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 CA111003010Coil · malfunctioned(CAN) WEAK SPARK WHEN HOT. REPLACED WITH NEW COIL.Sep 17, 2011 · Bbavia 7KCABSDR 2011FA0000587Impulse Coupling · failedTHE SPRINGS IN THE IMMPULSE COUPLING FAILED. THE PAWS TO ENGAGE THE MAGNETO WOULD NOT EXTEND. IT WAS NOTED THAT THE IMPLUSE COUPLING WAS NOT SNAPPING DURRING A 100 HR INSPECTION. MAGNETO WAS R/R'D TO CORRECT DISCREPANCY.Sep 13, 2011 · N14JH · Beech 58SDR CA110929017Distributor Gear · overheated(CAN) MAGNETO WAS RECEIVED UNSERVICEABLE FOR REPAIR. REPORTED LESS THAN 500 HOURS ON UNIT (NEW IN 2003) AND MAGNETO WAS DEAD AT MAGNETO DROP CHECK. WHEN DISASSEMBLED THE DISTRIBUTOR GEAR ELECTRODE HAD ROTATED APPROX 60 DEGREES BACKWARDS FROM ITS ORIGINAL LOCSep 5, 2011SDR CA110928013Magneto · cracked(CAN) CRACKED INSULATING WASHER FOUND DURING 100 HR INSPECTION OF ACFT. MAGNETO REPLACED.Sep 4, 2011 · Robsin R44RAVENIISDR QOF2011F00000Contact · defectiveTACHOMETER CONTACT ASSY SEEMS TO HAVE BREAKDOWN IN INSULATION AND STARTING TO FAIL IN 200 HRS OR LESS. RESULTS IN UNWANTED POWER REDUCTION WHICH COULD RESULT IN LOSS OF ACFT AND LIFE.Aug 11, 2011 · N744AK · Robsin R44RAVENIISDR CA110816007Spring · corroded(CAN) THIS ORIGINATED AS A "HOT" MAGNETO PROBLEM AFTER THE "P" LEAD WAS REMOVED FOR MAGNETO TIMING ACCESS AND AFTER PN, NT 5274, NUT COILED BERYLLIUM SPRING WAS REPLACED. (NOT PART OF MAGNETO O/H BUT PART OF THE "P" LEAD). AN OPEN CIRCUIT CREATED A "HOT" MAGNAug 5, 2011 · Dhav DHC2MKISDR CA110805005Bearing · separatedMAG WAS RECEIVED FOR REPAIR AFTER 123.1 HRS IN SERVICE. THE DISTRIBUTOR BLOCK BEARING HAD SEPARATED FROM THE PLASTIC DISTRIBUTOR BLOCK AND THE NYLON DISTRIBUTOR GEAR HAD COCKED WITH THE BEARING. THIS CAUSED WEAR ON THE TEETH AND THE ELECTRODE HAD STARTED TO MAug 3, 2011 · Cessna U206GSDR CA110804004Seal · leakingLT MAGNETO SEAL - PART OF BLOWER ASSY APPEARS TO HAVE SHRUNK ALLOWING SEAL TO LEAK IN 4 BOLT HSG PLATE PN 164315. PERHAPS THE ENGINE OIL IS NOT COMPATIBLE WITH THE SEAL MATERIALS. SB 1266 EXPLAINS THIS ASSEMBLY.Aug 3, 2011 · Dhav DHC2MKISDR CA110804001Distributor Gear · looseAT ROUTINE 500 HR MAGNETO INSP, THE DISTRIBUTOR FINGER OF THE DISTRIBUTOR GEAR WAS FOUND TO BE LOOSE - DISTRIBUTOR GEAR REPLACED.Aug 3, 2011 · Cessna 152SDR CA110803027Impulse Coupling · wornIMPULSE COUPLING SHOWED WORN RIVET AND EXCESSIVE PAWL GAP AFTER ONLY 200 HRS TIME IN SERVICE. THIS SHOP PERFORMS SLICK SB 1-86 EVERY 100 HRS INSTEAD OF THE RECOMMENDED 500 DUE TO PREVIOUS EXPERIENCE. THIS IMPULSE COUPLING WOULD NOT HAVE LASTED ANOTHER 300 HRAug 1, 2011SDR 2011FA0000479Impulse Coupling · bentDURING 500 HR MAGNETO INSPECTION, FOUND IMPULSE COUPLINGS OUT OF SPEC. POSSIBLY PAWL INTERFERENCE WITH WOODRUFF KEY DURING DISASSEMBLY CAUSING PAWL TO BEND PAWL RIVET AND INCREASE PAWL BOSS CLEARANCE.Jul 22, 2011 · N839SA · Cessna T206HSDR 2011FA0000548Cam Follower · brokenTHE CAM FOLLOWER SPRING THAT IS A PART OF THE BREAKER POINT ASSY IN THE LT MAGNETO BROKE COMPLETELY OFF AT APPROX ITS MID POINT, RESULTING IN TOTAL FAILURE OF THAT MAGNETO. NOTE: THIS FAILURE OCCURRED APPROX 18 OPERATIONAL HOURS FOLLOWING AN IDENTICAL SUCH FJul 20, 2011 · N7662V · Airpts A9BSDR 2011FA0000474Impulse Coupling · failedTOTAL FAILURE OF IMPULSE COUPLING. CAUSE TO BE DETERMINED BY FURTHER INSPECTION.Jul 20, 2011 · N7170X · Cessna 150ASDR CA110719006Magneto · departedDURING ENGINE THE PRE-FLIGHT RUN UP THE PILOTS NOTICED RT ENGINE ROUGHNESS AND LT MAGNETO DROP WAS EXCESSIVE. ACFT RETURNED TO CHOCKS AND FLIGHT WAS CANCELLED. A LARGE AMOUNT OF OIL WAS THEN DISCOVERED UNDER THE COWLING. MX DISCOVERED THAT THE LT MAGNETO HADJul 19, 2011 · Piper PA34200TSDR 2011FA0000493Points · defectiveTHE RT MAGNETO FAILED ON RUN UP, INSP OF THE MAGNETO REVEALED THAT THE TUNGSTEN CONTACT AREA ON THE FIXED SIDE OF THE POINTS HAD SEPARATED FROM THE BASE. THIS LOOKS TO BE SPOT WELDED TO THE NON TUNGSTEN PORTION OF THE CONTACT. WHEN THIS SEPARATED, IT WOULD NJul 11, 2011 · N241CM · Cirrus SR22SDR 2011F00154Shaft · brokenACFT WAS WRITTEN UP FOR POWER LOSS. LT AND RT MAGS WERE PULLED. TACH TIME ON BOTH MAGS, 933.5. INSP REVELED LT MAG CAM FOLLOWER SHAFT BROKEN. BOTH MAGS HAD OIL GETTING PAST OIL SEAL AS A RESULT, POINTS WERE PITTED, MAGS WERE REPLACED.Jul 11, 2011 · N638FT · Piper PA28161SDR 2011F00153Shaft · failedACFT WAS WRITTEN UP FOR POWER LOSS. LT AND RT MAGS WERE PULLED. TACH TIME ON BOTH MAGS, 933.5. INSPECTION REVEALED LT MAG CAM FOLLOWER SHAFT BROKEN. BOTH MAGS HAD OIL GETTING PAST OIL SEAL AS A RESULT, POINTS WERE PITTED, MAG WERE REPLACED.Jul 11, 2011 · N638FT · Piper PA28161SDR 2011F00144Impulse Coupling · separatedIMPULSE COUPLING CAME APART AND FRACTURED THE MAG HOUSING.Jul 11, 2011 · N899DD · Beech 58SDR 2011FA0000499Bearing · failedPILOT REPORTED RT MAGNETO FAILURE. INSPECTED FOR SECURITY OF ATTACHMENT AND CORRECT TIMING TO ENGINE. REMOVED RT MAGNETO AND DISASSEMBLED. UPON INSPECTION, BRASS (OR BRASS LOOKING) METAL SHAVINGS INTERNALLY UNDER DISTRIBUTOR CAP AND NEAR GEAR. DISTRIBUTORJul 9, 2011 · N5216S · Piper PA32300SDR 2011FA0000717Magneto · failedDURING A POST ACFT ACCIDENT ENGINE TEARDOWN IT WAS NOTED THAT THE RT MAGNETO FIRED ERRATICALLY BELOW 1400 RPM. FURTHER INVESTIGATION REVEALED THAT THE DISTRIBUTOR GEAR WAS LOOSE AND THE ROTOR GEAR WAS LOOSE. PILOT REPORTED LOSS OF POWER ON TAKEOFF.Jul 7, 2011 · N231E · Mooney M20KSDR 2011FA0000440Rotor · meltedAN IN FLIGHT ENGINE FAILURE RESULTED FROM THE DISTRIBUTOR ROTOR CONTACT (AUTOMOTIVE ENGINE) BECOMING LOOSE AND COMING OFF IN FLIGHT. THE ACFT RECEIVED A CONDITION INSPECTION 2 FLIGHT HOURS PRIOR TO THE FAILURE. THE INSPECTION PROGRAM USED FOR THE ENGINE DID NOJul 6, 2011 · N562SF · Amtr KITFOXIVSDR 2011FA0000435Gear · damagedDURING 500HR INSP ON MAGNETO, DISCOVER LOOSE FINGER ON DISTRIBUTOR GEAR PN K3822, REPLACED WITH NEW PART.Jun 30, 2011 · N186WW · Piper PA44180SDR 2011FA0000434Gear · looseDURING 500HR INSPECTTION, FOUND DISTRIBUTOR GEAR FINGER LOOSE. REPLACED THE DISTRIBUTOR GEAR PN K3822.Jun 30, 2011 · N186WW · Piper PA44180SDR 2011FA0000433Coil · defectiveDURING 500HR INSPECTION ON MAGNETO, FOUND DEFECTIVE COIL; IT WOULD NOT PASS THE OHM CHECK IN SRM.Jun 30, 2011 · N186WW · Piper PA44180SDR 2011FA0000432Distributor Blk · damagedDURING 500HR INSPECTION ON MAGNETO, FOUND DISTIBUTOR GEAR FINGER LOOSE. REPLACED THE DISTRIBUTOR BLOCK PN K3822.Jun 30, 2011 · N186WW · Piper PA44180SDR 2011FA0000430Coil · defective300RPM MAG DROP DURING RUN UP, DEFECTIVE COIL. COIL HAVE BEEN FAILING MORE THEN NORMAL .Jun 30, 2011 · N1590W · Cessna 172RSDR CA110620008Distributor Gear · looseAT ROUTINE 500 HR MAGNETO INSPECTION, THE DISTRIBUTOR FINGER OF THE DISTRIBUTOR GEAR WAS FOUND TO BE LOOSE - DISTRIBUTOR GEAR REPLACED.Jun 17, 2011 · Cessna 172SSDR 2011FA0000370Coil · damagedCOIL, PN ES10-382588-1. BEND IN TANG ON COIL IS TOO HIGH. CREATES INTERFERNCE WITH INTERNAL MAGNETO GEARS BATCH NR 3610.Jun 16, 2011 · Piper PA31350SDR 2011FA0000547Spring · brokenTHE CAM FOLLOWER SPRING THAT IS A PART OF THE BREAKER POINT ASSY IN THE RT MAGNETO BROKE COMPLETELY OFF AT APPROX ITS MID POINT, RESULTING IN TOTAL FAILURE OF THAT MAGNETO.Jun 14, 2011 · N7662V · Airpts A9BSDR CA110613018Rotor · crackedMAGNETO ROTOR CRACKED AT THE SPLIT WHERE THE POINTS CAM GETS INSERTED. THE CRACK CAUSE THE SMALL ROTOR GEAR TO FALL AWAY AND LOSE CONTACT WITH THE DISTRIBUTOR GEAR STOPPING THE FUNCTION OF THE MAGNETO. BOTH SIDE OF THE SPLIT WERE CRACKED CLEAN OFF. MY GUESS Jun 2, 2011 · Cessna 172PSDR CA110606016Bushing · wornRT ENGINE, CAN`T RESTART ENGINE ON GROUND. LT MAGNETO REMOVED, INSPECTED AND FOUND BUSHING WORN OUT ON GEAR. SENT TO O/H.Jun 1, 2011 · Piper PA31SDR CA110616008Magneto · malfunctionedENGINE AND GOVERNOR UNSTABLE. MAGNETO REPLACED.May 29, 2011 · Robsin R44RAVENIISDR ECQ2011F00000Gear · failedTHIS ACFT WAS WRITTEN UP FOR INTERMITTENT POWER LOSS, 3 TIMES. WE COULD NOT DUPLICATE ON GROUND RUNS. AFTER 3RD WRITE UP, BOTH MAGS WERE REMOVED AND INSPECTED. DURING TROUBLESHOOTNG, THE RT MAG WAS FULL OF OIL, 2 TEETH WERE MISSING FROM PLASTIC DRIVE GEAR, May 19, 2011 · N636FT · Piper PA28161SDR 2011FA0000451Magneto · intermittentOWNER REPORTED ENGINE WOULD START RUNNING ROUGH AFTER 15 TO 20 MINUTES OF FLIGHT, WITH CHECK OF RT MAGNETO GIVING LARGE RPM DROP. REPLACED MAGNETO AND ENGINE OPERATION NOW NORMAL. DISASSEMBLED MAGNETO AND FOUND THAT DISTRIBUTOR GEAR ELECTRODE FINGER WAS LOOSMay 12, 2011 · N2140L · Mooney M20JSDR 2011F00083Magneto · failedMAGNETO WAS INSTALLED WHEN ENGINE WAS O/H (JAN 20110) LT MAGNETO FAILED AND WAS REPLACED WITH IN 21.4 HOURS.May 7, 2011 · N612FT · Piper PA28161SDR 2011FA0000260Drive Gear · failedMAGNETO LT/ MAG, P/N 4371 S/N 96110203 INSTALLED ON AN ENGINE, EXPERIMENTAL ACFT. MAGNETO HAD A ROUGH RUNNING ENGINE, UPON INVESTIGATION FOUND THIS CONDITION, ALTHOUGH THIS WAS NOT THE CAUSE OF THE ENGINE RUNNING ROUGH, IT APPEARS THAT THE CAM AND DRIVE GEARApr 26, 2011 · N289R · Amtr PAZMANYPL2SDR 2011FA0000278Points · crackedACFT WAS DISCOVERED TO HAVE AN INOPERATIVE LT MAGNETO DURING A PILOT OPERATED ENG RUN. TROUBLESHOOTING FOUND THE FLAT SPRING PORTION OF THE CONTACT POINT ASSY HAD CRACKED THROUGH APPROX HALFWAY ALONG THE LENGTH OF THE SPRING AND ACROSS ITS ENTIRE WIDTH. THE Apr 18, 2011 · N9861Z · Cessna U206GSDR CA110421003Magneto · malfunctionedENGINE RPM FLUCTUATING. RT MAGNETO REPLACED.Apr 16, 2011 · Robsin R44SDR CA110412008Bearing · worn(CAN) PILOT REPORTED DEAD LEFT MAGNETO ON LT ENGINE OF ACFT WHILE PERFORMING RUNUP. THE DUAL MAGNETO WAS REMOVED AND IT WAS FOUND THAT THE LT DISTRIBUTOR GEAR HAD A LOT OF PLAY AT THE BEARING WHICH ALLOWED THE GEAR TO BECOME UNMESHED WITH THE ROTOR GEAR. THE Apr 12, 2011 · Piper PA44180SDR 2011FA0000267Magneto · seizedPILOT REPORTED THE LT ENGINE WAS RUNNING RUFF. THE LT ENGINE WOULD NOT START WHEN TRYING TO TROUBLESHOOT. THE LT MAG HAD SEIZED UP AND DAMAGED THE RUBBER MAG DRIVE BUSHINGS AND MAG DRIVE GEAR RETAINER.Apr 8, 2011 · N5355J · Cessna 421CSDR 2011FA0000224Magneto · failedPILOT REPORTED ON RUN UP, SELECTED LT MAGNETO POSITION, HAD EXCESSIVE RPM DROP AND BACKFIRED. ON TROUBLESHOOTING TECH FOUND MAGNETO TO BE AT FAULT. INSTALLED SERVICEABLE MAGNETO, OPS CHECKED OK. NO PROBABLE CAUSE OR RECOMMENDATIONS AT THIS TIME.Apr 3, 2011 · N8252T · Beech F33ASDR CA110414006Magneto · failedLEFT MAGNETO FAILED MAG CHECK. MAGNETO REPLACED.Apr 1, 2011 · Robsin R44RAVENIISDR CA110331025Distributor Blk · loose(CAN) WHILE INVESTIGATING A ROUGH RUNNING ENG, DISCOVERED THE DISTRIBUTOR FINGER ON THE DISTRIBUTOR GEAR LOOSE.Mar 30, 2011 · Moravn Z242LSDR 2011FA0000231Gear · misinstalledPART WAS INSTALLED NEW FROM MFG. DISTRIBUTOR APPEARS TO HAVE BEEN ASSEMBLED WITH FINGER, NOT PROPERLY LOCATED. APPROX 15 DEGREES OUT OF ALIGNMENT. MINOR ENGINE ROUGHNESS OR SUBJECTIVE SIGN AND WAVE, WITHIN NORMAL PARAMETERS. DEFAULT DISCOVERED AT CURRENT IMar 29, 2011 · N88TG · Piper PA31350SDR CA110329009Cap · cracked(CAN) MAINTENANCE CRANKED THE RT STARTER FOR REQUIRED TROUBLESHOOTING ON HYDRAULIC SYSTEM, AND AS THE FIRST PROP BLADE WENT BY, THEY HEARD A LOUD BANG. LOOKED AT THE MAG AND FOUND THE CASE BLOWN APART.Mar 26, 2011 · Piper PA31350SDR 2011FA0000219Points · corrodedAT THE LAST ANNUAL INSP, FOUND THE RT MAG POINTS PITTED AND REPLACED WITH A NEW SET OF M-3081 POINTS. CUSTOMER CALLED AS WAS HAVEING PROBLEMS WITH THE RT MAG, DEAD, NO SPARK. UPON INVESTIGATION, THE PROBLEM WAS THE POINTS TAB WAS BROKEN AND LAYING IN THE CASMar 22, 2011 · N6182U · Cessna 182TSDR CA120111004Bearing · loose(CAN) MAGNETO WAS REMOVED APPROXIMATELY 320 HOURS AFTER 500 HR INSPECTION BECAUSE OF MISSING TEETH ON THE NYLON DISTRIBUTOR GEAR. WHEN RECEIVED, THE MAG WAS DISASSEMBLED AND THE BUSHING INSIDE THE DISTRIBUTOR BLOCK WAS NO LONGER ATTACHED TO THE DISTRIBUTOR BLMar 19, 2011 · Robsin R44RAVENIISDR 2011FA0000179Pump · leakingEVIDENCE OF OIL STREAMING DOWN BELLY TO TAIL. OIL NOTED DRIPPING FROM A DRAIN TUBE BELOW FIRE WALL. DRAIN TUBE CONNECTED TO AN OVERFLOW FITTING ON ENGINE MOUNTED MECHANICAL FUEL PUMP. PUMP R & R. PUMP CORE DISASSEMBLED & OIL FOUND LEAKING THROUGH 1ST OF 2 Mar 16, 2011 · N383TC · Cessna 172SSDR CA110322007Rotor · broken(CAN) MAG WAS RECEIVED FOR WARRANTY PURPOSES AS IT FAILED IN SERVICE. MAG WAS OPENED UP & THE NYLON ROTOR GEAR, CAM & 2 TANGS OF THE ROTOR WERE FOUND ASSEMBLED BUT BROKEN AWAY FROM THE ROTOR SHAFT. WHILE INSPECTING THE DISTRIBUTOR BLOCK & GEAR ASSEMBLY IT WAMar 14, 2011 · Cessna 172MSDR CA110321009Magneto · failed(CAN) PILOT DETECTED A VIBRATION IN CRUISE FLIGHT & ELECTED TO CARRY OUT A MAGNETO CHECK. THE RT MAGNETO FAILED COMPLETELY. THE PILOT ELECTED TO CLIMB FOR ALTITUDE & RETURNED TO BASE. REMOVED THE MAGNETO & RETURNED IT TO THE MFG FOR WARRANTY. A STRIP REPORMar 14, 2011 · Cessna 172M
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