECTSDR 95ZZZX2950Contact Assy · tip brokenPILOT NOTED A DEAD MAG IN THE RIGHT POSITION. INVESTIGATION REVEALED THE POINTS NOT OPENING. CONTACT ASSEMBLY HAS TIP BROKEN OFF. PART TOTAL TIME 30 HRS. TCM IGNITION SB 651 COVERS THIS, BUT IS NOT WELL KNOWN. RECOMMEND ALERT BE ISSUED.
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