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.
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
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 2009F00093Igniter · crackedAIR CARRIER DISCOVERED THAT NEWLY PURCHASED IGNITERS WERE CRACKING AT HEX NUT DURING INSTALLATION. CRACKING OCCURED PRIOR TO REACHING CMM SPECIFIED TORQUE VALUE. AIR CARRIER COMMENTED THAT ON THREE SEPERATE OCCASIONS, IGNITOR ASSEMBLIES HAD CRACKED DURING INSTSDR UALA2009091002860Igniter · malfunctionedENG IGNITER L1 LEFT ENGINE FAILED TO IGNITE USING IGNITER 1. STATUS MSG01- NOT ACTIVE ENGINE START MODE DEPENDENT; IGNITION SYSTEM NR 1 (L ENG) FAILED TO LIGHT ENGINE. DB- ELECTRONIC ENGINE CONTROL (L ENG, CH B) MSG-7461491 INACTV ES MODE. REPLACED NR 1 ANSDR DL75E091456Igniter · faultyENG EGT FAILED TO RISE DURING START WITH IGNITION SW IN NR 1 POSITION. STARTED OK WITH IGNITION SWITCH IN BOTH. FWD TO MCO PER MEL 74-00-01A PLAC INSTALLED. REMOVED AND REPLACED RT ENG NR 1 IGNITER AND HARNESS PER AMM. OPS CHECK NORMAL MC AND PLACARD REMOVSDR UALA2009072802256Igniter · faultyNR 1 ENGINE HUNG START BEFORE STARTER CUTOUT. THRUST LEVER ADVANCE NOT ATTEMPTED. REPLACED NR 1 ENGINE LOWER IGNITER PLUG. IGNITION SYSTEM OPS CHECKED NORMAL. RAN ENGINE USING IGNITION SYSTEM 1 AND 2. EVERYTHING IS NORMAL.SDR UALA2009070701950Igniter · failedNR 1 ENG FAILED TO LIGHT WITH START SELECTION NUMBER 1 STOPPED START AND THEN STARTED L. REPLACED NR 1 ENG NR 1 EXCITER AND REPLACED BOTH NR 1 ENG IGNITERS. PRIOR TO REPLACEMENT ITEMS RAN NR 1 ENG AND DETERMINED NR 1 IGNITER FAILED, AFTER REPLACEMENTS RAN NRSDR CA090527001Spark Plug · defective(CAN) WHILE IN FLIGHT THE RT ENG BEGANS BACKFIRING WITH LOSS OF POWER. AS IAW COMPANY PROCEDURES THE ENG WAS SHUTDOWN AND THE PROP FEATHERED. EMERGENCY PROCEDURE DECLARED, ACFT RETURNED TO MX FACILITY. AFTER INVESTIGATION WE FOUND THE FRONT SPARK PLUG ON CYLINSDR CA090603001Spark Plug · damaged(CAN) UPON PRE-FLIGHT RUN UP, ENG FAILED TO PRODUCE REFERENCE RPM. ACFT RETURNED TO CHOCKS AND MX DISCOVERED AT LEAST 4 OF 9 CYL SPARK PLUGS WERE BADLY DAMAGED INDICATING THAT FOREIGN MATERIAL OR ENG PARTS HAD ENTERED INDUCTION SYS ENG REQUIRED CHANGING.SDR 2009FA0000484Spark Plug · brokenRECENTLY INSTALLED SPARK PLUGS. RETURNING HOME, NOTICED ODOR OF FUEL VAPOR, ENGINE STARTED RUNNING VERY ROUGH & WOULD ONLY DEVELOP ABOUT 2000 RPM. MADE LANDING AND FOUND SPARK PLUG BROKEN AND THAT THE PART WITH THE CABLE WAS LAYING ON THE ENGINE AND WHAT WAS SDR YWYR201209157151Spark Plug · crackedDURING ANNUAL INSPECTION, 1 OF THE 12 ENGINE SPARK PLUGS WAS FOUND TO HAVE A CRACKED ELECTRODE INSULATOR.SDR DL764090367Igniter · inoperativeRTB DUE TO NR 1 ENG IGN INOP. REMOVED AND REPLACED BOTH IGNITERS PLUGS. STARTED ENG TWICE THE GATE CKS GOOD PER M/M.SDR SIMA200835401Igniter · damagedON TAKEOFF CREW REPORTED AIRCRAFT YAWED TO THE RIGHT AND THEN ON THE CLIMB, RIGHT ENGINE ITT WAS FLUXING/SPIKING ANY WHERE FROM 800 TO 838. BOTH PACKS WERE RUNNING AND ONLY AFTER RETARDING POWER, (N1 65) THE PACKS HAD TO BE RESET A FEW TIMES AFTER POWER WAS RSDR UALA2008120206726Igniter · faultyEICAS STATUS MSG ENGINE IGNITER R1. REPLACED IGNITER PLUG.SDR UALA2008111806547Igniter · inoperativeL ENG IGNITOR 1 INOPERATIVE.SDR 2008UALA06256Igniter · faultyRIGHT ENGINE DID NOT LIGHT OFF WITH IGNITION SELECTED TO NR 2 SYSTEM. LIGHT OFF OK IN "BOTH". DUE TO HISTORY REPLACED BOTH IGNITER PLUGS. REPLACED LEADS BOTH. REPLACED EXCITER BOX BOTH. TESTED GOOD.
SDR DL76G081230Plug · failedLEFT ENGINE IGN 1 INOP. REPLACED NR 1 ENGINE 1 IGN PLUG. RAN ENGINE, OPS OK.SDR CA080829001Spark Plug · defective(CAN) ON TROUBLESHOOTING LT MAG DROP (100 RPM), REAR SPARK PLUGS WERE REPLACED WITH NEW SPARK PLUGS OBTAINED FROM RELIABLE SOURCE WITH CERTIFICATION. ENG WAS GROUND RUN AND MAG CHECK CONDUCTED AND RPM DROP ON LT MAG WAS 150RPM. AFTER INSPECTING LT MAG AND IGNISDR UALA2008111304351Igniter · failedENG IGNITER L1 LEFT ENGINE FAILED TO IGNITE USING IGNITER 1. REPLACED IGNITER L1 ON LEFT ENGINE.SDR 2008UALA04301Igniter · failedENG IGNITOR L2 LEFT ENGINE FAILED TO IGNITE USING IGNITOR 2.SDR C2XA08ON141Igniter · inoperativeFLT 0519 - AUS - FLIGHT CREW REPORTED E2 DRIPPING FUEL WHILE RUNNING ACCORDING TO GROUND RAMP. MAINTENANCE INSPECTED AND FOUND FUEL FROM PREVIOUS ABORTED/HUNG START (NOT DRIPPING WHEN RUNNING). FOUND E2A IGNITER INOPERATIVE. MAINTENANCE PLACED ON MEL. ON 0SDR CA080111005Spark Plug · cracked(CAN) (2) SEPARATE OCCASIONS NEW UREM38S SPARK PLUGS WERE REMOVED FROM THE PACKAGE AND FOUND TO HAVE CRACKED CERAMIC INSULATORS. TO VERIFY THE PLUGS WERE TESTED AND FOUND TO BE MISFIRING. THE CRACKING IN THE CERAMIC DOES NOT APPEAR TO BE SHIPPING OR MISHANDLINSDR 2007UALA04795Igniter · failedIGNITOR L1 FAILED TO START LEFT ENG.SDR QXEA200701619Igniter · inoperativePDX - ON FLIGHT 2541, NR 2 ENGINE DID NOT START. AIRCRAFT WAS RETURNED TO GATE AND MAINTENANCE PLACED IT ON MEL NR 74-11-1A. MEL CLEARED ON 10/26/2007 BY REPLACING LEFT IGNITION LEAD AND IGNITER. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.SDR 02783Spark Plug · brokenDURING CRUISE FLIGHT FROM KPDK TO KGEV, THE ENGINE DEVELOPED A VIBRATION AND AIRCRAFT WAS LANDED AT KMRN. TWO PASSENGERS ONBOARD AND LANDED WITHOUT INCIDENT. IT WAS FOUND TO BE A NR 1 CYLINDER SPARK PLUG WITH A BROKEN INSULATOR CAUSING THE ROUGH RUNNING AND SDR NACA20070017Spark Plug · failedNR 4 ENGINE SHUT DOWN DUE TO CONTINUOUS BACKFIRE IN CLIMB. INSPECTION REVEALED NO CRACKED CYLINDERS, FRONT CAM NO DEFECT. COMPRESSION TEST OF NR 12 CYLINDER CHECKED GOOD, NR 12 EXHAUST VALVE GUIDE CHECKED GOOD IAW PURDUE DC-6 MM MB31-3-1 (7). MULTIPLE SPARKSDR KPVA20079Igniter · missing(PIREP) NR 2 ENGINE INBOARD AIR VENT BURNED OFF 5 OF 9 SLATS & PAINT AROUND THE AREA BURNED AS WELL. (MX) PERFORMED VISUAL INSPECTION OF NR 2 NACELLE, FOUND INBOARD IGNITER NOT INSTALLED ON ENGINE. RE-INSTALLED IGNITER IAW DHC-8 MM 72-01-20 SEC 5B PG 402. ASDR J4PA062807001Spark Plug · crackedAT APPROXIMATELY 1600 LOCAL FLYING FROM KPDK TO KGSO AT CRUISE DEVELOPED AN ENGINE VIBRATION AND ROUGH RUNNING. DIVERTED INTO KGMU WITH 1 PASSENGER, WITHOUT INCIDENT. AFTER GROUND CHECKS FOUND THAT A SPARK PLUG FIRING SIDE INSULATOR WAS CRACKED CAUSING THE MSDR HALA0700037Igniter · inoperativeBTB - NR 1 ENG WILL NOT START. REMOVED AND REPLACED IGNITER PLUG A NR 1 ENG, OPS AND LK CK OKAY PER AMM 74-20-04.SDR BSYA200600025Spark Plug · dirtyONTAKE OFF OUT OF BHM LEFT ENGINE WOULD NOT ACCELERATE ABOVE 1800 RPM, ABORTED TAKEOFF. MAINTENANCE CLEANED FUEL NOZZLES AND REPLACED ONE SPARK PLUG, GROUND RUN GOOD.SDR CA060907003Spark Plug · fouled(CAN) AIRCRAFT (CARGO FLIGHT, NO PASSENGERS, 2 CREW ON BOARD) RETURNED AFTER TAKEOFF WITH REPORT OF LT ENGINE RUNNING VERY ROUGH AND PARTIAL POWER LOSS AS INDICATED BY SLIGHT YAW OF THE AIRCRAFT AND LT ENGINE RPM FLUCTUATION OF APPROX. 200 RPM. MAINTENANCE INVSDR HALA0600561Igniter · unknownBTB - RT ENG DOES NOT LIGHT OFF IN AUTO. REMOVED AND REPLACED RT ENG B IGNITOR PLUG IAW AMM 74-20-04. OPS CHECK GOOD. OK FOR SERVICE.SDR NSVA200600120Igniter · unknownABORTED TAKEOFF ITT RT ENGINE 935 AND CLIMBING. REPLACED OUTBOARD IGNITER AND OPS CHECKED GOOD IAW 72-00-00.SDR CA060726001Igniter · loose(CAN) INSULATION WITHIN IGNITOR FOUND LOSE. IN LIGHT OF PAST INCIDENCE OF ENGINE FOD, IGNITORS WERE CHANGED. IGNITOR P/N 955075400/CH34745 (TC NR 20060726001)SDR DL764060590Igniter · intermittentRT ENG HUNG AT START 31PCT N2 700 LBS FUEL FLOW NO EGT INCREASE. F/REPORTED SMOKE FUMES FROM THE ENGINE OUTSIDE. SELECTED IGN TO BOTH VISUALLY INPECTED INLET/OUTLET CKS OK. STARTED RT ENGINE NORMALLY WITH IGN IN BOTH WITH RT ENG ING 2 EICAS MESSAGE FWD TO MSDR AMTA200600374Plug · unserviceableLT ENG NO EGT RISE DURING START ATTEMPT WITH ING SELECTOR IN ING 1. RESTART IN BOTH WAS NORMAL. REPLACED LT ENG NR 1 IGNITOR PLUG IAW MM. AUDIBLE OPS CHECK GOOD. (K)SDR KBM2006F00173Igniter · weakIGNITER, LT ENGINE IGNITER, WEAK SPARK, REMOVED AND REPLACE. (K)SDR KBM2006F00110Igniter · looseIGNITER, UNIT HAS LOOSE ELECTRODE. REMOVED AND REPLACED. (K)SDR KBM2006F00080Igniter · inoperativeAC HAS SLOW START, IGNITER, REMOVED AND REPLACED. (K)SDR KBM2006F00079Igniter · inoperativeAC HAS SLOW START. REMOVED AND REPLACED. (K)SDR CA060216005Igniter · broken(CAN) DURING A 100 HR INSPECTION THE IGNITORS WERE REMOVED AND IT WAS FOUND THAT THE CERAMIC SURROUNDING CENTER ELECTRODE WAS LOOSE. BOTH IGNITORS WERE CHAMPIONS. ENGINE VIB CHECK WAS CARRIED OUT AND FOUND WITHIN LIMITS. LT IGNITOR S/N 04020731 AND RT S/N 03SDR KBM2006F00099Igniter · wornRT IGNITER, WORN, REMOVED AND REPLACED. (K)SDR KBM2006F00098Igniter · wornIGNITER, LT SIDE, WORN, REMOVED AND REPLACED. (K)SDR 2006FA0000164Spark Plug · defectiveDURING THE INSTALLATION AND OPS CHECK OF 2 NEW MAGNETOS, HARNESS AND 8 SPARK PLUGS TO CORRECT A HARD STARTING DISCREPANCY, THE ENGINE HAD A 200 TO 300 RPM MAGNETO DROP O THE LT MAGNETO. TROBLESHOT THE IGNITION SYSTEM USING A COLD CYLINDER TESTER AND DETERMINESDR KBM2006F00043Igniter · looseRT ENGINE IGNITER HAS LOOSE INSULATOR. REMOVED AND REPLACED. (K)SDR KBM2006F00042Igniter · looseLT ENGINE IGNITER WAS A LOOSE INSULATOR, REMOVED AND REPLACED. (K)SDR KBM2006F00000Igniter · wornNR 1 IGNITER TIP WORN, REMOVED AND REPLACED. (K)SDR KBM2006F00011Igniter · wornIGNITER, UNIT WORN, REMOVED AND REPLACED. (K)SDR NACA20050032Spark Plug · crackedNR 4 ENGINE SHUTDOWN DUE TO NR 13 CYLINDER DOUBLE SHORTED SECONDARY. FOUND FRONT PLUG FOULED AND REAR PLUG WITH CRACKED CERAMIC. REPLACED WITH SERVICEABLE PLUGS, REF: NAC MM SEC. IV PG. ECO5.1. OP CHECKED GOOD.SDR NACA20050033Spark Plug · fouledNR 4 ENGINE SHUTDOWN DUE TO EXCESSIVE BACKFIRING, SUSPECT NR 16 CYLINDER. REPLACED NR 4 ENGINE NR 16 CYLINDER FRONT SPARK PLUG AND SHORT LEAD IAW 6-11 AND 6-12 MB PAGES 6-31 AND 6-34.SDR AU510002018Igniter · wornNR 2 ENGINE IGNITER WORN.SDR AU510001987Igniter · failedNR 1 ENGINE IGNITER PLUG FAILED.
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