JASC 7420
Service difficulty reports · 213
Reports filed under 7420 · Ignition Harness (Distribution), 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 = '7420' 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 = '7420' 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 DALA2026092405344Ignition Lead · arcedWHILE PERFORMING HPT BORO, FOUND CHANNEL B IGNITER CABLE TO HAVE ARCHING AT LEAD END OF ENG NR 2. R & R CHANNEL B IGNITION CABLE OF ENG NR 2 PER A220 AMP 74-21. OPS CHECK GOOD. (LP# 8261100; AIRCRAFT WAS GROUNDED)SDR 8HBR20260215075Ignition Lead · damagedA BAD MAGNETO DROP WAS EXPERIENCED DURING THE GROUND RUN OF THE AIRCRAFT. UPON INSPECTION IT WAS FOUND THAT THE RH IGNITION HARNESS LOWER #3 LEAD WAS DEAD.SDR 8HBR20260215076Ignition Lead · damagedDURING A GROUND RUN A BAD MAGNETO DROP WAS EXPERIENCED ON THE RH MAGNETO. UPON INSPECTION IT WAS FOUND THAT THE RH IGNITION HARNESS #3 LOWER LEAD WAS DEAD.SDR YENA2025111301103Ignition Sys · faultedFLT 123, JFK-LAX. (ETOPS) ENG 1 IGN FAULT ( IGNITION SYSTEMS A) SYSTEM A ); REMOVED AND REPLACED ENG 1 IGN A IGNITER PLUG PER AMM 74-21-01. TEST OK NO FAULTS NOTED. THIS CLEARS MDDR 600069 PLACARD REMOVED MX-4 UPDATED. ENGINE: IAE, PW1133GAJM, SERIAL: P772351SDR I5PA2025091768801Ignition Lead · damagedRIGHT ENGINE IGNITION SYSTEM 1 INOP. PERFORMED FIM, FOUND SYSTEM 1 IGNITION LEAD DAMAGED. REPLACED IGNITION LEAD PER APPLICABLE AMM.SDR I5PA2025041619301Ignition Lead · inoperativeFLT NO: N/A, MGE 400, ESI (ETOPS) NR 1 IGN ON LH ENG DID NOT START FROM 2 ATTEMPTS. 3RD ATTEMPT STARTED WITH #2 IGN. R/R LH ENG #1 IGNITER LEAD AND PLUG PER AMM 74-21-01.SDR I5PA2025022519306Ignition Lead · wornFLT NO: N/A (MX INSP) ESI - LEFT ENG SLOW TO START. R/R LH ENG #2 IGNITION LEAD. OPS CHECK GOOD.SDR I5PA2024020675701Ignition Lead · failedFLT NO: MGE300. ESI - LEFT ENGINE FAILED TO START. RETURN TO GATE. PERFORMED IGNITION SYSTEM TEST, FOUND SYSTEM NO. 2 FAILED. REPLACED LH SYSTEM NO. 2 IGNITION LEAD.SDR HALA20231030238Unknown · unknownETOPS - DURING BOROSCOPE INSPECTION FOUND #1 ENG IGNITER PLUG B WORN. REMOVED AND REPLACED #1 ENG IGNITER PLUG B IAW A321 AMM 74-21-01-400-801-A. PERFORMED OPS TEST IAW A321 AMM 74-00-00-710-802. OPS TEST GOOD. NO DEFECTS NOTED. OK FOR SERVICE.SDR ASAA2023082044727Ignition Lead · inoperativeENGINE #2 FAILED TO START ON LEFT IGNITION. GROUNDED - YES. REMOVED AND REPLACED ENG #2 L/H IGNITER REF B737-900 AMM 74-21-02. AUDIBLE OPS CHECK FAILED. FOUND IGNITION LEAD INOP. REMOVED AND REPLACED IGNITION LEAD L/H SIDE, REF AMM 74-21-02. OPS CHECK GOOD.SDR ASAA2023081444611Unknown · unknown"MAINT LIGHT" ILLUMINATED ON TAXI TO GATE. NO OTHER INDICATIONS. GROUNDED - YES. C/W FAULT INTERROGATION FOR MAINT MSG, FOUND LATCHED FAULT 74-21052 AND ALSO FOUND EEC SWITCHES IN TEST POSITION.C/W IFIM TASK G74-20-00-810-801. EEC CHANNEL A&B IGNITION SYSTEM TSDR ASAA2023081344551Unknown · unknownDURING #2 ENGINE START AFTER FUEL WAS INTRODUCED N2 INCREASED TO 30% AND FUEL FLOW WAS NORMAL. N2 DID NOT INCREASE AND FUEL FLOW EVENTUALLY WENT TO ZERO. START WAS ABORTED. GROUNDED - YES. RESET SYSTEM AND PERFORMED IFIM FOR #2 ENGINE FAULT 74-42544 RIGHT SYSTSDR ASAA2023071644083Igniter · failed#2 ENGINE NO LIGHTOFF WITHIN 15 SECONDS WITH IGNITOR SWITCHED TO IGNL STARTS FINE WITH IGNR. GROUNDED - YES. (RESOLVED ON W/O: 1962223 TASKCARD: N/R-00002 ) REMOVED AND REPLACED L/H IGNITER ON #2 ENG REF AMM 74-21-02. OPS CHECK GOOD. ENG STARTS NORMAL WITH IGNSDR ASAA2023043043068Igniter · damagedNO "LIGHT OFF" #1 ENGINE. GROUNDED - YES. REMOVED AND REPLACED R/H IGNITER PLUG IAW ASA TASK CARD N8474000 AND REMOVED REPLACED L/H IGNITER PLUG DUE R/H CONDITION PERFORMED AUDIBLE IGNITER TEST FOR BOTH IGNITERS TEST OK.SDR ASAA2023042242976Igniter · faultyCREW ADVISED #2 ENG HUNG START 1ST ATTEMPT WITH SUCCESSFUL 2ND ATTEMPT OUT OF RALEIGH. GROUNDED - YES. CHECKED OMS AND FOUND FAULT CODE 74-42544 RIGHT IGNITION SYSTEM IS FAILED. MSG NOT ACTIVE. REMOVED AND REPLACED RIGHT AND LEFT IGNITER PLUG ON THE #2 ENGINE SDR NACA2023041000001Unknown · unknownRIGHT ENGINE WOULD NOT START #2 IGNITION. MEL IAW 74-00-015 CATC 4/10/2023. REMOVED AND REPLACED RH ENGINE #2 SYS IGNITION PLUG IAW AMM 74-21-02 OPS CHECK GOOD.SDR ASAA2023040242743Unknown · unknownCONT CAB ZONE TEMP ILLUMINATED ON RECALL AND EXTINGUISHED ON MASTER CAUTION RESET. GROUNDED - YES. PERFORMED PACK ZONE CONTROLLED BITE TEST AND OPERATIONAL TEST OF CABIN TEMP CONTROL AND INDICATION OPS CHK GOOD REF B737-900 AMM 21-61-00-700-806-002 AND 21-61-0SDR ASAA2023040142679Exciter · inoperativeNO LIGHT OFF DURING #1 ENGINE START ATTEMPT ON RIGHT IGNITION. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE L/H + R/H IGNITER PLUGS W/ NEW. REMOVED AND REPLACED R/H #1 ENGINE IGNITION EXCITER W/ SERVICEABLE. REF B737-800 AMM 74-00-00, 74-11-01, 74-21-02.SDR ASAA2023032942636Igniter · damagedL IGNITER ON #2 ENG FAILED. GROUNDED - YES. FOUND LH IGNITER DAMAGED. REMOVED AND REPLACED AND TESTED GOOD REF AMM 74-21-02.SDR ASAA2023032042500Igniter · failed#2 ENG NO LIGHT OFF ON R IGNITER. GROUNDED - YES. REMOVED AND REPLACED # 2 ENGINE IGNITER PLUGS REF. B737-9 AMM 74-21-02.SDR ASAA2023030842311Exciter · failedMAINT LIGHT ILLUMINATED ON TAXI IN. GROUNDED - YES. REMOVED AND REPLACED #2 ENGINE RIGHT IGNITION SYSTEM IGNITOR. REF AMM 74-21-02. NO FIX. REMOVED AND REPLACED RIGHT IGNITION SYSTEM EXCITER. (REF ASA LP 60003520)SDR ASAA2023030842293Exciter · failed#2 ENG FAILED TO START ON RT IGN, N2-33%. GROUNDED - YES. REMOVED AND REPLACED #2 ENGINE RIGHT IGNITION SYSTEM IGNITOR. REF B737-9 AMM 74-21-02. NO FIX. REMOVED AND REPLACED RIGHT IGNITION SYSTEM EXCITER. OPS CHECK GOOD. REF AMM 74-11-01.SDR ASAA2023030142195Igniter · faultyDURING #1 ENG START, IGN R DID NOT START ENGINE. GROUNDED - YES. REMOVED AND REPLACED ENG #1 RIGHT IGNITER IN REFERENCE WITH B737-9 AMM TASK 74-21-02.SDR ASAA2023030142194Igniter · faultyMAINT LIGHT ILLUMINATED UPON LANDING. GROUNDED - YES. REMOVED AND REPLACED ENG #1 RIGHT IGNITER IN REFERENCE WITH B737-9 AMM TASK 74-21-02. MAINT LIGHT EXTINGUISHED. SEE ASA L/P 60589759.SDR ASAA2023022342087Igniter · faulty#1 ENGINE WOULD NOT START WITH IGN 1, BUT STARTED NORMALLY WITH IGN 2. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE LEFT AND RIGHT IGNITER PLUGS REF ASA T/C N8474000.SDR ASAA2023022242043Igniter · inoperative3 ATTEMPTS #1 ENGINE HUNG START, GOOD N1 AND N2 ROTATION, GOOD FUEL FLOW, NO IGN RISE. GROUNDED - YES. REMOVED AND REPLACED L IGNITER PLUG #1 ENG OPS CHECK GOOD. PER B737-900 AMM 74-21-02.SDR ASAA2023021942027Igniter · inoperativeENG #1 DID NOT START WITH L IGN. GROUNDED - YES. REMOVED AND REPLACED LH IGNITER PER B737-800 AMM 74-21-02 OPS CHECK OK.SDR ASAA2023021642003Exciter · faulty#1 ENG HAS NO EGT RISE AFTER START LEVER TO IDLE WITH IGN R. #1 ENG STARTS OK WITH IGN L. GROUNDED - YES. REMOVED AND REPLACED MAIN IGNITER PLUG #1 ENGINE REFB737-800 AMM 74-21-02. OPS CHECK OOD. NO DEFECTS NOTED. REMOVED AND REPLACED #1 ENGINE TOP IGNITION ESDR ASAA2023020641883Igniter · unknownEEC FAULT ENG. 2. GROUNDED - YES. FOUND DEGRADATION OF THE L/H IGNITER PLUG TIP. REPLACED IGNITER REF B737-9 AMM 74-21-02.SDR ASAA2023013041722Unknown · unknownAMBER "MAINT" LIGHT ON OVERHEAD PANEL IS ILLUMINATED. GROUNDED - YES. STATUS HAS ENG 2 IGNITER R AND ENG 2 IGNITER L. COORELEATED FAULTS 71-09001 AND 71-09011 OMF HAS NO INPUT FROM ENG 1 EEC AND ENG 2 EEC.SET EEC1 AND 2 POWER TO ON. PER B737-9 IFIM G71-00-00-8SDR ASAA2022120741101Igniter · failedDURING CROSS BLEED START OF #2 ENG (RIGHT IGNITOR) #2 ENGINE FAILED TO START. N2 WAS STOPPED AT APPROX. 40-45%. GROUNDED - YES. PERFORMED IGN SYS AUDIBLE TEST REF B737-900 AMM 74-00-00-750-801-F00. OPS CHECK GOOD. SYSTEM TEST PASSED.SDR ASAA2022111540786Lead · crackedUPON ACCOMPLISHING ASA T/C N8474000 FOUND NO 2 ENG R/H SIDE IGNITER LEAD CERAMIC CRACKED. GROUNDED - YES. REMOVED AND REPLACED NO 2 ENG R/H SIDE IGNITER LEAD IAW B737-900 AMM 74-21-01. IGNITOR LEAD TEST PASSED OK FOR SVC.SDR ASAA2022082539678Igniter · faultyWHILE STARTING ENGINE #1 NO FUEL FLOW WITHIN 30 SEC. ON 2ND START ATTEMPT FUEL FLOW CAME UP NORMALLY AND DROPPED TO0 IN A FEW SECONDS. ON 3RD ATTEMPT USING IGN L ENGINE STARTED NORMALLY. STARTS 1+2 WERE ON IGN R. GROUNDED - YES. REMOVED & REPLACED IGNITER PLUGSDR ASAA2022072239192Igniter · wornWHILE PERFORMING BORO-INSPECTION ON #1 ENGINE FOUND MAIN IGNITER PLUG WORN. GROUNDED - YES. REMOVED AND REPLACED LEFT AND RIGHT MAIN INGNITER PLUGS ON #1 ENGINE. REF B737-800 AMM 74-21-02. OPS CHECK NORMAL.SDR ASAA2022072039196Ignition Sys · warning lightMAINT LIGHT ON OVERHEAD PANEL ILLUMINATED UPON LANDING. GROUNDED - YES. FOUND FAULTS FOR ENG1 AND ENG2 IGNITION LEFT RELEASED PER MEL 74-00-01B BOTH LT HAND IGN INOP. REPLACED IGNITION SWITCH S858 REF B737-9 WDM 74-31-11-1 PERFORMED EEC IGNITION TEST CHAN A+B SDR 2022FA0000319None · failedCRUISE FLIGHT FL 240, 25 HRS SINCE NEW CHAMPION IGNITION HARNESS, BLUE LABEL TCM/CAT BENDIX S6LN-1205 MAGNETO, AND CHAMPION RHB32E SPARK PLUGS AT ENGINE OVERHAUL (25 HRS TTSMOH OF ENGINE). IN CRUISE FLIGHT LOST 5 INCHES OF MP PRESSURE ON NEWLY OVERHAULED RH SDR ASAA2022060838623Igniter · inoperativeR IGN ON ENGINE #1 INOP. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE R IGNITER IAW B737-900 AMM 74-21-02.SDR ASAA2022053038529Igniter · failedNO EGT INCREASE OR FUEL FLOW WHILE STARTING ENGINE #1. GROUNDED - YES. REMOVED & REPLACED #1 ENG R/H IGNITER LEAD REF B737-9 AMM 74-21-01. EEC CHANNEL A & B IGNITION SYS TEST OPS NORMAL REF AMM 71-00-00 TEST 18 & 19. RAN #1 ENG R/H IGNITER SELECTED OPS NORMAL SDR ASAA2022052938501Igniter · inoperativeTWO ATTEMPTED STARTS OF NO. 2 ENGINE HAD NO LIGHT OFF. IGN R USED. GROUNDED - YES. REMOVED AND REPLACED RIGHT IGNITOR #2 ENGINE IAW B737-800 AMM 74-24-02. OPS CHECK GOOD.SDR ASAA2022052738500Igniter · damagedWHILE WORKING A T-101 FOR TRANSIT BLEED VALVE HARNESS CHANGE: FOUND LT & RT IGNITER LEAD COOLING TUBE (ORANGE) DISCONNECTED ON THE LT AND TORN ON THE RT. GROUNDED - YES. INSPECTED IGNITER LEADS FOR HEAT DAMAGE/TO INCLUDE IGNITER PLUG CONTACTOR. NO DEFECTS FOUNSDR ASAA2022052538499Igniter · failedAFTER PUSHBACK #1 ENGINE WOULD NOT START WITH IGNITION IN "IGN R" POSITION. GROUNDED - YES. REMOVED AND REPLACED R/H IGNITOR PLUG REF B737-900 AMM 74-21-02. REMOVED AND REPLACED R/H IGNITION LEAD REF AMM 74-21-01. PERFORMED IGNITION SYSTEM AUDIBLE TEST, BOTH LSDR ASAA2022050638229Boot · crackedWHILE PERFORMING T/C N8420001 FOUND IGNITOR BOOT CRACKED AT 6 O'CLOCK POSITION. GROUNDED - YES. REMOVED MATING PAD, SHROUD, AND HOSE CLAMPS REF B737-800 AMM 74-21-01. REPLACED IGNITOR LEAD COOLING BOOT. REINSTALLED MATING PAD, SHROUD, AND HOSE CLAMPS REF AMM 7SDR ASAA2022032937826Igniter · failed#1 ENGINE R IGNITION INOP. GROUNDED - YES. PERFORMED #1 ENGINE IGNITION SYSTEM AUDIBLE TEST PER B737-800 AMM 74-00-00-750-801-F01, RIGHT IGNITOR WEAK. REF B737-800 FIM 74-21 TASK 807 REMOVED RIGHT IGNITER PLUG ON ENG #1 AND FOUND FAILED IGNITER PLUG. REPLACED SDR ASAA2022032637796Lead · damaged#1 ENG L/H IGNITION LEAD DAMAGED. GROUNDED - YES. REMOVED AND REPLACED #1 ENG IGNITION LEAD REF B737-800 AMM 74-21-01 OPS TEST GOOD.SDR YENA2022032800317None · noneFLT#43, JFK-LGW. (ETOPS).' DURING THE START OF ENGINE 1, RECEIVED ENGINE START FAULT. NO IGNITION ON IGN A. ECAM/QRH COMPLIED WITH. TORCHING NOTED BY GROUND CREW ODOR NOTED FROM P ACKS AFTER START ATTEMPT; ACCOMPLISHED T/S IAW AMM 71-00-810-850-A SUSPECT IGN ASDR ASAA2022031737707Unknown · unknownMAINT CAUTION LIGHT ILLUMINATED ON OVERHEAD. GROUNDED - YES. FOUND MAINT STATUS MSG: ENG 2 IGNITER (R) & (L) ENG 1 IGNITER (R) & (L)- PERFORMED B737-9 IFIM TASK G74-20-00-810-802 MSG(S) ERASED, NO FAULTS NO MAINT LT CHECKS GOOD.SDR ASAA2022011637175Igniter · inoperativeDURING PRE-FLIGHT, OVERHEAD PANEL "MAINT" FOUND ILLUMINATED. GROUNDED - YES. REMOVED AND REPLACED #2 ENG R/H IGNITER PLUG REF B737-9 AMM 74-21-02. POWER PLANT TEST REF AMM 71-00-00. OPS TEST GOOD. MTX INHIBIT RESET.SDR ASAA2021101836349None · none#2 ENGINE WOULD NOT START ON LEFT IGNITER. GROUNDED - YES. REMOVED & REPLACED #2 ENGINE LEFT MAIN IGNITOR IAW B737-800 AMM 74-21-02. OPS CHECKED IAW AMM 74-00-00.OPS CHECK GOOD.SDR ASAA2021101636348Ignition Lead · faulty#2 ENGINE FAILED TO START ON LEFT IGNITION. GROUNDED - YES. PERFORMED #2 ENG L/H EXCITER REMOVAL AND INSTALLATION PER PHX TROUBLE SHOOTING. AUDIBLE TST OPS CHECK PASSED BUT ENG START FAILED. SWAPPED L/H AND R/H IGNITION LEADS FOR TROUBLE SHOOTING. FOUND L/H IGSDR ASAA2021033034486Ignition Lead · inoperative#2 ENGINE HAS HISTORY OF NO RIGHT IGNITION. ETOPS SIGNIFICANT SYSTEM. GROUNDED - YES. REMOVED AND REPLACED #2 ENG. R/H IGNITION LEAD REF. B737-900 AMM 74-21-01. PERFORMED IGNITION LEAD TEST REF. POWER PLANT TEST REFERENCE TABLE TASK 71-00-00-800-811-F00 TEST *
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