JASC 7421

Service difficulty reports · 703

Reports filed under 7421 · Spark Plug/Igniter, 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 = '7421'
  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 20000405SH017Spark Plug · failedENGINE HAD MOMENTARY ROUGHNESS DURING CRUISE. CHANGED ONE SPARK PLUG. INSTALLED NEW SPARK PLUGS. (X)Feb 15, 2000 · N478ER · Cessna 172RSDR 20000405SH015Spark Plug · failedDURING NORMAL CRUISE, ENGINE RAN ROUGH FOR SEVERAL SECONDS. THE SPARK PLUGS WERE SERVICED. (X)Feb 15, 2000 · N443ER · Cessna 172RSDR 20000405SH013Spark Plug · failedENGINE HAD MOMENTARY ROUGHNESS WHILE IN CRUISE FLIGHT. REPLACED ALL SPARK PLUGS. (X)Feb 15, 2000 · N434ER · Cessna 172RSDR 20000405SH012Spark Plug · malfunctionedENGINE HAD MOMENTARY ROUGHNESS DURING CRUISE. CHANGED ONE SPARK PLUG. (X)Feb 15, 2000 · N445ER · Cessna 172RSDR 20000707SH014Igniter · defectiveRECEIVED 3 EACH IGNITERS. THE 4TH IGNITER OPS CHECKED OK. BATCH NUMBER UNKNOWN. THE IGNITER USED NORMALLY IS INSTALLED IN P&W 305 SERIES ENGINES. (PN 34682). (X)Feb 9, 2000SDR 20000406SH057Ignitor · failedRECEIVED 3 EACH IGNITORS FROM SUPPLY. THE 4TH IGNITOR OPS CHECKED OK. BATCH NUMBER UNKNOWN. THE IGNITOR USED NORMALLY IS INSTALLED ON P&W 305 SERIES ENGINES. P/N 34682. (X)Feb 9, 2000SDR 20000707SH013Igniter · failedRECEIVED 2 EACH IGNITERS. THE THIRD IGNITER OPS CHECKED OK. BATCH NUMBER UNKNOWN. THE IGNITER USED NORMALLY IS INSTALLED IN PWA 305 SERIES ENGINES. (P/N CH34682). (X)Jan 26, 2000SDR HEED065848H.E. Igniter · inoperativeBOTH PARTS WILL NOT DISCHARGE (INOPERATIVE). REPLACED UNIT.Jan 24, 2000 · N89H · Skrsky S76CSDR HEED065834Igniter · errodedERODED AND FIRES INTERMITTENTLY. REPLACED UNIT.Jan 24, 2000 · N89H · Skrsky S76CSDR A6WA0000004Ignitor · crackedNR 1 ENGINE COMBUSTOR OUTBOARD IGNITOR BASE HAS CRACKED IN WELD, NEED DYE PENETRANT TO VERIFY LENGTH FOR SERVICEABILITY. C/W PT INSPECTION PER ENGINE MM AND AWAC NDT SPEC. FOUND TWO CRACKS 180 DEGREES APART IN IGNITOR BOSS, 1 CRACK = .9 INCH, OTHER = .6 INCHJan 6, 2000 · N292UE · Bag BAE146200ASDR 20000517SH026Igniter · damagedIGNITER HAD EXCESSIVE BURN IN SOME AREAS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)Dec 28, 1999 · N901CF · Doug MD900SDR HEED065810Igniter · failedIGNITER WILLNOT OPERATE. REPLACED UNIT.Dec 21, 1999 · N476X · Skrsky S76CSDR HEED065795Igniter · failedIGNITER WILL NOT OPERATE. REPLACED UNIT.Dec 17, 1999 · N476X · Skrsky S76CSDR HEED065737Igniter · wornIGNITER HAS WORN TIP. REPLACED UNIT.Dec 15, 1999 · N476X · Skrsky S76CSDR HEED065706Igniter · crackedIGNITER - TIP EROSION ON S/N 3830 AND INSULATOR CRACKED ON S/N 3769.Dec 14, 1999 · N89H · Skrsky S76CSDR HEED065697Igniter · crackedIGNITER HAS CRACKED AND ERODED INSULATOR .Dec 14, 1999 · N89H · Skrsky S76CSDR 20000517SH027Igniter · damagedIGNITER HAD EXCESSIVE BURN IN SOME AREAS. (X)Dec 8, 1999 · N901CF · Doug MD900SDR HEEA065244Mount · crackedIGNITER MOUNT CRACKED.Nov 19, 1999 · N40466 · Snias AS350B2SDR 99ZZZX4139Spark Plug · mismanufacturedUPON INSPECTION OF PLUGS, FOUND PLUGS, 4 EACH, TO TEST WEAK AND NOT APPROPRIATE FOR INSTALLATION ON AIRCRAFT. NOTE: BY DOM AIR CARRIERS, ONE OF THE FOUR SPARK PLUGS HAD A RED DISCOLORATION AT BASE OF ELECTRODE AND CERAMIC. LOT NR 4G99.Sep 30, 1999 · N761PS · Cessna 210MSDR 99ZZZX4138Spark Plug · mismanufacturedINSTALLED NEW PLUGS IN ENGINE. PERFORMED RUN-UP. OPS OK. FOUR HOURS LATER, ENGINE HAD A 600 RPM DROP. REMOVED SPARK PLUGS, FOUND A PIECE OF WIRE AROUND CENTER ELECTRODE OF 3 PLUGS AND 4 OTHER PLUGS NOT FIRING VERY HOT ON PLUG TESTER. OPENED ANOTHER SET OF Sep 29, 1999 · N9163M · Cessna 210MSDR 99ZZZX4137Spark Plug · mismanufacturedSPARK PLUGS WERE REPLACED BECAUSE OF WEAR. UPON INSPECTION OF NEW PLUGS, FOUND WIRE WRAPPED AROUND CENTER ELECTRODE ON TWO OF THE NEW PLUGS (WHICH GROUNDED IT OUT) AND ANOTHER SIX WOULD NOT TEST GOOD IAW CHAMPION TEST PROCEDURES. OBTAINED ANOTHER NEW SET OFSep 29, 1999 · N9163M · Cessna 210MSDR 2000ZZZX149Igniter · inoperativeIGNITER INOPERATIVE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Sep 28, 1999 · N135SJ · Urocop EC135P1SDR 2000ZZZX148Igniter · inoperativeIGNITER INOPERATIVE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Sep 25, 1999 · N135SJ · Urocop EC135P1SDR UIEA9975Ignitor · erodedFLT 2087 - ANC-KIX - DURING DESCENT THROUGH 4000 FT, NR 1 ENGINE FLAMED OUT. FLIGHT CRWE DID NOT ATTEMPT TO RE-START ENGINE. AIRCRAFT LANDING AT KIX UNEVENTFUL. MAINTENANCE PERFORMED TROUBLESHOOTING AS PER MM 71-00-42. NO FAULTS FOUND. BOTH IGNITERS WERE Sep 16, 1999 · N523MC · Boeing 7472D7BSDR CA990817025Igniter · failed(CAN) ROTORCRAFT WOULD NOT START. PROBLEM WAS WITH FAULTY IGNITER PLUG.Aug 6, 1999 · Bell 206LSDR HEEA063411Igniter · wornTIP OF IGNITER WORN. REPLACED WITH SERVICEABLE PART.Jul 29, 1999 · N40466 · Snias AS350B2SDR HEEA063410Igniter Plug · wornIGNITER SHOWS WEAR, BURNED, AND SIGNS OF ARCING. REPLACED WITH SERVICEABLE PART.Jul 29, 1999 · N40466 · Snias AS350B2SDR CA990728071Glow Plug · failed(CAN) DURING GLOW PLUG ROUTINE TEST, THE INBOARD PLUG WAS FOUND TO BE DEAD. SUBMITTER STATED THIS IS THE 4TH PLUG FROM BATCH 3B98 THAT HAS FAILED ALL WITH ONLY 100 HOURS.Jul 12, 1999 · Dhav DHC6300SDR CA990223018Glow Plug · missing(CAN) DURING ROUTINE INSPECTION, THE ELEMENT WAS FOUND MISSING ON THE LEFT HAND GLOW PLUG. THE ENGINE WAS INSPECTED FOR DAMAGE. A NEW GLOW PLUG WAS INSTALLED AND THE AIRCRAFT WAS RETURNED TO SERVICE.Feb 12, 1999 · Dhav DHC6300SDR 99ZZZX873Igniter · damagedIGNITERS WERE REMOVED FOR INSPECTION AND CENTER ELECTRODE APPEARED TO BE MISSING ON ONE OF THE IGNITERS. FURTHER INVESTIGATION SHOWED THAT WHEN LEAD WAS REMOVED FROM IGNITER, THE CENTER ELECTRODE WAS LOOSE INSIDE THE IGNITER AND PULLED PARTIALLY OUT CAUSING TJan 22, 1999 · N37201 · Cessna 550SDR REXA98120Ignitor · malfunctionedRIGHT ENGINE FAILED SHORTLY AFTER TAKEOFF. NO ABNORMAL INDICATIONS. PERFORMED BORESCOPE INSPECTION OF RIGHT ENGINE COMPRESSOR AND HOT SECTION. NO DEFECTS NOTED. REMOVED AND REPLACED INBOARD AND OUTBOARD IGNITOR PLUGS. (M)Dec 23, 1998 · N369PX · Saab 340BSDR 99ZZZX2866Igniter Plug · wornIGNITER PLUG WORN. REMOVED AND REPLACED.Dec 18, 1998 · N317MC · Bolkms BK117C1SDR 99ZZZX6Igniter · damagedDURING PHASE B INSPECTION, FOUND LEFT ENGINE INBOARD IGNITER CENTER ELECTRODE LOOSE IN IGNITER BODY. ELECTRODE IS FREE TO MOVE IN AND OUT IGNITER BODY APROXIMATELY .3125 INCH. IGNITER HAS NORMAL WEAR AND NO OTHER APPARENT DAMAGE.Dec 7, 1998 · N31RC · Cessna 560CESSNASDR 99ZZZX215Igniter · malfunctionedIGNITER SLOW TO FIRE ON COLD MORNINGS. REMOVED AND REPLACED.Dec 7, 1998 · N369AW · Hughes 369DSDR 98ZZZX4448Spark Plug · mismanufacturedSPARK PLUGS WILL NOT FIRE (TESTED IN AIRCRAFT AND PLUG TESTER). SOME ARE INTERMITTENT, BREAKING DOWN UNDER PRESSURE. OUT OF 40 PLUGS PURCHASED, 24 WERE REPLACED WITH ANOTHER BRAND IN ONE AIRCRAFT WITH PERFECT RUNNING ENGINE AFTER INSTALLATION. THE OTHER AIRNov 8, 1998SDR 98ZZZX4447Spark Plug · mismanufacturedSPARK PLUGS WILL NOT FIRE (TESTED IN AIRCRAFT AND PLUG TESTER). SOME ARE INTERMITTENT, BREAKING DOWN UNDER PRESSURE. OUT OF 40 PLUGS PURCHASED, 24 WERE REPLACED WITH ANOTHER BRAND IN ONE AIRCRAFT WITH PERFECT RUNNING ENGINE AFTER INSTALLATION. THE OTHER AIRNov 8, 1998SDR HCMA0000227Igniter · wornIGNITER IS WORN BEYOND LIMITS. (X)Sep 22, 1998 · N995BH · Snias AS350B2SDR 98ZZZX3678Spark Plug · failedDURING THE COURSE OF AN ANNUAL INSPECTION, ALL BOTTOM PLUGS WERE FOUND TO HAVE CENTER ELECTRODE FAILURE. ALL CENTER ELECTRODES WERE FOUND WEAKENED AT THE CERAMIC AND BENT OVER TOWARD THE GROUND. SUBMITTER STATED CAUSE IS UNDETERMINED.Sep 16, 1998 · N991CC · Mooney M20JSDR QXEA9801271Ignitor Plug · malfunctionNR 2 ENGINE WOULD NOT START. FUEL SMELL NOTED INSIDE CABIN. REPLACED ENGINE IGNITORS. ENGINE OPERATES AND STARTS NORMALLY. NO FURTHER SMELL NOTED IN THE CABIN.Sep 7, 1998 · N830PH · Dhav DHC8102SDR AU980930Spark Plug · damaged(AUS) NR 1 CYLINDER SPARK PLUGS (2 OFF) DAMAGED BY FOD. CYLINDER AND PISTON ALSO CONTAINED SMALL DENTS. FOD WAS FOUND TO BE A MISSING BLANKING PLUG FROM THE CYLINDER PRIMER POSITION. THE PLUG WAS FINALLY LOCATED IN THE NR 2 CYLINDER INDUCTION TUBE.Jul 19, 1998 · Piper PA28140SDR HEEA0015154Igniter · inoperativeVSI RELEASE RELAY DOES NOT WORK, AND DIODE IS BURNED.Jul 1, 1998 · N5014Y · Bell 206L1SDR CA980908006Spark Plug · cracked(CAN) WHILE DOING CIRCUITS, THE ENGINE BEGAN TO RUN ROUGH WITH PARTIAL POWER LOSS. THE AIRCRAFT LANDED AND POST-FLIGHT INSPECTION FOUND NR 3 CYLINDER HAD 2 DEAD SPARK PLUGS AND NR 4 CYLINDER HAD A SPARK PLUG WITH BROKEN CERAMIC. ALL THE ENGINE SPARK PLUGS WEJun 9, 1998 · Cessna 172NSDR AU980578Spark Plug · failed(AUS) NR 3 CYLINDER TOP SPARK PLUG CENTER ELECTRODE CERAMIC BROKEN. NR 3 CYLINDER LOWER SPARK PLUG FOULED.Apr 15, 1998 · Piper PA28161SDR CA980415017Igniter · failed(CAN) DURING START, THE RIGHT HAND CIRCUIT BREAKER FOR THE IGNITION EXCITER TRIPPED REPEATEDLY. THE EXCITER WAS REPLACED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.Apr 6, 1998 · Beech 1900DSDR CA980415016Igniter · failed(CAN) DURING NORMAL START, THE NR 1 ENGINE FAILED TO IGNITE. MAINTENANCE REPLACED THE LEFT HAND IGNITION EXCITER AND THE AIRCRAFT WAS REPLEASED FOR SERVICE.Apr 6, 1998 · Beech 1900DSDR CA980415015Igniter · failed(CAN) DURING START ATTEMPT, THE NR 2 ENGINE FAILED TO IGNITE. MAINTENANCE FOUND THE RIGHT HAND IGNITION EXCITER PLUG WAS FAULTY. THE EXCITER WAS REPLACED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.Apr 6, 1998 · Beech 1900DSDR 98ZZZX1337Spark Plug · delaminatedTHE SIDE MOUNTED GROUND ELECTRODE SHOWS SIGNS OF DELAMINATION OR END SPLITS. PREVIOUS MDR SUBMITTED AND WRITTEN IN ALERT 230 SEPT 1997.Mar 25, 1998 · N677PC · Cessna P210NSDR 99ZZZX10Igniter · damagedREMOVED IGNITER FOR PHASE 4 INSPECTION. DETERMINED CENTER ELECRTRODE MISSING. SUBMITTER STATED THIS IS SUPPOSED TO BE NEW STYLE PLUG, TO PREVENT THIS. REPLACED PLUG WITH NEW. BORESCOPED ENGINE.Mar 19, 1998 · N318QS · Cessna 560CESSNASDR ASOA98023Igniters · malfunctionedIN CRUISE FLIGHT CSG-ATL, WITH CONTINUOUS RELIGHT ON, RIGHT ENGINE TORQUE DROPPED TO ZERO FOR 8-10 SECONDS. ENGINE RELIT ON ITS OWN AND CONTINUED FOR THE REMAINDER OF THE FLIGHT. UPON LANDING, CONTINUOUS RELIGHT COULD NOT BE EXTINGUISHED. ATL MAINTENANCE BOMar 6, 1998 · N635AS · Aerosp ATR72212SDR TAOA029811Seal · missingDCA/LGA - FLT 6411 - AT 3,000 FEET ON DESCENT, NR 1 ENGINE FIRE WARNING LIGHT ILLUMINATED AND COCKPIT BELL SOUNDED. RETARDED THROTTLE AND LIGHT EXTINGUISHED. FOUND CSD EJECTOR PIPE GASKET AND 8TH STAGE CHECK VALVE GASKET BLOWN, REPLACED GASKETS. FOUND SEAL Feb 26, 1998 · N913TS · Boeing 727254
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