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 CALA2013072990051Igniter · inoperativeRIGHT ENGINE NR 1 IGNITION SYS, INOPERATIVE. RT ENGINE NO START IN NR 1 IGNITION. OK USING BOTH. REPLACED IGNITER PLUG IAW AMM AND TESTED IGNITION SYS IAW AMM.SDR UALA2013072605260Igniter · inoperativeLT ENGINE FAILED TO IGNITE USING IGNITER 1. STATUS MESSAGE 7461491 INACTV ES MODE.SDR UALA2013072405193Igniter · failedDURING NR 1 ENGINE START, USING 'B' SYS, HAD ENGINE START FAULT, ENGINE IGNITION FAULT. GOOD START USING MANUAL START PROCEDURE. R & R NR 1 ENGINE IGNITOR PLUG "B" IAW TSM 74-00-00-810-813-A. ENGINE NR 1 STARTS WITH NO FAULTS.SDR UALA2013072505220Igniter · warning messageDURING START, LT ENGINE SECOND START ATTEMPTED. ENGINE IGNITER L2 STATUS MESSAGE 74-61501. REPLACED EXCITOR, LEAD, AND IGNITOR, ENGINE STARTS NORMAL.SDR ASAA2013071795629Igniter · burnedWHILE ACCOMPLISHING T/C 78472018 ON NR 2 ENGINE FOUND OTBD IGNITION IGNITER BURNED. ACFT GROUNDED. R & R NR 2 ENG IGNITERS IAW T/C 78474000.SDR UALA2013071605000Igniter · inoperativeLEFT ENGINE FAILED TO IGNITE USING IGNITOR NR 2. STATUS MESSAGE 7461501 INACTIVE ES MODE. LOWER EICAS MESSAGE 74-6 1501. REPLACED EXCITER, CABLE AND IGNITER IAW MM 74-11-01,74-21-01,74-21-02, OPS TESTED OK.SDR UALA2013071204899Igniter · malfunctionedCREW REPORTED NR 2 ENGINE NR 1 IGNITOR WILL NOT START ENGINE. SECOND START ATTEMPT IN BOTH WAS NORMAL.SDR UALA2013071204877Igniter · failedENGINE IGNITER R1 FAULT WITH NO START.SDR UALA2013062704517Igniter · failedLEFT ENGINE FAILED TO IGNITE USING IGNITOR 1. REPLACED IGNITER PLUG, EXCITER TO IGNITER PLUG CABLE, AND IGN EXCITER NR 1 ENGINE. TESTS OK.SDR ASAA2013062795348Igniter · failedNR 1 ENGINE WOULD NOT START. MADE TWO ATTEMPTS WITH IGN RT SELECTED WITH NO LIGHT OFF. FUEL FLOW SHOWED 0.0 FOR ABOUT 3-5 SECONDS AFTER START LEVER RAISED TO IDLE THEN .5 FOR A FEW SECONDS THEN 1.5 VERY BRIEFLY AND RT BACK TO .5. AFTER 5-10 SECONDS FUEL FLOWSDR UALA2013062404355Igniter · failedENGINE START FAILS WITH IGNITION SYSTEM 1 OR 2. REPLACED NR 2 IGNITION EXCITER, LEAD & PLUG IAW MM. IGNITION PASSED IAW MM 74-00-00.SDR VNFR20130618001Spark Plug · crackedCRACKED CERAMIC ON NR 5 LOWER SPARK PLUG.SDR ASAA2013061295094Igniter · failedNR 1 ENGINE HAD NO LIGHT-OFF (IGNITION LT WAS SELECTED) ACFT GROUNDED. PERFORMED FIM TASK 74-21, TASK 806, FOUND LT IGNITER PLUG BAD. REPLACED NR 1 ENG LT IGNITER PLUG IAW MM 74-21-02-400-801, MM 74-21-02-000-801, MM 74-21-02-200-801. PERFORMED AUDIBLE TESSDR UALA2013061304088Igniter · inoperativeLEFT ENGINE IGNITION INOPERATIVE. INSTALLED EXCITER BOX AND IGNITER PLUG ON ENGINE NR 1 IAW AMM 74-11-01 AND 74-21-02. OPS CHECKED GOOD.SDR UALA2013050603145Igniter · faultyCREW REPORTED, ENG NR 1, NO START USING NR 1 IGNITION SYSTEM. REPLACED IGNITER AND PERFORMED IGNITION CHECK AND STARTED ENGINE, OPS NORMAL.SDR UALA2013050203080Igniter · failedRIGHT ENGINE FAILED TO IGNITE USING NR 2 IGNITOR. REPLACED EXCITER BOX PER MM 74-11-01 AND IGNITER PLUG PER MM 74-21-02. MADE TWO SUCCESSFUL ENGINE STARTS, NO FAULTS.SDR 2013FA0000224Spark Plug · brokenWHILE COMPLETING A 1000 HOUR INSPECTION AND CLEANING THE SPARK PLUGS (XL URHB32S LOT 1269) 1 OF THE PLUGS WAS FOUND TO HAVE THE WIRE ELECTRODE LOOSE AT ITS ATTACHMENT TO THE END OF THE SPARK PLUG. THE WIRE COULD BE ROTATED UP OUT OF ALIGNAMENT WITH THE CENTER SDR UALA2013040902406Igniter · failedENGINE IGNITOR R2 RIGHT ENGINE FAILED TO IGNITE USING IGNITOR 2. STATUS MSG-7461502 INACTV ES MODE NO TIME ON TURN. PARTS: (671-1923 CH31923-5) (671-1323 MR74112)SDR 2013FA0000223Spark Plug · damagedAFTER HAVING CRACKED INSULATOR ON RHB32S SPARK PLUGS AND SB 11-05, WHICH HAD A MANDATORY REPLACEMENT OF FINE WIRE SPARK PLUGS, INSTALLED MASSIVE SPARK PLUGS. NOW, 13 MONTHS AND 310 HRS LATER, THE ENGINE IS MISFIRING IN CRUISE. ONE CYLINDER AT A TIME RUNNINGSDR 2013FA0000195Spark Plug · crackedREMOVED SPARK PLUGS FOR O/H AND REINSTALLED IN AUGUST 2012 AFTER O/H. RAN UP ENGINE FOR OIL CHANGE, NOTICED THE ENGINE WAS MISSING ON THE RT MAG DURING MAG CHECKED. REMOVED PLUGS TO CLEAN AND GAPPED AND FOUND NR 3 CYLINDER BOTTOM SPARK PLUG INSULATOR BROKEN.SDR UALA2013022601168Igniter · faultyREPLACE IGNITER PLUGS (NR 1 ENGINE). REPLACED IGNITORS NR 1 ENGINE.SDR UALA2013020100608Igniter · arcedCREW REPORTED NR 1 ENGINE DID NOT START USING THE "A' SYSTEM. FOUND ARCING INSIDE A IGNITOR. REPLACED IGNITOR AND LEAD. OPS CHECKED GOOD.SDR UALA2013011800314Igniter · failedRIGHT ENGINE FAILED TO START ON NR 1 IGNITION . REPLACED RIGHT NR 1 IGNITOR AND EXCITER, OPS CHECKED NORMALLY.SDR UALA2012123107455Igniter · faultyIGNITION IN POSITION 1 HAD A NO LIGHT OFF STARTING NR 2 ENGINE. STARTED IN BOTH. NORMAL ENGINE START WITH IGNITION IN "BOTH" OK TO DEFER USING MEL 7400C. RPL- :NR 1 & 2 SPARK PLUGS. RAN THE ENGINE OP CHECK OKAY.SDR UALA2012121007136Igniter · faultyPER CREW ENGINE 1 START ATTEMPT, NO START USING IGNITION NR 1, PER FLT MANUAL, SWITCHED TO 'BOTH' START WAS GOOD-NORMAL. OK TO DEFER ENGINE 1, IGNITION SYSTEM NR 1 'INOP' PER MEL 7400A. OK TO DEFER PER MEL7400A TOMC-EMC. REPLACED NR 1 ENGINE SYS 1 IGNITER SDR 2012FA0000799Spark Plug · failedACFT STALLED ON TAXIWAY. ENGINE WAS INSPECTED. DURING THE INSPECTION SPARK PLUGS WERE CHECKED FOR RESISTANCE. ALL 8 PLUGS FAILED. THE RESISTANCE CHECK, PAST, ALL OTHER NORMAL INSPECTION CHECKS.SDR CA121122008Spark Plug · damaged(CAN) ACFT CAME IN FOR ROUTINE INSPECTION AND IT WAS OBSERVED THAT 1 SPARK PLUG APPEARED TO HAVE A LEAK FROM THE COMBUSTION CHAMBER. UPON CLOSER INSPECTION IT WAS DISCOVERED THAT THE SPARK PLUG ITSELF WAS DEFECTIVE. THE END THAT THREADS INTO THE CYLINDER HASSDR 2012FA0000744Spark Plug · faultyPILOT REPORTED ENGINE WOULD FEEL LIKE IT WAS GETTING A MISS IN FLIGHT. PERFORMED A RESISTANCE CHECK OF THE PLUGS AND FOUND HALF OF THEM TO BE AT LEAST 10 TIMES OVER THE SERVICE LIMIT RESISTANCE VALUES FOR THE SAME PN FOR A TEMPEST PLUG. THE ENTIRE SET OF SPSDR UALA2012103006239Igniter · faultyNR 2 ENGINE START, NO START USING NR 1 IGNITOR. REPLACED NR 1 IGNITOR PLUG AND IGNITOR NR 1 ON ENGINE 2 ACCOMPLISHED ENG RUN IAW JRH 2-5-1, OP CHECK NORMAL.SDR 2012FA0000743Spark Plug · faultyPILOT REPORTED ELEVATED NR 3 CYLINDER CHT WHILE ALL OTHER PARAMETERS REMAINED NORMAL. PLANE WAS BROUGHT TO US AFTER FAULT COULD NOT BE FOUND BY LOCAL SHOP. WE PERFORMED A RESISTANCE CHECK OF THE PLUGS ON THE SUSPECT CYLINDER AND FOUND 1 TO HAVE INFINITE RESISDR ASAA2012100893086Igniter · inoperativeNR 1 ENGINE WILL NOT START USING LT IGNITER. ACCOMPLISHED EEC L/R AUDIBLE TEST IAW AMM 71 00 00 150 801, FOUND LT IGNITER WEAK. REMOVED BOTH IGNITER PLUGS AND FOUND THEM SEVERELY WORN. REPLACED IGNITERS IAW 74 21 02 400 801. R & R IGNITION LEADS LT & RT IAWSDR HYIA20121003004Spark Plug · wornPILOT REPORTED THAT AFTER TAKEOFF, A VIBRATION WAS FELT THROUGHOUT THE AIRFRAME. ELECTED TO RETURN TO DEPARTURE. ALL PANELS AND DOORS WERE INSPECTED FOR SAFETY AND SECURITY AS A PROBABLE CAUSE OF VIBRATION, NO DEFECTS NOTED. INSPECTED ENGINES. RT ENGINESDR 2012FA0000614Spark Plug · defectiveDURING NORMAL ENGINE OPERATION WAS NOT ABLE TO RUN ENGINE LOP CONTINUOUSLY. REMOVED SPARK PLUGS, RHB32S, MEASURED RESISTANCE AND FOUND: 1 WAS ABOUT 820 OHMS, 1 WAS 2.3M OHMS, 2 WERE ABOUT 2K AND 8 PC WERE BETWEEN 30 AND 40 KHOM. REPLACED RHB32S WITH URHB32S SSDR YWYR201209149366Spark Plug · crackedPILOT REPORTED THAT WHILE IN CRUISE FLIGHT, HE FELT AN OCCASSIONL VIBRATION AND SURGE IN POWER. PILOT ALSO NOTICED THAT HIS NR 3 CYLINDER EGT WOULD FLUCTUATE ABOUT 20 DEGREES AND ENGINE RPM WOULD FLUCTUATE BY APPROXIMATELY 30 RPM. CHANGES IN FUEL MIXTURE, PRSDR 2012FA0000598Spark Plug · destroyedENGINE ROUGH IN CLIMB TO FL140. COULD NOT SET 17,5 GPH FOR CRUISE, HAD THAT SAME PROBLEM ONCE MORE, BUT NOW ONLY VERY LEAN. CHT IN SECONDS TO 480 FROM 340 AND ABOVE ON CYLINDER NR 1. NORMAL EGT , HIGH AND RISING TIT ON TURBO 2 FROM 1600 TO 1750. WHEN THE OIL PSDR UALA2012081404500Igniter · faultyNO START ON RT ENG IN IGNITER 2 OK IN BOTH. SECOND START ATTEMPT IN BOTH HAD A NORMAL START. IGNITER 2 INOPERATIVE ON RT ENGINE. NR 2 IGNITER ON RT ENGINE INOPERATIVE. REPLACED BOTH IGNITER PLUGS, OPS CHECKED OKAY.SDR 2012FA0000581Spark Plug · failedENGINE RUNNING ROUGH REPORTED. REMOVED SPARK PLUG AND FOUND MISSING INSULATOR. MATERIAL INJESTED INTO ENGINE.SDR ASAA2012082292763Igniter · damagedLT ENGINE WOULD NOT START. ACFT GROUNDED. FOUND RT IGNITER PLUG DAMAGED. R & R IGNITION PLUG, RT REF T/C 78474000, NO FAULTS, CODES IN EEC BITE TEST. OPS CK NORMAL.SDR 2012F00140Spark Plug · mismanufacturedINSTALLED NEW CRHB32E MASS ELECTRODE PLUGS 96.7 HOURS AGO. WHEN DIAGNOSING A ROUGH CLIMB POWER FOUND: 6 PLUGS WITH NO CONTINUITY. THE OTHER 6 MEASURED 1.424K OHMS, 1.266K OHMS, 1.394K OHMS, 1.427K OHMS, 1.123K OHMS, 2.166K OHMS. OF THOSE 6 PLUGS, 3 WERE FOUSDR CA120716017Igniter · faulted(CAN) IGNITION NOT FIRING AT START UP, FUEL, BUT NO START. FAULTY IGNITERS DETERMINED AS CAUSE.SDR UALA2012070503603Igniter · arcedNR 1 ENGINE LOWER IGNITER AND LEAD SHOW EVIDENCE OF ARCING. REPLACED LOWER IGNITER AND LEAD ASSY.SDR UALA2012070503615Igniter · faultyIGN B FAULT DISPLAYED ON UPPER ECAM SCREEN. REMOVED AND REPLACED BOTH ENGINE IGNITORS REF MM. OPS CHECKED REF MM. OPS CHECKED GOOD. NO MESSAGES ON UPPER ECAM.SDR ASAA2012062192405Igniter · failedDURING BOROSCOPE INSPECTION OF NR 1 ENGINE, FOUND LT AND RT IGNITORS DAMAGED. R & R NR 1 ENG LT AND RT IGNITER PLUGS IAW T/C 78474000.SDR UALA2012052502922Igniter · failedRIGHT ENGINE FAILED TO LITE USING NR 2 IGNITER. STATUS MESSAGE-7461502 INACTIVE ES MODE. CHRONIC ITEM. REPLACED NR 2 ENG NR 2 EXCITER, LEAD AND PLUG. OPS CHECKED PER MM. CHECKED NORMAL.SDR 2012FA0000578Spark Plug · crackedENGINE START NORMAL. MAGNETO CHECK ON RUNUP REVEALED ROUGH RUNNING AND MAG CHECK FAILED ON SEVERAL CYLINDERS. REMOVED THE PLUGS - CRACKS FOUND ALL AROUND THE INSULATOR. RHB32S IS CURRENTLY IN THE ENGINE. HAVE BEEN FINDING SEVERAL OF THESE ON MULTIPLE AIRCSDR UALA2012051802818Igniter · failedCREW HAS REPORTED THAT THE NR 1 ENGINE DID NOT START USING THE NR 1 IGNITION. ENGINE DID START NORMAL WITH BOTH IGNITERS SELECTED. TROUBLESHOT IAW 74-00, FAULT TREE AUDIBLE CHECK OF NR 1 SYS. REPLACED IGNITER PLUG NR 1 OF NR 1 ENGINE AND NR 1 ENGINE STARTEDSDR ASAA12511516Igniter · failedLEFT IGNITOR DID NOT START NR 1 ENGINE. RIGHT IGNITOR STARTED NR 1 ENGINE. ACFT GROUNDED. PERFORMED FIM 74-21 TASK 806, ACCOMPLISHED MAIN IGNITOR PLUG INSPECTION IAW AMM 74-21-02-200-801-F00. LEFT IGNITOR PLUG OUT OF LIMITS. PERFORMED MAIN IGNITOR PLUG REPSDR ASAA12511440Igniter · failedNR 1 ENGINE UNABLE TO START ENGINE IGNITION SWITCH ON RT IGNITION. REPLACED NR 1 ENGINE RT IGNITER, REF MM 74-21-02. PASSES AUDIBLE TEST EEC BITE IGNITERS TEST IAW MM 74-00-00-750-801.SDR BSYA2012015Spark Plug · faultySHORTLY AFTER TAKEOFF FROM HFD, PILOT NOTICED RIGHT ENGINE RUNNING ROUGH. PILOT DIVERTED TO BDL AND LANDED SAFELY WITHOUT INCIDENT. AIRNET SYSTEMS MAINTENANCE REPLACED ALL SPARK PLUGS, RUN UP AND OPERATIONALLY CHECK GOOD. NO FURTHER DEFECTS NOTED.SDR 2012FA0000277Spark Plug · mismanufacturedINSTALLED NEW MFG FINE WIRE PLUGS IN FEB 2010 AT 1260 HRS TT. NOTICED A PROBLEM WITH THE RESISTORS IN A FEW OF THE PLUGS. NOTICED HARD STARTING WHEN HOT. AT ANNUAL INSPECTION, 7 OF 12 PLUGS HAD FAILED, THE RESISTORS WERE COMPLETELY OPEN AND REGISTERED 1 ON
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