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 97ZZZX1066Magneto · teeth missingBENDIX/TCM DUAL MAGNETO REMOVEDF FROM LYCOMING. FACTORY OVERHAULED ENGINE AT SMOH 489.3 FOR 500-HOUR INSPECTION AND C/W AD 96-12-07. FOUND MAGENTO DISTRIBUTOR GEARS WITH THREE TEETH MISSING FROM ONE GEAR AND ONE-HALF TOOTH MISSING FROM OTHER GEAR. CONTINUEDJan 30, 1997 · N1401E · Cessna 172NSDR 97ZZZX685Coil · crackedPILOT REPORTED LEFT HAND MAGNETO FAILED. REMOVED MAG, FOUND BOTH LEFT HAND S/N A-145-9506 AND RIGHT HAND S/N M-145-9505 IGNITION COILS P/N 10-382588-1 CRACKED. CRACKS ORIGINATE ON BOTH COILS AT IRON CORE AND EXTEND OUTWARD. ON LEFT HAND COIL, CRACK ALSO PREJan 28, 1997 · N4108P · Piper PA31350SDR 97ZZZX684Coil · crackedPILOT REPORTED LEFT HAND MAGNETO FAILED. REMOVED MAG, FOUND BOTH LEFT HAND S/N A-145-9506 AND RIGHT HAND S/N M-145-9505 IGNITION COILS P/N 10-382588-1 CRACKED. CRACKS ORIGINATE ON BOTH COILS AT IRON CORE AND EXTEND OUTWARD. ON LEFT HAND COIL, CRACK ALSO PREJan 28, 1997 · N4108P · Piper PA31350SDR 97ZZZX790Distributor Blk · wornTROUBLESHOT IGNITION SYSTEM. FOUND LEFT MAGNETO TO BE PROBLEM. DISASSEMBLED MAGNETO AND FOUND ROTOR GEAR RUBBING ON DISTRIBUTOR BLOCK HOUSING. DISTRIBUTOR BLOCK HOUSING WAS WARPED. ALSO FOUND BUSHING IN DISTRIBUTOR BLOCK HOUSING WAS WORN THROUGH ON SIDE TOJan 20, 1997 · N1859V · Cessna 140SDR CA970130013Magneto · broken teeth(CAN) SHORTLY AFTER TAKEOFF THE ENGINE BEGAN TO RUN ROUGH AND LOSE POWER. AIRCRAFT RETURNED TO BASE. RUN UP THE FOLLOWING DAY REVEALED THE LEFT MAGNETO WAS DEAD. DISASSEMBLY OF THE MAGNETO REVEALED BROKEN TEETH ON THE DISTRIBUTOR GEARS.Jan 19, 1997 · Cessna 172NSDR 97ZZZX681Magneto · base wornHOLD DOWN BASE FOR MAGNETO WAS WORN. CAUSED HOLD DOWN CLAMP TO BE INEFFECTIVE.Jan 14, 1997 · N419CC · Piper PA28236SDR AU970237Points · out of adjust(AUS) MAGNETO POINTS CLOSED - TIMING OUT OF ADJUSTMENTJan 13, 1997 · Dhavxx DH82AROBRTSNSDR 97ZZZX537Gear · corrodedINSP FOUND COOKED, CORRODED BRUSH IN DIST GEAR DUE TO ARCING. CARBON BRUSH IN LARGE GEAR ASSY RT MAGNETO, PN 10-349350-5, MAY HAVE BEEN BROKEN PRIOR TO OR DURING ASSY OF MAGNETO.Jan 6, 1997 · N31T · Beech 58SDR 97ZZZX456Distributor Blk · bushing spunMAG RUBBER BLOCK CENTER BUSHING SPUN IN BLOCK.Jan 6, 1997SDR 98ZZZX223Magneto · failedUPON TAKING THE CAP OFF THE MAGNETO, NOTED THAT ONE OF THE DRIVE GEAR TEETH WAS BROKEN OFF FROM THE NYLON DISTRIBUTOR GEAR. NOTE: THE DIRECTOR OF MAINTENANCE REPORTED A TIMING TOOL WAS NOT USED.Jan 2, 1997 · N59829 · Piper PA31350SDR 97ZZZX608Distributor Gear · teeth missingENG QUIT IN FLT. RETURNED TO 5B5. FOUND ON BOTH MAGNETOS ALMOST 100 PERCENT OF THE TEETH ON DISTRIBUTOR GEARS WERE MISSING (SHEARED OFF), BOTH DISTRIBUTOR GEAR CONTACT FINGERS BROKEN OFF AND WEDGED BETWEEN GEAR AND DIST. BLOCK CAUSING TOTAL LOSS OF IGNITION.Jan 1, 1997 · N711CE · Beech B60SDR 97ZZZX607Distributor Gear · teeth missingENG QUIT IN FLT. RETURNED TO 5B5. FOUND ON BOTH MAGNETOS ALMOST 100 PERCENT OF THE TEETH ON DISTRIBUTOR GEARS WERE MISSING (SHEARED OFF), BOTH DISTRIBUTOR GEAR CONTACT FINGERS BROKEN OFF AND WEDGED BETWEEN GEAR AND DIST. BLOCK CAUSING TOTAL LOSS OF IGNITION.Jan 1, 1997 · N711CE · Beech B60SDR 97ZZZX441Distributor Gear · strippedAFTER TAKEOFF, THE RIGHT ENGINE STARTED RUNNING ROUGH. PILOT RECEIVED CLEARANCE TO LAND. AFTER LANDING, PILOT PERFORMED MAG CHECK TAXIING BACK TO GATE. LEFT MAG WAS DEAD. MECHANIC CHANGED MAGNETO, TIMED TO ENGINE, RAN UP GOOD. ON DISASSEMBLY OF MAG, FOUNDDec 31, 1996 · N406BK · Cessna 402CSDR 97ZZZX363Magneto · coil crackedINSP FOUND LT AND RT COILS CRACKED. LT AND RT BREAKERS BURNED, LT AND RT ROTORS BURNED AND DISTRIBUTER BLOCK BURNED POSTS.Dec 30, 1996 · N738YY · Cessna 172NSDR 97ZZZX187Impulse Coupling · spring brokenIMPULSE COUPLING SPRING BROKE IN COUPLING, THEREFORE RETARDING TIMING. ALL OTHER PIECES LOOK OK. SPRING APPEARS TO BE OF POOR QUALITY. IT BROKE CLEAN, NO WEAR OR SCRATCHES.Dec 18, 1996 · N4171R · Piper PA32300SDR 97ZZZX186Impulse Coupling · spring brokeIMPULSE COUPLING SPRING BROKE IN COUPLING THEREFORE RETARDING TIMING. ALL OTHER PIECES LOOK OK. SPRING APPEARS TO BE OF POOR QUALITY. IT BROKE CLEAN - NO WEAR OR SCRATCHES.Dec 18, 1996 · N4168R · Piper PA32300SDR 97ZZZX358Rotor · brokenPERFORMED NORMAL RUN-UP PROCEDURES AND FOUND RIGHT MAG INOP. DISASSEMBLED MAG AND FOUND ROTOR GEAR AND END OF ROTORSHAFT LOOSE IN MAG. POSSIBLE DEFECTIVE ROTOR MANUFACTURE OR MACHINING OF SLOT FOR CAM.Dec 4, 1996 · N193SP · Cessna 172PSDR 96ZZZX6080Capacitor · failedLT MAG CAPACITOR P/N ES10-382681, FAILED. FOUND CENTER THREADED PORTION LOOSE FROM OUTER PART. MAG DROP WAS 400 PLUS. NEW TCM 10-382681 FIXED IT.Dec 2, 1996 · N135JP · Piper PA31350SDR 96ZZZX6005Gear Tooth · brokenDURING INSP OF MAG FOR POINT WEAR AND CONDITION, A TOOTH WAS FOUND BROKEN FROM THE DIST GEAR. A NEW GEAR, CONDENSOR, AND POINT WAS INSTALLED. THE MAG WAS RUN ON A TEST BENCH WITH NORMAL OPERATION. A POSSIBLE FLAW IN MATERIAL OR A GEAR HOLDING TOOL NOT BEINGNov 15, 1996 · N6506G · Cessna T210NSDR CA970210008Magneto · faulty(CAN) ENGINE SHUTDOWN WITHOUT INCIDENT. ON NEXT START BOTH THE RIGHT HAND AND LEFT HAND MAGNETOS WERE DEAD, NO SPARK.Nov 12, 1996 · Parten P68CSDR CA961203019Magneto · failed(CAN) ENGINE SHUTDOWN WITHOUT INCIDENT. ON NEXT START BOTH THE RIGHT HAND AND LEFT HAND MAGNETOS WERE DEAD, NO SPARK.Nov 12, 1996 · Parten P68CSDR 96ZZZX5657Block Assy · teeth missingPILOT REPORTED THAT ABOUT EVERY 20 MINUTES, THE RT ENGINE WOULD RUN ROUGH FOR A SECOND. FOUND DISTRIBUTOR GEAR TEETH MISSING FROM DISTRIBUTOR BLOCK ASSY. REPLACED MAGNETO WITH NEW.Nov 1, 1996 · N773EA · Cessna 402BSDR 96ZZZX5728Contact Points · failedENGINE QUIT DURING ROUTINE FLIGHT. REMOVED MAGNETO AFTER FORCED LANDING. FOUND CONTACT POINTS PITTED AN CAM FOLLOWERS WORN OUT TO THE POINT THAT THEY WOULD NO LONGER OPEN THE CONTACTS. SUBMITTER STATED MAGNETOS SHOULD BE INSPECTED ON 500-HOUR INTERVALS AND Oct 25, 1996 · N1163Z · Mooney M20JSDR CA961028001Gear Assembly · broken teeth(CAN) DURING A MAGNETO INSEPCTION FOR ENGINE TIMING CHECK, MAINTENANCE FOUND TWO MISSING TEETH ON THE DISTRIBUTOR GEAR. NO REPORTS OF ENGINE RUNNING IRREGULAR. THE MAGNETO WAS REPLACED AND THE AIRCRAFT RETURNED TO SERVICE.Oct 15, 1996 · Piper PA34200SDR 96ZZZX6004Distributor Gear · deterioratedINVESTIGATION FOR DETERIORATED LT MAG FOUND LEFT MAG WAS (PRESSURIZED) FROM SAME 'T' FITTING AS RIGHT MAG BUT HAS MORE HEAT. LEFT MAG HAS B AND D TACHOMETER PICK UP WITH LARGER ORIFICE WHICH ALLOWS ALMOST TWICE THE AIRFLOW ALLOWING MORE HEAT INTO MAG. SUBMITOct 15, 1996 · N530JP · Mooney M20MSDR 96ZZZX5808Carbon Brush · excess wornOWNER REPORTED EXCESSVIE MAG DROP INTERMITTENTLY RIGHT ENG LEFT MAG. NOTICED EXCESSIVE CARBON DUST AROUND MAG VENT. PULLED MAG AND OPENED UP EVERYTHING COATED WITH CARBON DUST. SUBMITTER STATED BRUSH WORN TOO QUICKLY. MANUFACTURE BRUSH FROM HARDER SUBSTANCEOct 4, 1996 · N415CC · Piper PA23250SDR 96ZZZX5990Magneto · failedWHILE RETURNING, IN-FLIGHT, ENGINE RT MAGNETO QUIT WORKING. FURTHER INSPECTION. FOUND MAG HAD FAILED DUE TO TIMING GEARS HAVING ROTATED CAUSING MAG TO LOSE ITS TIMING. MAG WAS PROPERLY SAFTIED WITH COTTER KEY STILL IN PLACE. FAILURE WAS CAUSED BY A BUSHINGOct 2, 1996 · N800NC · Dhav DHC4ASDR 96ZZZX5290Impulse Coupling · spring brokenFOUND IMPULSE COUPLING, SPRING BROKEN DUE TO CORROSION.Oct 1, 1996 · N2700X · Cessna 180HSDR 96ZZZX5289Impulse Coupling · spring brokenFOUND IMPULSE COUPLING, SPRING BROKEN DUE TO CORROSION.Oct 1, 1996 · N2700X · Cessna 180HSDR 96ZZZX5312Magneto · excess wearAFTER INSTALLING A FACTORY REBUILT 3000 SERIES, MAGNETO AIRCRAFT WAS PLACED BACK ON RENTAL STATUS ON 9-27-96, A FLIGHT INSTRUCTOR NOTICED TAKEOFF POWER WAS DOWN BY APPROXIMATELY 200 RPM AT FULL THROTTLE. MAINTENANCE INVESTIGATION REVEALED BOTH SETS OF MAGNETOSep 27, 1996 · N4696G · Cessna 172NSDR 96ZZZX5263Distributor Bloc · overheatDISTRIBUTOR BLOCK AND DISTRIBUTOR GEAR HAD EXCESSIVE HEAT BUILD-UP AND MELTING OF GEAR POSSIBLY DUE TO LACK OF SUFFICIENT CLEARANCE DURING MANUFACTURE OR IMPROPER OIL IMPREGNATION DURING MANUFACTURE.Sep 27, 1996 · N91284 · Piper PA34200TSDR CA961001005Lead · faulty(CAN) #3 ENGINE BEGAN RUNNING ROUGH IN CRUISE. PRECAUTIONARY SHUT DOWN WAS CARRIED OUT. POST FLIGHT INSPECTION FOUND A SHORT TO GROUND HIGH TENSION LEAD FROM THE LEFT MAGNETO TO THE DISTRIBUTOR BLOCK. LEFT HIGH TENSION LEAD AND FRON TSPARK PLUG REPALCED. ENGINSep 17, 1996 · Doug C54ASDR 96ZZZX5635Rotor · brokenINVESTIGATION FOR ROUGH RUNNING ENGINE FOUND MAGNETO OUT OF TIME DUE TO BROKEN ROTOR.Sep 14, 1996 · Child S1SPITTSSDR CA961007032Magneto · cracked coil(CAN) DURING INSPECTION THE #2 ENGINE MAGNETO HAD A CRACKED COIL.Sep 12, 1996 · Piper PA23250SDR CA961007031Magneto · faulty(CAN) DURING INSPECTION OF THE #1 ENGINE, THE MAGNETO INPUT SHAFT NUT WAS FOUND SEPARATED FROM THE SHAFT.Sep 12, 1996 · Piper PA23250SDR CA960923014Magneto · faulty(CAN) ON INSPECTION THE MAGNETO DISTRIBUTOR TEETH WERE FOUND MISSING.Sep 12, 1996 · Piper PA23250SDR CA960916016Magneto · faulty(CAN) MAGNETO, WITH NEW CAPACITORS, INSTALLED ON AIRCRAFT AND FAILED WITHIN 12 HOURS. UNIT RETURNED FOR WARRANTY RECOVERY.Sep 11, 1996 · Cessna R182SDR 96ZZZX4989Magneto · chafedLEFT ENGINE WITH LESS THAN 100 HOURS SINCE OVERHAUL HAD NAGGING SMALL LEAK AT MAGNETO, WAS THOUGHT TO BE IMPROPER INSTALLATION, MAG GASKET GETTING DAMAGED. UPON FURTHER INVESTIGATION, FOUND MOUNTING FLANGE WORN AT SPOT WHERE CLAMP GOES. ORDERED NEW BENDIX SHSep 11, 1996 · N3587P · Piper PA31350SDR 96ZZZX4988Magneto · chafedLEFT ENGINE WITH LESS THAN 100 HOURS SINCE OVERHAUL HAD NAGGING SMALL LEAK AT MAGNETO, WAS THOUGHT TO BE IMPROPER INSTALLATION, MAG GASKET GETTING DAMAGED. UPON FURTHER INVESTIGATION, FOUND MOUNTING FLANGE WORN AT SPOT WHERE CLAMP GOES. ORDERED NEW BENDIX SHSep 11, 1996 · N3587P · Piper PA31350SDR 96ZZZX4803Magnet · shaft failedMAGNETO FAILED IN-FLIGHT. MAGNET, P/N 10-15828Y, SHAFT FAILED. BROKE IN TWO PIECES AT THE INNER WOODRUFF KEY SLOT AT THE OUTER EDGE OF THE SLOT. THIS FAILURE WAS INSIDE THE MAGNETO SO THE GEAR AND OUTWARD END OF THE SHAFT CONTINUED TO ROTATE. THE ENGINE COSep 10, 1996SDR CA960924025Magneto · shaft sheared(CAN) THE RIGHT ENGINE WOULD NOT START. INSPECTION REVEALED THE #2 ENGINE LEFT HAND MAGNETO HAD SEPARATED FROM THE CASE BREAKING THE MAG CASTING AT THE MOUNTING FLANGES & THE MAGNETO SHAFT WAS BENT. FURTHER INVESTIGATION FOUND THE FUEL PUMP, CAMSHAFT, VACUUM PSep 5, 1996 · Beech D95ASDR 97ZZZX182Housing · brokenAIRCRAFT TACK TIME 2951.81. ENG FAILURE RESULTED IN OFF AIRPORT LANDING CAUSING DAMAGE TO AIRCRAFT OF UNREPAIRABLE AMOUNT. FAILURE CAUSED BY DUAL MAGNETO FALLING OFF OF ACCESSORY CASE AND DRIVE GEAR DISENGAGING FROM ENG. EXAM SHOWS LOWER MAG HOLD DOWN STUD Sep 4, 1996 · N8186G · Piper PA32R301TSDR 96ZZZX5021Magneto · condenser failedENGINE DEVELOPED ROUGHNESS, DETERMINED TO BE MAGNETO FAILURE. PILOT LANDED AND TAXIED ON BEACH WHERE IT WAS DETERMINED THE EXHAUST ROCKER CHAMBER NR 1 CYLINDER HAD CRACKED, PRESUMABLY FROM ENGINE ROUGHNESS. BOTH COMPONENTS WERE REPLACED.Sep 4, 1996 · N491K · Dhav DHC3SDR 96ZZZX5311Magneto · failedDURING CRUISE FLIGHT, ENGINE STOPPED PRODUCING POWER. AN OFF-AIRPORT LANDING MADE WITHOUT INCIDENT. MAINTENANCE INSPECTION REVEALED BOTH SETS OF POINTS IN THE DUAL 2000 SERIES MAGNETO HAD CLOSED CAUSING ENG TO STOP. POINTS WERE RESET AND ENG RAN AND PRODUCESep 2, 1996 · N4696G · Cessna 172NSDR CA960909033Magneto · faulty(CAN) MAGNETO CUT OUT AT ACCELERATION ON TAKEOFF.Aug 26, 1996 · Cessna R182SDR AU961203Support · damaged(AUS) MAGNETO DISTRIBUTOR GEAR BEARING SUPPORT DAMAGED - FOUND DURING INSPECTION IAW AD/ELEC/46 - INTERNAL DAMAGE TO MAGNETOAug 15, 1996 · Cessna 172RGSDR CA960826093Rotor · broken shaft(CAN) THE MAGNETO DID NOT FUNCTION DURING GROUND RUN. THE MAGNETO WAS REPLACED. INSPECTION OF THE FAULTY MAGNETO REVEALED THE SLOTTED END OF THE ROTOR SHAFT BROKE NEAR THE SHOULDER.Aug 14, 1996 · Beech C23SDR 96ZZZX4148Bearing · failedMAGNETO POINTS WERE NOT OPENING DUE TO EXCESSIVE WEAR ON THE POINTS' CAM FOLLOWER. THIS WEAR WAS ACCELERATED BY A HEAT BUILD-UP ON THE MAGNETO SHAFT GENERATED BY A FAILED REAR BEARING.Aug 12, 1996 · N4949G · Cessna 172NSDR CA960826022Magneto · housing broke(CAN) MAGNETO HOUSING BROKE AT MOUNTING FLANGE. COUPLING WAS ALSO DAMAGED.Aug 8, 1996 · Cessna U206FSDR 96ZZZX4401Magneto · separatedMAGNETO SEPARATED FROM ENGINE ON TAKEOFF CAUSING ENGINE TO STOP. THIS IS A DUAL MAGNETO ON A SINGLE DRIVE. IT WAS DETERMINED THE NUTS HAD LOOSENED AND ALLOWED MAG TO COME OFF. THERE IS NO TORQUE LISTED FOR THIS MAGNETO EXCEPT STANDARD TORQUE. RECOMMEND THAAug 7, 1996 · N66291 · Beech 76
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