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 98ZZZX12Spark Plug · shortedUPON INSTALLING NEW SPARK PLUGS, THE ENGINE RAN ROUGH. WHEN INSPECTING THE SPARK PLUGS, THREE WERE FOUND MILLED IMPROPERLY AND SMALL SLIVERS OF METAL SHORTING THE CENTER ELECTRODE.Dec 10, 1997 · N4667Q · Cessna 210LSDR 98ZZZX898Spark Plug · failedAN EQUIVALENT AUTOMOTIVE SPARK PLUG WAS USED IN PLACE OF THE ENGINE MANUFACTURER-RECOMMENDED SPARK PLUG DUE TO LOCAL AVAILABILITY. AFTER APPROXIMATELY 25 HOURS, A ROUTINE INSPECTION CAUSED BOTH SPARK PLUGS TO BE REMOVED. THERE IS ONLY ONE SPARK PLUG PER CYLINov 27, 1997 · Amtr KITFOXSDR 97ZZZX5052Igniter · wornIGNITER PLUG WORN DOWN. REMOVED AND REPLACED.Oct 16, 1997 · N317MC · Bolkms BK117C1SDR HEEA0011380Ignitor · wornIGNOTOR WORN, INSULATOR BROKEN.Oct 9, 1997 · N8045T · Bell 214STSDR 97ZZZX4497Spark Plug · brokenENGINE RPM DROPPED TO APPROXIMATELY 2,000 RPM ON CLIMB-OUT. GROUND RUN-UP WAS NORMAL BEFORE AND AFTER FLIGHT AND DURING FIRST 200 FEET OF CLIMB OUT. INSPECTION OF INDUCTION, FUEL AND IGNITION SYSTEMS, REVEALED TWO AUBURN SR-87 AC PLUGS WITH BROKEN INSULATORSOct 8, 1997 · N3420T · Cessna 177SDR AU971557Spark Plug · fouled(AUS) ENGINE SPARK PLUG FOULED. THIS DEFECT WAS RECEIVED FROM THE AUF AND IS FOR INFORMATION ONLY.Sep 27, 1997SDR 97ZZZX4644Spark Plug · defectiveSUBMITTER REPORTS NEW CHAMPION SPARK PLUGS ARE BEING RECEIVED THAT ARE DEFECTIVE. DIFFERENT P/N'S FROM SEVERAL SHIPMENTS ARE FOUND TO BE WEAK, DISCOLORED OR WEAK WHEN TESTED. PLUGS WERE TESTED FROM ZERO TO 125 PSI WITH PROPER GAP. ESTIMATED DEFECTIVE QUANTISep 9, 1997SDR 97ZZZX3773Igniter Post · wornIGNITER POST WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. PART TOTAL CYCLES, 1,838.3.Jul 26, 1997 · N901CF · Doug MD900SDR 97ZZZX3772Igniter Post · wornIGNITER POST WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. PART TOTAL CYCLES, 1,838.2.Jul 26, 1997 · N901CF · Doug MD900SDR 97ZZZX3771Igniter Post · wornIGNITER POST WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. PART TOTAL CYCLES, 2,265.9.Jul 26, 1997 · N901CF · Doug MD900SDR 97ZZZX3770Igniter Post · wornIGNITION POST WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. PART TOTAL CYCLES, 2,265.9.Jul 26, 1997 · N901CF · Doug MD900SDR CA970728005Spark Plugs · faulty(CAN) DURING SPARK PLUGS CHECKS ON INSPECTIONS NUMEROUS PLUGS WERE FOUND WITH LOOSE SCREWS HOLDING THE SPRING AND RESISTOR IN THE TERMINAL END. IN SOME CASES WHEN THE LEAD WAS REMOVED THE SCREW, SPRING AND RESISTOR FELL OUT. ALSO SOME PLUGS HAD LOOSE CERAMIC IJul 16, 1997SDR 97ZZZX3683Spark Plug · fouledPILOT REPORTED INTERMITTENT ROUGH ENGINE OPERATION EN ROUTE. PILOT HAD FAILED TO LEAN THE ENGINE, CONSEQUENTLY, FOULING ALL 4 LOWER PLUGS. AN OFF-AIRPORT LANDING WAS MADE. NO DAMAGE TO AIRCRAFT. REPLACED LOWER PLUGS AND FLEW AIRCAFT BACK TO AIRPORT WITHOUTJul 7, 1997 · N68452 · Cessna 152SDR 97ZZZX3016Spark Plug · splitCHAMPION SPARK PLUG RHB325S SIDE ELECTRODE HAS APPEARANCE OF DELAMINATION, USAGE IN LYCOMING OR CONTINENTAL NO DIFFERENCE: 30 PLUS PLUGS THIS YEAR.Jun 25, 1997SDR 97ZZZX3519Spark Plugs · shortedANC - FLT 32 - RETURNED TO ANC DUE TO NR 3 ENGINE, NR 12 CYLINDER DOUBLE SHORTED SECONDARY. MAINTENANCE REPLACED BOTH SPARK PLUGS AND HIGH TENSION LEADS. AIRCRAFT RETURNED TO SERVICE. (X)Jun 24, 1997 · N4213X · Doug DC6ASDR HEEA0010173Igniter Plug · intermittentIGNITER PLUG FIRES INTERMITTENTLY.Jun 19, 1997 · N60951 · Snias AS350B2SDR CA970604003Spark Plug · broken(CAN) TWO HOURS FLIGHT TIME AFTER INSPECTION THE PORCELAIN PORTION OF THE SPARK PLUG, ON #6 CYLINDER BLEW COMPLETELY OUT. INTERNAL INSPECTION OF THE CYLINDER SHOWED NO DAMAGE. THE SPARK PLUG WAS REPLACED AND THE AIRCRAFT RETURNED TO SERVICE.May 20, 1997 · Piper PA31350SDR HAIHEEA9450Igniter · defectiveIGNITER ERRODED AND INSULATOR CRACKED.Apr 19, 1997 · N3897N · Bell 214STSDR AU971134Spark Plug · intermittent(AUS) SPARK PLUGS INTERMITTENT IN OPERATION.Apr 15, 1997SDR HEEA979003Igniter Plug · errodedIGNITER TIP ERRODED.Feb 10, 1997 · N6095S · Snias AS350B2SDR HEEA978967Igniter Plug · defectiveINTERMITTENT SPARKLE.Jan 29, 1997 · N4000L · Snias AS350B2SDR HEEA978966Igniter Plug · defectiveINTERMITTENT SPARKLE.Jan 29, 1997 · N4000L · Snias AS350B2SDR HCMA9655Ignitor · defectiveIGNITOR INOP.Aug 19, 1996 · N992BH · Snias AS350B2SDR CA970311042Ignitor · non function(CAN) DURING A 2000 HOUR INSPECTION THE LEFT HAND IGNITOR FOUND UNSERVICEABLE.Aug 10, 1996 · Snias AS350BSDR 96ZZZX4638Igniter · failedIGNITER INTERMITTENT, FOUND SEPARATED INTERNALLY. LESS THAN 160 HOURS ON IGNITER.Aug 8, 1996 · N781LF · Snias AS350BSDR 96ZZZX4639Igniter · failedIGNITER INTERMITTENT, FAILED INTERNALLY. 680 STARTS ON IGNITER.Aug 6, 1996 · N781LF · Snias AS350BSDR 96ZZZX4640Igniter · defectiveELECTRODE SLIDE OUT OF INSULATION OVER .25 INCH. CONCERN FOR INTERNAL FOD POTENTIAL.Aug 4, 1996 · N792LF · Snias AS350BSDR 96ZZZX3928Spark Plug · fouledWHILE FLYING, PILOT EXPERIENCED PARTIAL LOSS OF ENGINE RPM AND MADE A PRECAUTIONARY LANDING IN A FIELD. UPON INVESTIGATION, FOUND THE BOTTOM SPARK PLUG IN NR 4 CYLINDER WAS NOT GAPPED PROPERLY. A PIECE OF CARBON GOT STUCK BETWEEN THE ELECTRODES OF THE SPARK Jul 22, 1996 · N2416B · Piper PA38112SDR 96ZZZX3551Spark Plug · electrode looseNEW SPARK PLUG HAS DEFECT, SIDE ELECTRODE LOOSE.Jun 28, 1996 · N11174 · Cessna A185FSDR HEEA967465Ignitor · crackedIGNITOR IS CRACKED. (WORN AND CRACKED)Jun 21, 1996 · N5748M · Bell 214STSDR 96ZZZX3394Igniter · failedDURING ROUTINE MAINTENANCE, THE IGNITER FIRING TIP OF THE CENTER ELECTRODE WAS FOUND LOOSE. THE IGNITER IS AN EXTENDED LIFE IRIDIUM IGNITER. THIS WAS A NON-SERIALIZED IGNITER, BUT THE 'TST' INDICATES PREVIOUS SPECIAL TESTING FOR LOOSE CENTER ELECTRODE WAS COJun 4, 1996 · N523AC · Amd FALCON900SDR AU960853Spark Plug · wrong part(AUS) ENGINE HAD INCORRECT SPARK PLUGS FITTED - PERSONNEL/MAINTENANCE ERROR - UNAPPROVED PARTMay 19, 1996 · Piper PA34200TSDR 96ZZZX3176Igniter · tip wornIGNITER TIPS WORN. REPLACED 3 EACH. REMOVED AND REPLACED IGNITERS.May 8, 1996 · N365SJ · Aerosp SA365NSDR 96ZZZX3175Igniter · tip wornIGNITER TIPS WORN. REPLACED 3 EACH. REMOVED AND REPLACED IGNITERS.May 8, 1996 · N365SJ · Aerosp SA365NSDR 96ZZZX3174Igniter · tip wornIGNITER TIPS WORN. REPLACED 3 EACH. REMOVED AND REPLACED IGNITERS.May 8, 1996 · N365SJ · Aerosp SA365NSDR AU960459Ignitor Plug · worn(AUS) LH ENGINE 'A' AND 'B' SYSTEM IGNITION PLUGS WERE FOUND TO BE SEVERELY ERODED WITH EVIDENCE OF SPARK TRACKING THROUGH A CRACKIN THE CERAMIC INSULATOR OF THE 'B' SYSTEM PLUGMar 31, 1996SDR AU960240Spark Plug · fouled(AUS) BOTTOM SPARK PLUGS IN ENGINE FOULEDMar 1, 1996 · Cessna 152SDR C2XA96IA044Igniter · looseCRP - FLT NR 2590 - DURING CRUISE, THE PILOT REPORTED THAT THE LEFT ENGINE FIRE INDICATION ILLUMINATED. THE ORIGINAL FLIGHT PLAN WAS FROM IAH TO BRO, BUT THE AIRCRAFT DIVERTED AND LANDED AT CRP WITHOUT FURTHER INCIDENT. MAINTENANCE INSPECTED THE LEFT ENGINE Feb 6, 1996 · N17831 · Aerosp ATR42320SDR AU960164Spark Plug · faulty(AUS) SPARK PLUGS (6OFF) FAULTY - CENTRE ELECTRODE WAS BEYOND LIMITS FOR RECONDITIONING - NO1 CYLINDER TOP SPARK PLUG HAD TWO COPPERWASHERS FITTED - NO1 CYLINDER LOWER SPARK PLUG HAD CORE LEAKAGE -ENGINE HAD COMPLETED ONLY 38 HOURS SINCE OVERHAUL -PERSONNEL/MAFeb 5, 1996 · Piper PA28RT201SDR 96ZZZX466Spark Plug · splitFOUND 2 SPARK PLUGS WITH ROUND ELECTRODES SPLIT. SUBMITTER STATED MORE THAN 20 OF THE PART NUMBERS HAVE BEEN FOUND.Jan 15, 1996 · N11174 · Cessna 185FSDR 96ZZZX1495Igniter · wornIGNITER WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH 2 EACH NEW UNITS, CORRECTED PROBLEM.Nov 20, 1995 · N901CF · Doug MD900SDR CA951108002Igniter Plug · insert loose(CAN)PORCELAIN INSERT FELL OUT OF THE IGNITER PLUG AND JAMMED IN THE HIGH PRESSURE TURBINE. THE ENGINE WAS REPLACED AS IT WAS NEARING A HOT SECTION INSPECTION (HSI).Nov 3, 1995 · Dhav DHC8102SDR 95ZZZX6983Igniter · inopIGNITER INOP.Oct 28, 1995 · N20875 · Snias AS350BSDR 95ZZZX3858Plug · defectiveA PART 145 REPAIR STATION HAS REPORTED NUMEROUS OCCURRENCES OF CHAMPION RHB32S AND RHB36S SPARK PLUGS WITH SPLIT SIDE ELECTRODES. THE SIDE ELECTRODE IS MANUFACTURED WITH IRIDIUM MATERIAL. TIME IN SERVICE OF THE SPARK PLUGS IS USUALLY 200 TO 300 HOURS ALTHOUGJul 1, 1995SDR HEEA955024Igniter Plug · failedTIP WORN AND CORRODED, NO IGNITION.May 18, 1995 · N105WK · Bolkms BO105SSDR HEEA954943Ignitor · errodedTWO EACH IGNITOR PLUGS ERRODED.May 10, 1995 · N8045T · Bell 214STSDR EGRA9557Igniter Plug · defectiveENGINE IGNITER PLUG INOPERATIVE.Apr 27, 1995 · N116MB · Bolkms BK117A3SDR HEEA954673Ignitor · defectiveDURING ROUTINE INSPECTION NOTED LH IGNITER DID NOT FIRE.Apr 4, 1995 · N6095S · Snias AS350B2SDR F6LM9581He Igniter · defectiveIGNITER WOULD NOT FIRE, TESTED ON OTHER BOX STILL INOP. REPLACED HE IGNITER, OPS CHECKED OKAYFeb 27, 1995 · N6095T · Snias AS350B2SDR AALA950210Nozzle · brokenPAP - FLT 1292 - AFTER TAKEOFF PAP, DURING CLIMB-OUT AT 19,000 FEET A LOAD BANG WAS HEARD AND HAD A INDICATION OF FIRE ON THE NR 2 ENGINE. DISCHARGED NR 1 AND NR 2 FIRE BOTTLES, FIRE INDICATION EXTINGUISHED. RETURNED AND LANDED PAP WITHOUT INCIDENT. REPLACEFeb 6, 1995 · N33069 · Airbus A300B4605R
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