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.

SDR 98ZZZX1081Impulse Coupling · failedMAG IMPULSE COUPLING FAILED. REMOVED FROM ENGINE AT 469.8 HOURS SINCE NEW.Feb 1, 1998 · N8216T · Piper PA32301SDR 98ZZZX829Breaker Assy · failedTHE FAILURE OF THE RT MAG ON THE REAR ENGINE WAS NOTICED DURING A PRE-TAKEOFF MAG CHECK.Jan 31, 1998 · N337LA · Cessna 337SDR CA980317087Coupling · sheared(CAN) MAGNETO APPEARS TO HAVE SEIZED, SHEARING DRIVE COUPLING. MAGNETO WAS REPLACED.Jan 28, 1998 · Cessna 414SDR 98ZZZX528Impulse Coupling · wornPILOT FOUND 250 RPM MAG DROP, LT MAG. TROUBLESHOT IGNITION SYSTEM. REMOVED MAG AND FOUND EXCESS PLAY IN IMPULSE COUPLING AND MAG DRIVE. SENT OUT FOR REPAIR, SPRING WAS BROKEN. SUSPECT IMPROPER INSTALLATION OR DEFECTIVE METALLURGY PRIOR TO INSTALLATION.Jan 23, 1998 · N6913E · Cessna 175ASDR 98ZZZX470Bearing · failedPILOT REPORTED WHINE IN ENGINE WHEN MAGNETO CHECK ACCOMPLISHED. FOUND RT MAGNETO DEAD. REMOVED MAGNETO, DISASSEMBLED, FOUND BEARING FAILED. MAGNETO OVERDUE OVERHAUL. NO RECORD OF MAGNETO EVER BEEN TAKEN APART. SUBMITTER STATED MAGNETOS SHOULD NOT RUN OVERJan 22, 1998 · N437FL · Piper PA28140SDR 98ZZZX956Magneto · failedIN CRUISE POWER, PILOT REPORTED RIGHT ENGINE SHAKING. WHEN ON GROUND, MAGNETO CHECK SHOWED LEFT MAGNETO RUNNING VERY ROUGH. REMOVED MAGNETO AND FOUND IT SPARKING INTERMITTENTLY.Jan 19, 1998 · N36AP · Doug DC3CSDR 98ZZZX1664Distributor Gear · crackedMAGNETO WAS INSTALLED ON LEFT ENGINE 11-24-97, AND WAS REMOVED 12-31-97 DUE TO CRACKED, MISSING TOOTH. PREVIOUS MAGNETO HAD SUFFERED FAILURES OF BOTH DIST GEARS. SUSPECT TORSIONAL VIBRATION IN ENGINE.Dec 31, 1997 · N59829 · Piper PA31350SDR AU971581Coil · cracked(AUS) AFTER APPROXIMATELY 45 MINUTES FLIGHT TIME AND DURING POSTLANDING CHECKS, THE RH MAGNETO WAS SHOWING A 'DEAD CUT'. THEMAGNETO WAS SUBSEQUENTLY REMOVED AND DISMANTLED, AND THE COIL WAS FOUND TO BE SPLIT OPEN AND LEAKING.Dec 22, 1997 · Cessna 175ASDR 98ZZZX99Coil · crackedDURING 500-HOUR INSPECTION, (PULLED AT 452.2 HOURS TSO), BOTH COILS IN TCM 2000 SERIES MAGNETO WERE FOUND CRACKED. COILS HAD THE FOLLOWING MARKINGS: 38/95 AND 8-9, 35/75 AND 10-10. MAGNETO WAS OVERHAULED BY ELECTROSYSTEMS, INC., FOR LYCOMING. ENGINE OVERHADec 22, 1997 · N73671 · Cessna 172MSDR 98ZZZX102Magneto · failedINSTALLED TWO NEW 4381 MAGNETOS ON AN ENGINE REBUILD. LEFT MAG ROTATING MAGNET APPEARS TO HAVE FAILED DUE TO FACTORS UNKNOWN. RESULT IS A BENT SHAFT AT THE IMPULSE COUPLING. NO DAMAGE TO DRIVE GEARS NOTED.Dec 18, 1997 · N94112 · Cessna 152SDR 98ZZZX100Magneto · failedRIGHT MAGNETO DEAD. OPENED MAG, FOUND COPPER AND CARBON DUST EVERYWHERE. FOUND BLOCK AND GEAR BEARINGS WORN SEVERELY AND GEAR DAMAGED, TEETH VERY SHARP DUE TO MISALIGNMENT OF LARGE GEAR. MAGS WERE NOT INSPECTED AT 500-HOUR INSPECTION AS RECOMMENDED.Dec 14, 1997 · N6831M · Cessna 210MSDR AU971522Spring · broken(AUS) RH ENGINE MAGNETO IMPULSE COUPLING SPRING BROKEN.Dec 3, 1997 · Beech 76SDR 98ZZZX191Housing · crackedINSP FOUND BOTH MAGNETO HOUSINGS ARE CRACKED IN SEVERAL PLACES. SUSPECT THAT WHEN NEW COILS WERE INSTALLED, THE WEDGES WERE INSTALLED INCORRECTLY OR OVERDRIVEN INTO POSITION.Dec 3, 1997 · N4957J · Piper PA28R180SDR 98ZZZX190Housing · crackedINSPECTION FOUND BOTH MAGNETO HOUSINGS ARE CRACKED IN SEVERAL PLACES. SUSPECT THAT WHEN NEW COILS WERE INSTALLED, THE WEDGES WERE INSTALLED INCORRECTLY OR OVERDRIVEN INTO POSITION.Dec 3, 1997 · N4957J · Piper PA28R180SDR AU971479Coil · failed(AUS) LH AND RH MAGNETO COILS BREAKING DOWN. MAGNETO LEADS ALSO FAULTY.Nov 27, 1997 · Beech A23SDR 97ZZZX5130Magneto · failedAFTER DEPARTURE AND CLIMBING THROUGH 1,200 FEET AGL, PILOT REPORTED THE LEFT ENGINE POPPED TWICE AND SHUT DOWN. UPON INSPECTION, FOUND THE MAGNETO DISTRIBUTOR DRIVE GEARS WERE STRIPPED. ALSO NOTED WAS THE BUSHING IN THE DISTRIBUTOR WAS WORN OUT.Nov 25, 1997 · N59829 · Piper PA31350SDR 98ZZZX1665Distributor Gear · cracked11-24-97, MAGNETO WAS REMOVED FROM LEFT ENGINE OF N NR 59829 DUE TO FAILED DISTRIBUTOR GEAR TEETH. MAGNETO HAD 1,601.16 HOURS SINCE OVERHAUL BY ELECTROSYSTEMS, INC., HOWEVER, GEARS MAY NOT HAVE BEEN NEW AT MAGNETO OVERHAUL.Nov 24, 1997 · N59829 · Piper PA31350SDR 98ZZZX228Dist Block · wornINSPECTION OF MAGNETO DISTRIBUTOR BLOCK FOUND BUSHING WEAR AND WEAR DAMAGE TO LARGE DISTRIBUTOR GEAR.Nov 18, 1997 · N3527U · Piper PA31350SDR CA971128006Magneto · malfunction(CAN) DURING DESCENT, AIRCRAFT ENGINE SUFFERED BRIEF PERIODS OF POWER LOSS AND ENGINE SPUTTERING. THIS ACFT HAS BEEN EQUIPPED WITH AN STC FOR THE INSTALLATION OF UNISON LASER IGNITION SYSTEM. TROUBLESHOOTING REVEALED THE TOP DEAD CENTER SYNCRONIZATION OF THENov 17, 1997SDR 97ZZZX4878Distributor Gear · failedPILOT REPORTED ENGINE RUNNING VERY ROUGH DURING ROUTINE TRAINING FLIGHT. THE AIRCRAFT RETURNED TO THE AIRPORT AND MADE AN UNEVENTFUL LANDING. AN INSPECTION OF THE LEFT MAGNETO WAS PERFORMED AND THE DISTRIBUTOR GEAR WAS FOUND TO HAVE SEVERAL MISSING TEETH ANDNov 13, 1997 · N40024 · Piper PA28R201SDR 98ZZZX9Impulse Coupling · defectiveMAGNETO REMOVED AT 500 HOURS TIS DUE TO IMPULSE COUPLING DEFECT.Nov 1, 1997 · N8127K · Piper PA32300SDR 98ZZZX5Impulse Coupling · defectiveIMPULSE COUPLING HAS JUST UNDER 400 HOURS TIME IN SERVICE AND IS DEFECTIVE.Nov 1, 1997 · N1132Q · Piper PA32300SDR 97ZZZX4872Points · weakFOUND POINTS WITH VERY LOW SPRING TENSION. CAUSED ENGINE TO RUN ROUGH AND QUIT IN FLIGHT AT HIGHER RPM'S.Nov 1, 1997 · N42818 · Cessna 182LSDR 97ZZZX4963Magneto · wornPILOT REPORTED HIGH MAG DROP ON LEFT MAG. RUN-UP INDICATED NEARLY COMPLETE MAG FAILURE. DURING DISASSEMBLY, A LARGE AMOUNT OF DUST WAS NOTED IN THE AREA OF THE CONTACT ASSEMBLY AND CONTACTS WERE BARELY OPENING. THE CAM WAS FOUND SEVERELY WORN. NO REASON FOOct 31, 1997 · N914DC · Piper PA46350PSDR 97ZZZX4628Gear · wornPILOT REPORTED ENGINE RUNNING ROUGH. PERFORMED TROUBLESHOOTING, FOUND RT MAGNETO ROTOR SHAFT AND ROTOR GEAR WORN BEYOND LIMITS. GEAR WAS FOUND LOOSE ON SHAFT. THIS IS THE SECOND SUCH 4300 SERIES TYPE MAGNETO WITH APPROXIMATELY 500 HOURS TT WITH THE SAME PROOct 18, 1997 · N1011L · Conaer LA4SDR 97ZZZX4627Shaft · wornPILOT REPORTED ENGINE RUNNING ROUGH. PERFORMED TROUBLESHOOTING, FOUND RT MAGNETO ROTOR SHAFT AND ROTOR GEAR WORN BEYOND LIMITS. GEAR WAS FOUND LOOSE ON SHAFT. THIS IS THE SECOND SUCH 4300 SERIES TYPE MAGNETO WITH APPROXIMATELY 500 HOURS TT WITH THE SAME PROOct 18, 1997 · N1011L · Conaer LA4SDR 97ZZZX4762Impulse Coupling · brokenACFT IN CRUISE AT 4,000 FEET ON IFR FLIGHT PLAN WHEN ENGINE SUDDENLY LOST POWER. ALL ATTEMPTS MADE BY PILOT TO RESTART THE ENGINE UNSUCCESSFUL. PILOT WAS ABLE TO MAKE A FORCED LANDING IN A COW POSTURE. INVESTIGATION AND ENG TEAR DOWN REVEALED LT MAG HAD SEIOct 15, 1997 · N7748J · Piper PA32260SDR 97ZZZX4643Coil · burntMAGNETO STOPPED OPERATION 14.5 HOURS AFTER COIL WAS REPLACED. INSPECTION REVEALED BURNT COIL. UNKNOWN CAUSE, NO RECOMMENDATIONS.Oct 13, 1997SDR CA971021016Rotor · broken(CAN) AFTER STARTING THE ENGINES, A CHECK OF THE MAGNETOS REVEALED THE RIGHT HAND MAGNETO WAS DEAD. THE AIRCRAFT WAS TAKEN TO MAINTENANCE AND THE TECHNICIAN FOUND THE CAM BROKEN.Oct 10, 1997 · Beech C23SDR CA980325020Gear · destroyed(CAN) MAGNETO WAS SENT FOR 500 HOUR INSPECTION. ON DISASSEMBLY A STEEL WASHER WAS FOUND LOOSE IN THE COIL CAVITY. INSPECTION REVEALED THE WASHER HAD CAME LOOSE FROM THE GEAR AND AXLE ASSEMBLY ON THE DISTRIBUTOR GEAR. IT WAS ALSO NOTED THAT THE AXLE COULD EASIOct 7, 1997 · Robsin R22BETASDR 97ZZZX4637Magneto · defectiveDURING ANNUAL INSPECTION, NO RECORDS EXIST OF ANY MAGNETO MAINTENANCE. ALL 4 MAGS REMOVED FOR TCM 500-HOUR CHECK. THIS MAG HAD POINTS IN CONFIGURATION OF COUNTERCLOCKWISE ROTATION, SHOULD HAVE BEEN FOR CW BY P/N AND IPB. TWO MAGS HAD LOOSE BEARINGS, ALL 4 HAOct 7, 1997 · N6961L · Cessna 310KSDR CA971007007Distributor Assy · cracked(CAN) PILOT RETURNED TO RAMP AFTER BEING UNABLE TO CLEAR WHAT APPEARED TO BE A FOULED SPARK PLUG. PLUGS AND IGNITION WIRES CHECKED SERVICEABLE. THE MAGNETO WAS REMOVED AND USING A CABLE LEAD TESTER FOUND THE NR1 TOWER TO BE SHORTING TO GROUND. THE DISTRIBUTOR Sep 25, 1997 · Piper PA44180SDR CA971021007Magneto · burnt(CAN) NR1 ENGINE RUNNING ROUGH IN CRUISE. PRECAUTIONARY SHUTDOWN CARRIED OUT. POST FLIGHT INSPECTION FOUND THE POINTS BURNT AND NOT OPENING. THE MAGNETO WAS REPLACED. DISASSEMBLY OF THE MAGNETO FOUND BOTH BEARINGS WORN, WORN BEARINGS OVERHEATED CAUSING POINT RSep 23, 1997 · Piper PA31350SDR CA971014004Magneto · worn(CAN) ENGINE BEGAN TO RUN ROUGH IN FLIGHT. ENGINE WAS SECURED. POST FLIGHT INSPECTION FOUND THE CIRCLIP RETAINER ON THE MAGNETO DRIVE SHAFT WAS NOT IN THE LOCKED POSITION, THIS ALLOWED THE SHAFT TO MOVE (AXIALLY) IN AND OUT. THIS CAUSED INTERNAL COMPONENTS TO Sep 23, 1997 · Rkwell 700SDR 97ZZZX4254Distributor Blk · wornWORN OR LOOSE BEARING IN DISTRIBUTOR BLOCK ALLOWED DISTRIBUTOR GEAR ASSEMBLY TO JUMP TEETH AND GET OUT OF TIME WITH ROTOR.Sep 22, 1997 · N4301C · Piper PA31350SDR 97ZZZX4663Coil · failedDURING 500-HOUR INSPECTION, FOUND COIL SECONDARY TO HAVE OPEN CIRCUIT. SUBMITTER STATED COULD LEAD TO DEAD MAGNETO.Sep 18, 1997SDR 97ZZZX4209Magneto · case crackedMAGNETO CASE BROKEN AT TOP HOLD-DOWN LOCATION. DISCREPANCY DISCOVERED DURING 100-HOUR INSPECTION.Sep 11, 1997 · N56464 · Maule M6235SDR 97ZZZX4204Drive Gear · teeth strippedRUN-UP AT 1,700 RPM AT PROP OF 300 RPM ON THE RT MAG WAS NOTICED, LT MAG AT 1,800-1,900 RPM. ENGINE STARTED TO BACKFIRE WHILE RUNNING ON THE RT MAG. DECIDED NOT TO TAKE OFF, BROUGHT THE AIRPLANE OVER TO MAINTENANCE. RT MAG REMOVED AND MAG DRIVE GEAR HAD 3 TSep 9, 1997 · N11308 · Cessna 150LSDR 97ZZZX4148Impulse Spring · brokenMAGNETO IMPULSE SPRING FOUND BROKEN INTO 3 PARTS. PART WAS INSTALLED 10-20-94, AND USED 11 HOURS TOTAL. SUBMITTER SUSPECTS CORROSION ON PART STARTED PROBLEM. SUSPECT MATERIAL MAY BE ANOTHER PROBLEM. FACTORY CHANGED APPEARANCE OF PART IN EARLY '94. AS OF TSep 8, 1997 · N7853N · Piper PA28180SDR CA970916006Spring Boss · corroded(CAN) INTERMITTENT HOT OR LIVE MAGNETO CAUSED FROM CORROSION BETWEEN BERYLLIUM COIL SPRING AND BRASS KNURLED CAP. CLEANED WITH NITRIC ACID AND RESET RIVET.Sep 6, 1997 · Dhav DHC2MK1SDR 97ZZZX3974Cam · fracturedPILOT REPORTED ROUGH ENGINE OPS AND HIGH EGT. INSPECTION REVEALED RIGHT MAGNETO CAMSHAFT FRACTURED AND SEPARATED BELOW CAM AT OUTER BUSHING. FRACTURED SURFACE DISPLAYED EVIDENCE OF PREVIOUS FRACTURE. SIXTY HOURS TIME SINCE NEW. AIRCRAFT TOTAL TIME: 2,202.Sep 4, 1997 · N444DJ · Mooney M20CSDR 97ZZZX4327Distributor Gear · teeth failedENGINE FAILED PRE-TAKEOFF MAGNETO CHECK. PILOT RAN ENGINE AT HIGH RPM AND LEANED ENGINE TO SEE IF PLUGS WERE FOULED. AFTER REDUCING POWER ON SECOND MAGNETO CHECK, MAG WAS DEAD. FOUND 3 TEETH MISSING ON DISTRIBUTOR GEAR. MAG HAS 1,045 HOURS TSMO.Sep 1, 1997 · N733WT · Cessna 172NSDR CA970915001Magneto · failed(CAN) ENGINE RAN ROUGH ON THE GROUND RUN AND WAS SHUTDOWN. THE PILOT FAILED IN HIS ATTEMPT TO RESTART THE ENGINE FOR TROUBLESHOOTING. REMOVAL OF THE MAGNETO REVEALED THE DRIVE TEETH WERE BROKEN. THE MAGNETO WAS REPLACED AND THE AIRCRAFT WAS RETURNED TO SERVICEAug 26, 1997 · Cessna 172NSDR 97ZZZX3917Coil · failedINSPECTION FOUND BAD COIL IN MAGNETO. MAGNETO IN LEFT POSITION. AIRCRAFT ENGINE WOULD DIE WHEN LEFT MAG WAS SELECTED.Aug 21, 1997 · N68956 · Cessna 152SDR 97ZZZX3879Distributor Gear · wornMAGNETO WAS RECEIVED BY THIS REPAIR STATION FOR A MANUFACTURER'S RECOMMENDED 500-HOUR INSPECTION. INTERNAL INSPECTION REVEALED THE TEETH ON BOTH THE ROTOR AND DISTRIBUTOR GEARS WERE EXCESSIVELY WORN. IT WAS FURTHER NOTED THAT MOISTURE CONTAMINATION HAD RESULTAug 13, 1997 · N925ER · Piper PA44180SDR 97ZZZX4052Coil · crackedBOTH COILS IN THIS DUAL MAG HAVE CRACKS IN POTTING COMPOUND EXPOSING COIL WINDINGS AND LEAKING HIGH TENSION VOLTAGE. BOTH COILS ARE ELECTROSYSTEMS MANUFACTURED COILS. HAVE SEEN OTHER ELECTRICAL SYSTEM COILS WITH SIMILAR CRACKS. DOES NOT SEEM TO OCCUR WITH BEAug 12, 1997SDR 97ZZZX3875Magneto · contaminatedDURING ANNUAL INSPECTION, BOTH MAGNETOS WERE REMOVED TO C/W SLICK RECOMMENDED 500-HOUR INTERNAL EXAMINATION. RIGHT MAGNETO CHECKED OK, NEEDED ONLY MINOR INTERNAL CLEANING AND POINTS ADJUSTMENT. LEFT MAG HAD A GOOD AMOUNT OF INTERNAL CONTAMINATION FROM THE PRAug 12, 1997 · N40JE · Mooney M20MSDR 97ZZZX4300Bearing · failedFOUND LEFT MAGNETO DRIVE BEARING ASSEMBLY COMING APART. BEARING ASSEMBLY WAS WEARING INTO GEAR RETAINER ASSEMBLY PN LW-19096. SUBMITTER STATES INSPECTION OF THESE PARTS SHOULD BE ACCOMPLISHED EACH TIME MAGNETO IS REMOVED.Aug 11, 1997 · N40200 · Piper PA23250SDR 97ZZZX3749Gear · teeth missingDURING A 100-HOUR INSPECTION, REMOVED MAG FOR IMPULSE COUPLING AD. FOUND SEVERAL TEETH MISSING FROM BOTH DISTRIBUTOR GEARS AND ONE GEAR CRACKED. ALSO NOTED LARGE CRACKS ON THE TOPS OF BOTH COILS. ENGINE AND MAG TIME SINCE FACTORY OVERHAUL 526.4 HOURS. CAUSAug 5, 1997 · N42GV · Cessna R182SDR 99ZZZX1547Screw · missingMAGNETO OVERHAULED. THREE SCREWS MISSING WHICH HOLD MAGNETO CASE HALVES TOGETHER. MAGNETO FALLING APART. 74.4 HOURS SINCE OVERHAUL.Jul 31, 1997 · N357LH · Robsin R22BETA
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