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 2012FA0000247Spark Plug · failedTESTED EIGHT REM38S SPARK PLUGS WITH 200 HRS TT AND FOUND THE RESISTORS HAD FAILED, NO RESISTANCE FOUND THROUGH THE SPARK PLUG.SDR 2012FA0000248Spark Plug · failedDURING ANNUAL INSPECTION, THE SPARK PLUGS, RHM40E WERE CLEANED AND TESTED AND ONE OF THE NEW PLUGS THAT WAS INSTALLED 12 MONTHS AGO DURING THE LAST ANNUAL AND NOW HAS 14 HRS TT SINCE INSTALLATION, THE PLUG FAILED THE INTERNAL RESISTANCE CHECK: THERE WAS NO CINSDR 2012FA0000228Spark Plug · damagedPILOT REPORTED ENGINE BEGAN RUNNING ROUGH AT 11,000 FT. DESCENDED TO 5,000 FT AND ENGINE OPERATED CORRECTLY. RETURNED TO AIRPORT, LANDED WITHOUT FURTHER INCIDENT. REMOVED TOP COWLING AND ALL 12 SPARK PLUGS, PN RMH38E. ALL SPART PLUGS RUSTED ON OUTSIDE AND SDR UALA2012022901260Igniter · failedCREW REPORT: NR 1 ENGINE NO LIGHT OFF. START OK SECOND ATTEMPT WITH START SWITCH IN BOTH. MEL COMPLIED WITH BY FLIGHT CREW. REPLACED NR 1 IGNITER PLUG. RAN MOTOR OPS NORMAL.SDR UIEA2012022700063Warning Message · illuminatedLEFT IGNITER 1 STATUS MESSAGE. PREFORMED FIM 74-00-00, FIG 108 HAD CODE ON PIMU 351-25B LT ADC CHANNEL FAIL.SDR 2012FA0000204Spark Plug · crackedREPLACED ALL FINE WIRE SPARK PLUGS RHB32S WITH NEW RHB32E MASSIVE ELECTRODE PLUGS. TWO SPARK PLUGS HAD CRACKED INSULATION WITH SOME INSULATION MISSING.SDR 2012FA0000103Spark Plug · crackedRT B32S SPARK PLUGS HAVE CRACKED PORCELAIN, QTY 6 OUT OF 12, FOUND DURING ANNUAL INSPECTION.SDR ASAA12511028Igniter · inoperativeNR 1 ENGINE WOULD NOT START. NO EGT W/IN 10 SEC NO FUEL FLOW WHEN START LEVER RAISED TO IDLE. FUEL FLOW INDICATOR INITALLY SHOWED .60 BUT DROPPED BACK TO 0 AFTER APPROX 1 SECOND. IGNITION SWITCH WAS IN RIGHT POSITION. REF FAULT CODE 74 30961. REPLACED NR SDR 2012FA0000582Spark Plug · crackedENGINE RAN ROUGH. PRECAUTIONARY LANDING. FOUR SPARK PLUGS, FOUND CRACKED AND SOME MISSING INSULATORS.SDR UALA2013011400240Igniter · failedENGINE IGNITOR R1 STATUS. REPLACE IGNITOR AND AND CABLE, TEST PASSED.SDR ASAA12510906Igniter · inoperativeNR 1 ENG LEFT IGNITION DOES NOT WORK. ACCOMPLISHED FIM TASK 74 21 00 810 806 F00 EEC BITE CHECK SHOWED NO FAULTS LOGGED. DURING FURTHER T/S FOUND NO AUDIBLE CONFIRMATION OF IGNITOR PLUGS IGNITING. REPLACED NR 1 ENGINE IGNITOR PLUGS REF T/C 78474000 SYSTEM OSDR UALA2012010300042Igniter · failedNO EGT RISE ON RT ENG WITH NR 2 IGNITION START OK ON BOTH IGNITORS. REPLACED NR 2 IGNITER PLUG IAW MM, ENGINE STARTED OK PER JRH 2-6-1.SDR CA111219007Igniter · failed(CAN) NEW IGNITORS WERE INSTALLED AT PHASE INSPECTION, 26 HRS PRIOR AND FAILED ON A ROUTINE START. PILOT REPORTED DURING RT ENGINE START TO ENGINE WOULD STABLIZE AT 16 PERCENT THEN NOT LIGHT OFF. HE REPORTED TO HAVE TRIED THE START SEQUANCE 3 TIMES BEFORE DESDR 2011FA0000794Spark Plug · defectivePILOT REPORTED HIGH MAGNETO DROP DURING PRE-RUN CHECK. NR 3 CYLINDER BOTTOM SPARK PLUG WAS FOUND TO HAVE ENTIRE CERAMIC MISSING. BORESCOPE OF CYLINDER REVEALED NO INTERNAL DAMAGE.SDR HNAA2011121300423Igniter · failedNR 1 ENGINE WILL NOT START ON TAXI OUT. ITT STAYED AT 60 DEGREES. 3 ADDITIONAL ATTEMPTS ENGINE WILL NOT START. ACFT RETURNED TO GATE. R & R NR 1 ENGINE IGNITORS IAW MM 72-01-20. GROUND RAN ACFT. OPS CHECKED NORMAL AT THIS TIME.SDR TRBA201132601Igniter · failedWHILE WAITING TO BE PARKED AT GATE, NR 1ENGINE SHUTDOWN WITH 450 LBS FUEL. HAD FUEL TRUCK FILL TANK AND NR 1 ENGINE WOULD NOT START. R & R BOTH IGNITERS FOR NR 1 ENGINE. OPS CHECKED NORMAL. MADE SEVERAL STARTS AND TOOK ENGINE TO POWER, WORKED NORMAL IAW MM SDR YWYR201209158826Spark Plug · crackedPILOT REPORTED HIGH RPM DROP DURING MAGNETO DROP OFF CHECK. ISOLATED PROBLEM TO NR 5 CYLINDER BY USE OF GRAPHIC ENGINE MONITOR. REMOVED ALL SPARK PLUGS AND FOUND 1 SPARK PLUG ON NR 5 CYLINDER HAD CRACKED INSULATOR TIP. INSTALLED NEW SPARK PLUG. GROUND RUN SDR 2011FA0000634Spark Plug · crackedDURING ROUTINE ANNUAL INSP FOUND 1 EACH RHB32S CHAMPION SPARK PLUG TO BE MISSING HALF OF THE CERAMIC INSERT THAT SURROUNDS THE CENTER ELECTRODE. FURTHER CLEANING AND INVESTIGATION REVEALED 3 OTHER SPARK PLUGS WITH CRACKS IN THE CERAMIC. IT ALSO APPEARED THATSDR ASAA11510370Igniter · meltedDURING NR 2 ENGINE START NO EGT. MOTORED ENGINE AT 27 PERCENT N2 FOLLOWED QRH AND SHUT IT DOWN. (IGN SWITCH IN IGN R POSITION). REMOVED NR 2 ENGINE INGNITER R PLUG IN REF AMM 74 21 02. FOUND PLUG MELTED. INSTALLED NEW SERVICE ALB IGNITER PLUG IN REF AMM 7SDR UALA2011072503771Igniter · faultyNR 1 ENGINE NO START 3 ATTEMPTS, NORMAL ROTATION AND FF, NO EGT RISE. OPERATION NR 1 ENGINE NORMAL IN IGN SYSTEM 2. REPLACED NR 1 IGNITER AND IGNITER BOX. OPS CHECKED GOOD. TESTED PER MM.SDR UALA2011072503783Igniter · malfunctionedSTART FAULT DISPLAYED ON UPPER ECAM SCREEN. ENGINE START USING MANUAL PROCEDURE NORMAL. REPLACED A IGNITOR PLUG AND A IGNITION PER MM. ACP OPS CHECK PER MM. OPS CHECKS GOOD.SDR BSYA2011010Spark Plug · defectiveAFTER FLYING FOR ABOUT ONE HOUR AIRCRAFT RETURNED TO STP AND REPORTED RIGHT ENGINE RUNNING HOT. MAINTENANCE REMOVED AND REPLACED ALL SPARK PLUGS AND ADJUSTED MAGNETO TIMING OPS CHECKS GOOD.SDR 2011FA0000135Spark Plug · fracturedA LOSS OF ENGINE POWER DURING FLIGHT. EXAMINATION OF ENGINE FOUND THAT THERE WAS A CATASTROPHIC FRACTURE AT THE FLANGE OF THE SPARK PLUG LEAVING THE COPPER GASKET WASHER STILL HELD IN PLACE ALONG WITH THE THREAD FROM THE SPARK PLUG BUT THE PLUG WAS COMPLETELYSDR UALA2011012500412Igniter · inoperativeRT ENG IGNITER INOPERATIVE. MESSAGE NR 74-61502 USE FIM 74-11 TASK 816. R & R RT ENG LOWER IGNITER IAW MM. MAT AUDIBLE CLICK TEST PASSED ON CHANNEL 1 AND 2. OPS CHECKED OK. MESSAGE CLEARED.SDR CA110120005Insulator · dislodgedINNER CERAMIC INSULATOR FOUND TO BE LOOSE, FOUND DURING VISUAL INSP BY SHAKING IGNITOR VIGOROUSLY. IGNITOR STILL WORKS BUT CONCERN OF INNER CERAMIC DISLODGING WAS REASON FOR THE REPLACEMENT OF THE IGNITORS.SDR ASAA1158729Igniter · faultyNO LIGHT OFF ON RIGHT ENGINE START. FUEL FLOW INITALLY CAME UP TO 1.1 THEN ROLLED BACK TO 0 AFTER 2 SECONDS. REPLACED NR 2 RT IGNITER REF AMM 74 21 02. REPLACED NR 2 RT IGNITER LEAD REF AMM 74 21 01. NR 2 RT IGNITER SYSTEM, OPS CHECKS GOOD.SDR UALA2010122004652Exciter · inoperativeENG IGNITOR L2 LT ENGINE FAILED TO IGNITE USING IGNITOR 2. REPEAT WRITEUP MSG-7461501 INACTIVE MODE. LT ENG IGNITOR 2 INOP. REPLACED LT ENGINE NR 2 IGNITER PLUG IAW AMM. REPLACED IGNITER LEAD AND EXCITER BOX IAW AMM. PERFORMED IGNITER PLUG TEST.SDR UALA2010121704610Igniter · failedCREW REPORTED DURING FLIGHT GOT RT ENG IGNITOR 1 (R1) STS MSG. BASED ON AHM BOTH ENG'S HIT AT THE SAME TIME. FOR THE LT ENG: ENG IGNITOR L2 -STATUS- 742 00261, 74-61501, IGNITION SYS NR2 (LT ENG) FAILED TO LIGHT ENG, DUE LONG HISTORY ON THIS SYS DF LT ENG IGNSDR C2XA10IA334Igniter · inoperativeIAH - FLIGHT 2176, THE CREW REPORTED A HUNG START FOLLOWED BY STRONG SMELL OF SMOKE IN THE COCKPIT. THE AIRCRAFT RETURNED TO THE GATE WHERE MAINTENANCE REMOVED AND REPLACED THE "A" IGNITOR ON THE NUMBER TWO ENGINE, OPERATIONALLY TESTED WITH NO DEFECTS, AND NOSDR UALA2010120604468Igniter · failedENG IGNITOR R1 RT ENGINE FAILED TO IGNITE USING IGNITOR 1. STATUS MSG-7461492 INACTV ES MODE. CLEARED STATUS, NO TIME TO ADDRESS. REPLACED RT ENGINE NR2 IGNITER PLUG IAW AMM. OPS CHECK NORMAL.SDR UALA2010120104416Igniter · faultyNR 1 ENG, DURING 'A' CK IGNITER REPLACED, FOUND CARBON TRACKING ON BOTH END OF BOTH CABLES (EARLY SIGNS OF DEGRADATION). REPLACED BOTH NR 1 ENG IGNITER CABLES.SDR UALA2010111904283Igniter · faultyLEFT ENGINE IGNITER L2 STATUS MESSAGE. REPLACED IGNITER PLUG AND INSTALL PER MM AND AUDIBLE TEST PASS. REPLACED EXCITER BOX, IGNITION LEAD AND IGNITER PER MM.SDR UALA2010111004172Igniter · failedENG IGNITER L2 LEFT ENGINE FAILED TO IGNITE USING IGNITOR 2. STATUS MESSAGE-7461501 INACTIVE ES MODE. REPLACED LEFT ENGINE NR 2 EXCITER BOX. AUDIBLE OPS CHECKS GOOD. 4 ENGINE STARTS AND NO MESSAGE.SDR YWYR201209158126Spark Plug · crackedDURING ANNUAL INSPECTION, 5 OF THE 12 ACFT SPARK PLUGS WERE FOUND TO HAVE CRACKS IN THE ELECTRODE INSULATORS. ENGINE CYLINDERS WERE INSPECTED USING BORESCOPE AND NO DEFECTS WERE FOUND. REPLACED DEFECTIVE SPARK PLUGS WITH NEW.SDR YWYR201209158048Spark Plug · crackedDURING AN ANNUAL INSPECTION, ONE OF TWELVE SPARK PLUGS WERE FOUND TO HAVE A CRACKED ELECTRODE INSULATOR. SPARK PLUG WAS REPLACED WITH NEW PART.SDR UALA2010081803025Igniter · failedRT ENGINE WOULD NOT LITE (2 ATTEMPTS) RETURNED TO GATE. NR 2 IGNITION INOP. CREW STARTED RT ENGINE WITH THE NR 1 IGNITION AND THE ENGINE STARTED NORMAL AT THE GATE. FOUND NR 2 IGNITOR PLUG HAD SEVERE BURN DAMAGE. REPLACED IGNITOR PLUG AND STARTED NR2 ENG WITHSDR HALA2010081300369Igniter · failedETOPS SIGNIFICANT SYS - LT ENG EGT FAILED TO RISE W/IGN 2 SELECTED. RESTART NORMAL W/SW IN BOTH. R & R LT ENGINE NR 2 IGNITER IAW AMM 74-21-02/401. STARTED ENGINE USING NR 2 IGNITION SYS. OPS NORMAL.SDR YWYR201209157863Spark Plug · crackedDURING ANNUAL INSPECTION, TWO OF THE TWELVE ENGINE SPARK PLUGS WERE FOUND TO HAVE CRACKED ELECTRODE INSULATORS.SDR UALA2010060401948Igniter · faultyENG IGNITOR L1 DISPLAYED ON STATUS. MAT SHOWED FAULT CODE 742 001 61 (LATCHED). IGNITION GOT WORSE AFTER 10MAY A23 CHECK DID ROUTINE PLUG CHANGE, SUBSEQUENT PLUG AND EXCITER RPLACED, NO HELP. NEED TO DO IGNITION SYS INSP. IF NO CAUSE FOUND, RECOMMEND PRECAUSDR CA100526007Igniter · cracked(CAN) DURING SCHEDULED ENGINE INSPECTION A TRANSVERSE CRACK WAS FOUND IN THE INSULATOR MATERIAL AT THE TIP OF THE IGNITER. PART TSN=UKN, S/N 09036049. PART WAS REPLACED WITH NEW. THIS TYPE OF DEFECT HAS RESULTED IN INSULATOR MATERIAL SEPARATION AND SUBSEQUESDR 2010FA0000455Spark Plug · crackedCHAMPION SPARK PLUG, PART NUMBER RHB32S, BATCH 2D05 FIVE (5) SPARK PLUGS WITH CRACKS. 400 HOURS OF OPERATING TIME ON THE SPARK PLUGS. THE CENTER ELECTRODE ON 2 SPARK PLUGS DEVELOPED CRACKS ON THE TIPS. THE WIRE ELECTRODE ON 2 OTHER SPARK PLUGS DEVELOPED A SDR TVD2010F00000Spark Plug · weakON THE 2ND LEG OF A FLIGHT, THE PILOT EXPERIENCED AN OCCASIONAL MISFIRE THAT BECAME MORE REGULAR ADJUSTING MIXTURES AND CHECKING MAGNETOS. FAILE TO ISOLATE PROBLEM SO THE DECISION WAS MADE TO DIVERT WHERE AN UNEVENTFUL LANDING WAS MADE. MX WAS DISPATCHED FOSDR 2010FA0000413Spark Plug · cracked(5CSR) DURING ROUTINE MX OF SPARK PLUGS IT IS FOUND THA THE CTR ELECTRODE INSULATING CERAMIC IS CRACKED AND/OR MISSING CHUNKS. ON AVERAGE, ARE FINDING ABOUT (1) OUT OF 20 SPARK PLUGS OF THIS MODEL HAVE THIS CONDITION AND THIS HAS BEEN THE CASE FOR ABOUT THE SDR 2010FA0000189Spark Plug · brokenONE SPARK PLUG CERAMIC WAS FOUND BROKEN. OTHERS WERE FOUND CRACKED. THESE SPARK PLUGS WERE MIS-FIRING DURING HIGH POWER OPERATION. NO DEFECT WAS NOTED DURING NORMAL GROUND ENGINE RUN UP MAGNETO CHECK.SDR UALA2009122804030Igniter · failedENGINE IGNITOR L1 LT ENG FAILED TO IGNITE USING IGNITOR 1. STATUS CREW COMMENTS: STATUS MSG ENG IGN L1 MSG-7461491 INACTV ES MODE. REPLACED L1 UPPER IGNITOR PLUG. REPLACED L1 UPPER IGNITOR. CABLE AND REPLACED L1 UPPER IGNITOR. EXCITER BOX. ACCMP'D AUDIBLE SDR ASAA0957144Igniter · failedNR 1 ENGINE WOULD NOT LIGHT OFF WITH THE RIGHT IGNITION SELECTED. STARTED OK WITH IGNITION ON LEFT. REPLACED NR 1 ENGINE RIGHT IGNITER PLUG REF MM 74 21 02, OPS CHECK GOOD.SDR CA091120005Igniter · failed(CAN) FOUND IGNITER PLUG 1 OF 4 INSTALLED, FAILED CAUSED BY IGNITER INTERIOR CATHODE BECOMING LOOSE.SDR CA091120004Igniter · failed(CAN) FOUND IGNITER PLUG , 2 OF 4 INSTALLED FAILED CAUSED BY IGNITER INTERIOR CATHODE BECOMING LOOSE.SDR DL76G091747Igniter · failedENGINE FAILED TO START LT ENG MSG 1 IGNTER. R&R NR 1 IGNTER, LT ENGINE PER AMM CHECKS GOOD. ETOPS CATEGORY 'F': ANY OTHER EVENT DETRIMENTAL TO ETOPSSDR CA091105004Spark Plug · fouled(CAN) THE STUDENT AND INSTRUCTOR DEPARTED FOR A LOCAL TRAINING FLIGHT AND NOTICED A SMALL AMOUNT OF ENGINE VIBRATION DURING THE T/O. THE VIBRATION WAS NOTED AGAIN LATER WHEN THEY RETURNED TO THE AIRPORT FOR CIRCUIT PRACTICE. A PRACTICE MISSED APPROACH WAS COND
Back to JASC 7421