JASC 7414
Service difficulty reports · 2,448
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 CA120522013Bushing · swollen(CAN) ENGINE WAS BEING DISMANTLED FOR AN UNRELATED PROBLEM WHEN IT WAS DISCOVERED THAT THE MAGNETO RUBBER DRIVE BUSHINGS WERE SWOLLEN AND CAUSING THE MAGNETO DRIVE GEAR TO WEAR INTO THE ADAPTER ASSY. THERE WAS A LOT OF BRASS MISSING FROM THIS WEAR. SUPERIOR SDR CA120515001Bearing · loose(CAN) MAG WAS RETURNED WITH A WC STATING MAG DEAD AND TEETH BROKEN. WHEN DISASSEMBLED, THE BEARING IN THE DISTRIBUTOR BLOCK WAS FOUND LOOSE. THIS CAUSED THE DISTRIBUTOR GEAR TO TILT AND CONTACT THE ELECTRODES IN THE DISTRIBUTOR BLOCK. THE BATCH CODE OF THE SDR CA120510008Magneto · no test(CAN) DURING PRE-FLIGHT RUN-UP LT MAGNETO FAILED MAG DROP TEST. MAGNETO INTERNAL TIMING FOUND TO BE OFF BY 7 DEGREES. MAGNETO REPLACED.SDR BSYA2012018Magneto · defectiveON TAKEOFF ROLL AT CLT, PILOT NOTICED LEFT ENGINE NOT PRODUCING FULL POWER. PILOT ABORTED TAKEOFF AND TAXIED BACK TO RAMP WITHOUT INCIDENT. MAINTENANCE REPLACED DEFECTIVE LEFT MAGNETO, RUN UP AND OPERATIONAL CHECK OK NO FURTHER DEFECTS NOTED.SDR JIKA2012050101Magneto · failedPILOT REPORTED THAT "RIGHT ENGINE RUNNING ROUGH ON CLIMBOUT AT 4000 FT LOSS OF 200 RPM. RIGHT ENGINE FAILED MAGNETO CHECK AFTER LANDING. MAINTENANCE FOUND RIGHT ENGINE LEFT MAGNETO INTERNALLY FAILED, AND REPLACED THE MAGNETO.SDR CA120517002Magneto · malfunctioned(CAN) PILOT REPORTED A 200 RPM DROP DURING MAG CHECK OF RT MAGNETO ON RT ENGINE. MAGNETO REPLACED.SDR CA120529007Magneto · failed(CAN) PARTIAL POWER LOSS DURING FLIGHT AND ENGINE RUNNING ROUGH.SDR 2012FA0000299Impulse Coupling · looseDURING 500 HOUR INSPECTION OF MAGNETO SB 1-86B IMPULSE COUPLING INSPECTION. FOUND A LOOSE RIVET.SDR CA120420004Cam · cracked(CAN) ON ENGINE SHUTDOWN PILOT NOTICES OIL LEAKING. INSPECTION REVEALED MAGNETO HAD A HOLE NEAR MOUNTING FLANGE. THE MAGNETO WAS REMOVED AND FOUND THAT 1 OF THE FLYWEIGHTS HAD CRACKED BY MOUNTING PIN AND THE FLYWEIGHT HAD EXITED THE MAGNETO THROUGH THE CASE.SDR 2012FA0000197Bearing · wornPILOT DECLARED EMERGENCY AND PERFORMED UNSCHEDULED LANDING DUE TO LT ENGINE LT MAGNETO FAILURE. FAILURE APPEARS TO HAVE BEEN CAUSED BY A BAD BEARING IN THE MAGNETO.SDR CA120424004Magneto · failed(CAN) ENGINE FOUND TO BE RUNNING ROUGH DURING POST MAINTENANCE GROUND RUN. MAGNETO REPLACED.SDR 2012FA0000270Contact · loosePILOT REPORTED A HIGH MAGNETO DROP. UPON INSPECTION THE LT MAGNETO WOULD NOT TIME CONSISTENTLY. REMOVED AND DISASSEMBLED THE MAGNETO AND FOUND 1 SIDE OF THE CONTACT POINT TO BE VERY LOOSE.SDR 2012FA0000266Impulse Coupling · destroyedUPON LT ENGINE START-UP THE OIL PRESSURE WAS BELOW LIMITS AT 1000 RPM. WHILE TROUBLESHOOTING LOW OIL PRESSURE, WE FOUND FOREIGN MATERIAL UNDER OIL PRESSURE ADJUST SEAT. INVESTIGATING IT, FOUND THE LT MAGNETO HAD MOVED (ROTATED) POSITION. UPON REMOVAL OF LT SDR 2012FA0000722Magneto · malfunctionedMAGNETO MISFIRES DURING MAGNETO CHECK.SDR 2012FA0000257Contact · missingENGINE WAS RUNNING ROUGH AND WHEN THE MAG SWITCH WAS MOVED TO THE RT MAGNETO POSITION, THE ENGINE WOULD STALL. PERFORMED RUN UP TO VERIFY DISCREPANCY. REMOVED MAG FROM ENGINE AND DISASSEMBLED FAR ENOUGH TO FIND THAT THE CONTACT ASSY PN M3081 HAD THE ARM CONTSDR EPUA20120308001Distributor Blk · damagedRT ENGINE RUNNING ROUGH OUTBOUND, MX FORUND THAT NR 2 ENGINE RT MAGNETO WENT TO CROSSFIRING. ENGINE WOULD NOT RUN WITH THIS MAG IN THE ON POSITION, DISTIBUTOR BLOCK COMING APART. REPLACING MAGNETO.SDR CA120228015Magneto · failed(CAN) AIRCRAFT RETURNED TO BASE AFTER RIGHT MAGNETO FAILED DURING PRETAKE OFF RUN UP. TROUBLESHOOTING WAS CONDUCTED AND FOUND THE MAGNETO TO HAVE COMPLETE FAILURE. MAGNETO RETURNED.SDR 2012FA0000211Pawl · looseTRIED TO START ACFT, PROP WOULD TURN BUT IMPULSE COUPLING COULD NOT BE HEARD SNAPPING. REMOVED LEFT MAGNETO AND FOUND THAT THE RIVET HOLDING ONE OF THE PAWLS HAD BROKEN OFF AND THE PAWL WAS BEATING THE EDGE OF THE MAGNETO, DESTROYING THE LIP. THERE WAS ALSDR CA120423018Magneto · failed(CAN) PILOT REPORTED RIGHT ENGINE RT MAGNETO UNSERVICEABLE. MAGNETO REPLACED.SDR CA120224012Magneto · failed(CAN) MAGNETO FAILED.SDR CA120223011Cap · fractured(CAN) DURING TROUBLESHOOTING BY MAINTENANCE FOR A HARD STARTING RT ENGINE, MAINTENACE FOUND ONE ENTIRE SIDE OF MAGNETO CAP FRACTURED AWAY. 2 SIDEWALL PIECES FOUND IN AFT LOWER COWLING. UNABLE TO DETERMINE CAUSE. MAGNETO PRESSURIZATION VALVE AND SYS CHECKED SSDR FQAR2012021500925Distributor Gear · failedRIGHT MAGNETO FAILED AFTER CLIMBING TO ALTITUDE. FOUND RT MAGNETO DISTRIBUTOR GEAR HAD FAILED. METAL PLATE THAT ATTACHES TO THE MIDDLE OF THE GEAR AND EXTENDS TO THE EDGE HAD COME OFF. THIS PIECE WAS LOCATED INSIDE THE MAGNETO. UPON FURTHER INSP, THE MAGNESDR 2012FA0000109Distributor Gear · damagedPILOT REPORTED A NORMAL RUN-UP BEFORE TAKEOFF. DURING CLIMB-OUT POWER LOSS WAS EXPERIENCED. ON LANDING ANOTHER RUN UP SHOWED THE RT MAGNETO WAS INOPERATIVE. REMOVED THE RT MAGNETO AND FOUND THE PLASTIC DISTRIBUTOR GEAR WAS MISSING TEETH .2500 OF THE WAY AROSDR LC1R2012020292GTClamp · wornDURING AN ANNUAL INSP, THE DUAL MAGNETO WAS REMOVED TO FACILITATE REPLACEMENT OF A LEAKY MOUNTING GASKET. WHEN REMOVED IT WAS NOTICED THAT THE UPPER MOUNTING CLAMP, HAD WORN INTO THE UPPER MAG BASE FLANGE BY GREATER THAN .020". THE NUT SECURING THE MOUNTINGSDR CA120209005Distributor Blk · chafed(CAN) DISTRIBUTOR BLOCK FOUND WITH BUSHING WORN, CAUSING CHAFING ON DISTRIBUTOR BLOCK SPARK PINS. NEW DISTRIBUTOR BLOCK, PN:10-391586 INSTALLED. NEW GEAR, PN:10-349237 INSTALLED. MAGNETO RETURNED TO SERVICE.SDR 2012FA0000106Washer · looseDURING A 500 HR INSPECTION, IT WAS DISCOVERED THAT THE OIL SEAL WASHER IN A MAGNETO HAD MOVED OUT ON THE SHAFT AND WAS HOLDING THE IMPULSE COUPLING PAWLS IN RUNNING POSITION, CAUSING ADVANCED TIMING FOR START. AT 15 HRS AFTER 500 HR INSPECTION, CONDITION OCCSDR 2012FA0000069Capacitor · failedINSTALLED NEW CAPACITOR AS PART ON 500 HR INSPECTION ON 1/20/2012. ON FIST FLIGHT DATE 1/21/2012 CUSTOMER SAID HE HAD LOSS OF POWER WITH LOOPING RPM APPROXIMATELY 45 MINUTES INTO FLIGHT. THIS RESULTED IN UNSCHEDULED LANDING. INVESTIGATION FOUND THAT THE NYLSDR 2012FA0000100Distributor Gear · failedCREW REPORTED SEVERE ENGINE VIBRATION DURING TAKEOFF. QUICK INSPECTION ON GROUND REVEALED THAT LT WAS INOPERATIVE. OPERATOR DECIDED TO REPLACE MAGNETO WITH A BRAND NEW ONE. DURING THE DISASSEMBLING OF THE MAGNETO THE DISTRIBUTOR GEAR`S FAILURE WERE FOUND . SDR 2012FA0000101Distributor Gear · failedCREW REPORTED SEVERE ENGINE VIBRATION AND EGT RAISED AT THE SAME TIME IN CYLINDER NR 3. QUICK INSPECTION ON GROUND REVEALED THAT RT MAGNETO IS INOPERATIVE. OPERATOR DECIDED TO REPLACE MAGNETO WITH A BRAND NEW ONE. AFTER REPLACEMENT WAS ACCOMPLISHED, PERFORMSDR CA120204002Magneto · failed(CAN) PILOT REPORTED AN UNCOMMANDED THROTTLE INCREASE IN FLIGHT. MAGNETO REPLACED.SDR 2012FA0000012Rotor · looseFOUND DURING A 500HR MAG AND IMPULSE COUPLING INSPECTION, A DEFECTIVE DISTRIBUTOR GEAR FINGER. THIS FINGER HAD WORKED LOOSE FROM ITS PLASTIC SEAT ALLOWING SOME MOVEMENT BOTH SIDE TO SIDE AS WELL AS UP AND DOWN THE SHAFT. PARTS WERE STILL FUNCTIONING WHEN DISSDR 2011FA0000796Brushes · missingENGINE HAS BEEN HARD TO START FROM DATE OF INSTALL. DURING 500 HR MAGNETO INSPECTION BOTH DISTRIBUTOR GEARS WERE MISSING BRUSHES (CONTACTS) & SPRINGS. HAVE GONE THROUGH TROUBLESHOOTING BECAUSE OF THE STARTING ISSUE. IT IS OUR CONCLUSION THAT THE BRUSHES WERSDR CA111215005Distributor Blk · cracked(CAN) FACTORY DISTIBUTOR BLOCK FOUND CARCKED AT THE BUSHING ON A 500 HR INSPECTION. THIS IS THE FIRST INSPECTION SINCE MAGNETO WAS REBUILT BY THE FACTORY.SDR CA120209003Points · failed(CAN) BREAKER POINT POPPED MAGNETO.SDR CA120126014Bearing · worn(CAN) MAGNETO WAS REMOVED FOR 500 HOUR INSPECTION. UPON REMOVAL, CUSTOMER NOTICED ROTATING MAGNET FELT ROUGH WHEN SPUN BY HAND. WE RECEIVED AND INSPECTED THE MAGNETO AND FOUND END PLAY BETWEEN THE BEARINGS. THE DRIVE END BEARING HAD PITTING AND DAMAGE ON THSDR CA111214010Bearing · broken(CAN) DURING REMOVAL OF THE LT MAGNETO FOR INSPECTION, THE BEARING IN THE GEAR RETAINER ASSEMBLY WAS FOUND TO HAVE COME APART INTO SEVERAL PIECES. BEARING REPLACED.SDR CA111208017Magneto · failed(CAN) PILOT NOTED A SUDDEN YAW MOVEMENT IN FLIGHT AND MECHANICAL NOISE. MAGNETO R/H WAS INSPECTED AND FOUND TO HAVE A BROKEN TOOTH INSIDE. MAGNET REPALCED.SDR CA111116012Magneto · leaking(CAN) MAGNETO WAS O/H AND LEAKED 25 HRS AFTER INSTALL. WARRANTY WORK WAS CARRIED OUT. THIS INSTALL WAS 56 HOURS WITH SIMILAR PROBLEM. NEW O/H DEEMED NECESSARY DUE TO IMPROPER ASSEMBLY AND DAMAGE.SDR 2011FA0000728Distributor Gear · brokenTHIS MAGNETO HAD UNDERGONE A 500 HOUR INSP PRIOR TO FAILURE OF THE COMPONENT SOME 100 TO 150 OPERATING HOURS LATER (AFTER INSPECTION). THIS MAGNETO WAS INSPECTED IAW THE SYSTEM SUPPORT MANUAL. THE MAGNETO WAS OPENED AND THE DISTRIBUTOR GEAR WAS FOUND WITH SEVSDR CA120111005Electrode · loose(CAN) MAGNETO WAS RECEIVED FOR 500 HR INSPECTION. WHEN DISASSEMBLED THE BRASS ELECTRODE ON THE DISTRIBUTOR GEAR WAS FOUND LOOSE. TOTAL HRS ON THIS ELECTRO SYSTEMS MFG PART ARE UNKOWN BUT IT APPEARS TO HAVE A `BATCH CODE` OF 45 ENGRAVED INTO THE NYLON GEAR. SDR CA111116011Distributor Blk · failed(CAN) MAGNETO NOT FUNCTIONING AFTER ENGINE START. DISASSEMBLED MAG, NOTED DISTRIBUTOR BLOCK BURNED AND MELTED. MAGNETO FILLED WITH YELLOW POWDER RESIDUE. EVIDENCE OF ELECTRICAL ARCING BETWEEN COIL AND DISTRIBUTOR BLOCK. NOTED CARBON BRUSH K3215 APPEARED NORMSDR CA111019018Brushes · missing(CAN) MAG WAS REMOVED FROM ENGINE DUE TO PROP STRIKE INSPECTION. A 500 HR INSP WAS PERFORMED ON THE MAG DUE TO THE PROP STRIKE. WHEN THE MAG WAS DISASSEMBLED THE CARBON BRUSH WAS MISSING WITH NO EVIDENCE OF HAVING BEEN INSTALLED. THE ORIGINAL TORQUE SEAL WSDR CA120209002Bushing · worn(CAN) DISTRIBUTOR BLOCK FOUND WITH BUSHING WORN, CAUSING CHAFING ON DISTRIBUTOR BLOCK SPARK PINS. NEW MAGNETO INSTALLED (SN: F09CA093) (TC# 20120209002)SDR FPI2011F00008Impulse Coupling · failedDURING INVESTIGATIONOF REPORTED MAGNETO FAIL, REMOVED LT & RT MAGS AND FOUND LT MAGNETO IMPULSE COUPLING DRIVE PADS AND CAGE WERE BROKEN. DISASSEMBLED LT MAG AND FOUND ROTOR GEAR STRIPPED AND THE BREAKER END ROLLER BEARING HAD FAILED AND COME APART AND JAMED SDR CA111013006Case · cracked(CAN) DURING ANNUAL INSPECTION, RT MAGNETO CASE FOUND CRACKED. UPON FURTHER INVESTIGATION INTERNAL COIL WEDGE FOUND LOOSE, CAUSING DAMAGE TO INSIDE OF MAGNETO CASE AND STARTING CRACK. 366.1 HOURS SINCE O/H.SDR CA111012012Bearing · failed(CAN) WHEN CHECK MAGNETO TIMING AT 100HR INSPECTION TO ENGINE, I WAS NOT ABLE TO TIME MAGNETO ON LT SIDE. DECIDED TO PULL MAGNETO TO CHECK AND FOUND THAT THE SHAFT WOULD SHARPLY MOVE TO ONE SIDE WHEN TURNING WHICH CAUSE MAGNETO POINTS TO OPEN AND CLOSE AT THESDR CA111004002Magneto · failed(CAN) DURING PERFORMANCE OF MAGNETO 500 HOUR INSPECTION, THE ELECTRODE FINGER OF THE DISTRIBUTOR BLOCK WAS OBSERVED LOOSE WITH THE ABILITY TO MIGRATE UP AND DOWN THE SHAFT OF THE DISTRIBUTOR GEAR. THE DISTRIBUTOR CAP WAS OBSERVED WITH GROOVES AND PITTING. PRSDR CA110930007Magneto · inoperative(CAN) ACFT LANDED WITH SNAG OF PROP SURGING 300 RPM IN CRUISE. FOR TROUBLESHOOTING PURPOSES THE PROP GOVS WERE SWAPPED THEN RETURNED TO ORIGINAL POSITIONS, PROPS WERE SWAPPED THEN RETURNED TO ORIGINAL POSITIONS, WITH NO CHANGE TO THE SNAG. UPON INSPECTION OFSDR CA110928010Points · worn(CAN) ACFT EXPERIENCED ENGINE AND ROTOR OVERSPEED DUE TO LOSS OF SIGNAL FROM TACH POINTS. THE CAM FOLLOWER ON THE TACH POINTS HAS EXCESSIVE WEAR WHICH DID NOT ALLOW THE CAM TO ACTUATE THE POINTS. THE EXCESSIVE WEAR ON THE TACH POINT CAM FOLLOWER WAS DUE TO LSDR CA111003010Coil · malfunctioned(CAN) WEAK SPARK WHEN HOT. REPLACED WITH NEW COIL.
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