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 99ZZZX232Bearing · failedBEARING CAGE DEBRIS FOUND IN THE OIL SUCTION SCREEN DURING 100-HOUR INSP. RT MAGNETO REMOVED AND THE MAG CUSHION DRIVE ADAPTER BEARING CAGE WAS FOUND TO HAVE COME APART AND COLLECTED IN THE OIL SUMP. LT MAG BEARING CAGE WAS FOUND CRACKED ALONG THE AREA WHERSDR 99ZZZX70Magneto · crackedMAGNETO CRACKED. SUBMITTER STATED CRACKS MAY HAVE OCCURRED DURING DISASSEMBLY OF DEFECTIVE PART.SDR 99ZZZX423Washer · wornUPON MAGNETO AD NOTE INSPECTION NOTED: SCREW RETAINING CAM LOOSE ON ROTATING MAGNET. WASHER UNDER SCREW HAD ALMOST WORN AWAY SCREW HEAD. INSTALLED NEW SCREW AND WASHER.SDR CA981216030Magneto · failed(CAN) ENGINE SHUTDOWN, WOULD NOT RESTART. INVESTIGATION FOUND THE LEFT HAND MAGNETO DEAD.SDR 99ZZZX180Gear · brokenLEFT MAGNETO FAILED DURING PRE-TAKEOFF MAG CHECK. THREE TEETH ON LT MAG DRIVE GEAR MISSING. DURING REMOVAL OF OIL TANK, ACCESSORIES, AND ACCESSORY DRIVE CASE, ONE TOOTH WAS FOUND IN OIL TANK, TWO TEETH IN ACCY DRIVE CASE. BOTH MAGNETOS WITH DRIVE GEARS SENTSDR CA981202015Magneto · failed(CAN) PILOT REPORTED NR 2 ENGINE HARD TO START. SPARK PLUGS WERE REPLACED AND MAINTENANCE FOUND ALL MAGNETO SWITCHES IN THE ON POSITION, MAGS WERE TURNED OFF. IT IS ASSUMED THE SHUT-DOWN PROCEDURES WERE CUT SHORT. AIR CREWS WERE CAUTIONED ON DANGER OF LEAVISDR AU981554Bearing · failed(AUS) LEFT MAGNETO BEARING FAILED. METAL CONTAMINATION OF ENGINE OIL SYSTEM.SDR 99ZZZX592Magneto · wornTHE AIRCRAFT WAS FORCED TO MAKE AN OFF-AIRPORT GEAR UP LANDING IN A FIELD DUE TO A LOSS OF ENGINE POWER. SUBSEQUENT INVESTIGATION REVEALED THE ENGINE MAGNETO HAD EXCESSIVE WEAR ON THE CAM. THIS CAUSED IMPROPER POINT GAP CAUSING MAGNETO TO MALFUNCTION AND CRESDR 98ZZZX4614Magneto · crackedFOUND DISTRIBUTOR BLOCK CRACKED DURING A 500-HOUR INSPECTION. CRACK RADIATES FROM BEARING OUTWARD APPROXIMATELY .25 INCH. APPEARS TO COME FROM STRESS, IN THAT AREA.SDR 99ZZZX945Magneto · failedDURING CRUISE FLIGHT, THE ENGINE FAILED TO PRODUCE POWER DUE TO A TOTAL FAILURE OF THE DUAL MAGNETO. POST-ACCIDENT INVESTIGATION REVEALED BOTH THE LEFT AND RIGHT IGNITION POINTS OF THE BENDIX D4LN-300 DUAL MAGNETO WERE NOT OPENING. THE PLASTIC CAM FOLLOWERS SDR 98ZZZX4776Bearing · failedPILOT REPORTED NORMAL MAG CHECK PRIOR TO 10-MINUTE FLIGHT. AFTER LANDING NOTICED OIL DRIPPING FROM COWL. FOUND LT MAGNETO WITH LOWER MOUNTING EAR BROKEN OFF AND MAG PULLED AWAY FROM ACCESSORY CASE. THE MAGNETO CASE WAS GAPPED OPEN AND ONLY 2 SCREWS REMAINEDSDR 99ZZZX273Bearing · failedTHE MAGNETO DRIVE ADAPTER BEARING CAGE FAILED AND WAS DISCOVERED DURING A 100-HOUR INSPECTION. DEBRIS WAS REMOVED FROM THE OIL SUMP. NO FURTHER DAMAGE WAS NOTED IN THE OIL PUMP OR THE REST OF THE ENGINE.SDR AU981462Magneto · damaged(AUS) RIGHT ENGINE RT MAGNETO CONTACT POINTS FAILED.SDR 98ZZZX4798Magneto · damagedPILOT REPORTED HIGH OIL TEMPERATURE. OIL FILTER REMOVED AND FOUND METAL PARTICLE CONTAMINATION. MAGNETOS REMOVED AND FOUND MAGNETO IMPULSE COUPLING PIN BROKEN. METAL PARTICLES CONTAMINATED ENGINE. ENGINE REMOVED TO REPAIR OR OVERHAUL.SDR 98ZZZX4660Condenser · failedCONDENSER FAILED 35 HOURS AFTER OVERHAUL. THIS CAUSED THE POINTS TO BURN RESULTING IN EXCESSIVE MAGNETO DROP.SDR 98ZZZX4657Condenser · failedCONDENSER FAILED 200 HOURS AFTER OVERHAUL. THIS CAUSED THE POINTS TO BURN RESULTING IN EXCESSIVE MAGNETO DROP. DATE CODE: 97-31.SDR 98ZZZX4656Condenser · failedCONDENSER FAILED 20.0 HOURS AFTER OVERHAUL. THIS CAUSED THE POINTS TO BURN RESULTING IN EXCESSIVE MAGNETO DROP. DATE CODE: 96-47.SDR 98ZZZX4797Magneto · brokenDURING RUN-UP, PILOT REPORTED LEFT ENGINE WOULD NOT START. LEFT MAGNETO REMOVED AND FOUND MAGNETO COUPLING PIN BROKEN AND CRANKSHAFT IDLER GEAR ASSY, P/N 71668, BROKEN. GEAR ASSEMBLY REPLACED.SDR 98ZZZX4491Magneto · wornNEW MAGNETO, 250 HOURS SINCE NEW. PAWLS WORN AT RIVET ATTACHMENT SEVERELY. SUBMITTER STATED CAUSE AS POSSIBLE SOFT METAL.SDR CA981109044Bearing · failed(CAN) THE ENGINE DID NOT START NORMALLY. THE LEFT MAGNETO WAS REMOVED FOR INSPECTION AND THE GEAR BALL BEARINGS FELL INTO THE OIL SUMP. THE SUMP WAS OPENED AND THE BALL BEARING CASE WAS FOUND SHREDDED, POSSIBLY BY THE GEAR. IT WAS CONCLUDED THAT THE BEARING SDR CA981202017Woodruff Key · worn(CAN) THE WOODRUFF KEY FOUND WORN CAUSING A TIMING PROBLEM WITH THE LEFT MAGNETO.SDR 98ZZZX4669Impulse Coupling · failedEXCESSIVE WEAR AT ATTACH POINT. ONE PAWL OUT OF LIMITS. THE OTHER WAS JUST AT LIMITS. LEFT MAG, ONE ENGINE.SDR 98ZZZX4222Block · damagedDURING INVESTIGATION OF UNUSUAL OPERATION OF INSIGHT GRAPHIC ENGINE MONITOR, DISASSEMBLED RIGHT MAGNETO AND FOUND DISTRIBUTOR GEAR TERMINAL PARTIALLY WORN AWAY AND INSIDE DIAMETER OF DISTRIBUTOR BLOCK SCRAPPED AND GROOVED. OBTAINED NEW OEM BLOCK AND GEAR, OEMSDR 98ZZZX4266Dist Block · looseDURING 500-HOUR INSPECTION, DISTRIBUTOR GEAR ELECTRODE FINGER WAS FOUND LOOSE.SDR PNSA981002Magneto · malfunctionedRT MAGNETO HAD EXCESSIVE RPM DROP DURING ENGINE RUN UP PRIOR TO TAKEOFF. RETURNED TO GATE. REPLACED MAGNETO, OPERATIONAL CHECK OK.SDR CA981207011Magneto · broken coil(CAN) PILOT RETURNED TO DOCK AFTER RUN-UP INDICATED THE RIGHT HAND MAGNETO WAS DEAD. INVESTIGATION REVEALED THE END OF THE ROTOR WITH CONTACT WITH THE COIL WAS BROKEN OFF AND THE COIL DAMAGED. THE MAGNETO WAS REPLACED.SDR AU981297Capacitor · faulty(AUS) MAGNETO CAPACITORS FAULTY. THE EXTERNAL ELECTRICAL LEAD BREAKS AT THE SOLDER JOINT. SUBMITTER STATED THIS IS A FLEET WIDE PROBLEM.SDR 98ZZZX4659Condenser · failedCONDENSER FAILED 128 HOURS AFTER OVERHAUL. THIS CAUSED THE POINTS TO BURN RESULTING IN EXCESSIVE MAGNETO DROP.SDR 98ZZZX4658Condenser · failedCONDENSER FAILED 120 HOURS AFTER OVERHAUL. THIS CAUSED THE POINTS TO BURN RESULTING IN EXCESSIVE MAGNETO DROP.SDR 98ZZZX4654Impulse Coupling · wornPART REMOVED UNDER A COMPANY INSPECTION PROGRAM OF 300 HOURS/INSPECTION REQUIREMENT. INSPECTION SHOWS POSSIBLE UNEVEN WEAR IN PAWLS AT PINS, BUT NEITHER PAWL WAS AT THIS TIME BEYOND LIMITS. PART RETURNED FOR FURTHER ANALYSIS AND NEW UNIT INSTALLED ON MAGNETOSDR CA980930023Magneto · malfunctioned(CAN) LEFT HAND MAGNETO HAD ERRATIC MAG DROP.SDR AU981194Rotor · broken(AUS) MAGNETO ROTOR BROKEN INTO TWO PIECES. PART TC: 1,900.SDR 98ZZZX3691Magneto · inoperativeFOUND RT MAGNETO INOPERATIVE. ROTATES, BUT DOES NOT PRODUCE HIGH VOLTAGE SPARK. TIS: 38.2 HOURS SINCE NEW.SDR 98ZZZX4048Magneto · failedLEFT MAG FAILED. RIGHT ENGINE FAILED AT LIFT-OFF. LEFT MAG REMOVED AND DISASSEMBLED. FOUND DISTRIBUTOR BLOCK BUSHING LOOSE IN BLOCK P/N 10-391586. REPLACED BLOCK AND GEAR OPS CHECK OK.SDR 99ZZZX2726Bearing · failedOPERATORS OF AVCO LYCOMING O-540-E4C5 ENGINES FITTED TO BRITTEN NORMAN ISLANDER AIRCRAFT IN GUYANA HAVE BEEN EXPERIENCING PREMATURE FAILURE OF THE MAGNETO DRIVE GEAR BEARINGS. THERE HAVE BEEN INSTANCES OF REPORTED HARD STARTING. ON INVESTIGATION, THE BEARINGSDR AU981427Gear · damaged(AUS) MAGNETO DISTRIBUTOR GEAR DAMAGED. EIGHT CONSECUTIVE TEETH STRIPPED.SDR 98ZZZX3868Magneto · wornROUTINE CHECK OF IMPULSE COUPLING REVEALED BOTH PAWLS EXCEED NORMAL GAP BETWEEN PAWLS AND PLATE BY AN EXTREME AMOUNT. ALSO, ONE PAWL PIN WAS OBVIOUSLY BENT SO THE HEAD TIPPED OUTBOARD FROM CENTER. THIS PART HAD BEEN INSPECTED 100 HOURS PRIOR AND FOUND TO BE SDR CA980908031Magneto · cracked(CAN) ENGINE RECEIVED ON TRANSPORT FROM OVERHAULER. PRE-INSTALLATION INSPECTION FOUND THE TOP AND BOTTOM MAGNETO LUGS CRACKED. IT APPEARS THE CARGO STRAPS WERE PASSED OVER THE MAGNETO WHEN THE ENGINE WAS SECURED FOR TRANSPORT. SUBMITTER STATED IMPROPER POSISDR 99ZZZX104Magneto · misinstalledMAGNETO INTERNALLY TIMED 180 DEGREES OUT.SDR 99ZZZX103Magneto · misinstalledMAGNETO INTERNALLY TIMED 180 DEGREES OUT.SDR 98ZZZX4655Condenser · failedCONDENSER FAILED 124 HOURS AFTER OVERHAUL. THIS CAUSED THE POINTS TO BURN RESULTING IN EXCESSIVE MAGNETO DROP. DATE CODE: 84-47.SDR 98ZZZX3473Magneto · mismanufacturedCAM ASSY P/N 10-400167-13, HAS WOODRUFF KEY SLOT IN THE WRONG LOCATION. IT CAUSED MAGNETO TO HAVE ZERO DEGREE LAG. IMPULSE WOULD FIRE AT 23 DEGREES BTC. COMPONENT P/N LW-785126-105-3000.SDR 98ZZZX3427Magnet · crackedMAGNETO WAS DISASSEMBLED DUE TO BAD POINTS. INSPECTION OF ROTATING MAGNET SHOWED CRACKS ON THE BACK FACE. MAGNTO WAS REPLACED WITH NEW.SDR CA980922006Magneto · failed(CAN) AFTER LANDING A MAGNETO CHECK FOUND THE LEFT HAND MAGNETO DEAD. THE MAGNETO WAS REPLACED. THE CAUSE OF THE FAULT WAS NOT DETERMINED.SDR AU981074Gear · stripped(AUS) RIGHT ENGINE MAGNETO DISTRIBUTOR GEAR TEETH STRIPPED.SDR 98ZZZX3566Impulse Coupling · looseSUBMITTER FOUND IMPULSE COUPLING RETAINER NUT LOOSE ON SHAFT WITH COTTER PIN STILL IN PLACE. THE IMPULSE ASSY COULD BE PULLED FROM TAPERED SHAFT WITH ONLY SLIGHT PRESSURE. A BLUEING COMPOUND WAS APPLIED TO THE TAPERED SHAFT AND THE IMPULSE ASSY WAS RESEATED.SDR 98ZZZX3442Bearing · wornDURING ROUTINE INSPECTION OF THE AIRCRAFT, MAGNETO TO ENGINE TIME CHECK REVEALED 15 DEGREE DISCREPANCY. FURTHER INSPECTION FOUND MAGNETO CAMSHAFT LOOSE IN THE HOUSING. SUBMITTER STATES EXTREME WEAR OF CAM BEARING DUE TO INADEQUATE LUBRICATION OF BEARING DURISDR 98ZZZX3441Bearing · wornDURING ROUTINE INSPECTION OF THE AIRCRAFT MAGNETO TO ENGINE TIME CHECK REVEALED 15 DEGREE DISCREPANCY. FURTHER INSPECTION FOUND MAGNETO CAMSHAFT LOOSE IN THE HOUSING. SUBMITTER STATES EXTREME WEAR OF CAM BEARING DUE TO INADEQUATE LUBRICATION OF BEARING DURINSDR 98ZZZX3567Impulse · wornACCOMPLISHED INSPECTION OF MAG IMPULSE COUPLING AND FOUND EVIDENCE OF EXCESSIVE WEAR ON COILED SPRING ASSEMBLY. OBSERVED WEAR OF PAWL AT PIN LOCATION AND NOT MEETING CORRECT MEASUREMENT CRITERIA AS APPLIED UTILIZING SLIDE TOOL T-155 RIVET GAUGE.SDR 98ZZZX3028Impulse Coupling · wornREMOVED LEFT MAGNETO FOR INSPECTION. DURING PROCESS OF INSPECTING COUPLING ASSY, NOTICED THE COILED SPRING SHOWING SIGNS OF ABNORMAL WEAR NEAR THE CONNECTING PORTION OF SPRING TO THE POST OF HOUSING. SPRING IS WEARING ON CENTER POST OF PAWL ASSEMBLY. NO ABN
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