# Service difficulty reports: JASC 7420

A list on [JASC 7420](https://openairdocs.org/jasc/7420.md).

Reports filed under 7420 · Ignition Harness (Distribution), newest first.

Page 1 of 5 · 213 reports

- [SDR DALA2026092405344](https://openairdocs.org/sdr/DALA2026092405344.md): Ignition Lead · arced · Sep 20, 2026 · N327DU · Airbus BD5001A11
  > WHILE 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 8HBR20260215075](https://openairdocs.org/sdr/8HBR20260215075.md): Ignition Lead · damaged · Jan 28, 2026 · N95606 · Cessna 152
  > A 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 8HBR20260215076](https://openairdocs.org/sdr/8HBR20260215076.md): Ignition Lead · damaged · Jan 15, 2026 · N49194 · Cessna 152
  > DURING 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 YENA2025111301103](https://openairdocs.org/sdr/YENA2025111301103.md): Ignition Sys · faulted · Nov 13, 2025 · N4058J · Airbus A321271NX
  > FLT 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: P772351
- [SDR I5PA2025091768801](https://openairdocs.org/sdr/I5PA2025091768801.md): Ignition Lead · damaged · Sep 17, 2025 · N688SL · Boeing 757230
  > RIGHT ENGINE IGNITION SYSTEM 1 INOP. PERFORMED FIM, FOUND SYSTEM 1 IGNITION LEAD DAMAGED. REPLACED IGNITION LEAD PER APPLICABLE AMM.
- [SDR I5PA2025041619301](https://openairdocs.org/sdr/I5PA2025041619301.md): Ignition Lead · inoperative · Apr 16, 2025 · N193AN · Boeing 757223
  > FLT 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 I5PA2025022519306](https://openairdocs.org/sdr/I5PA2025022519306.md): Ignition Lead · worn · Feb 25, 2025 · N193AN · Boeing 757223
  > FLT NO: N/A (MX INSP) ESI - LEFT ENG SLOW TO START. R/R LH ENG #2 IGNITION LEAD. OPS CHECK GOOD.
- [SDR I5PA2024020675701](https://openairdocs.org/sdr/I5PA2024020675701.md): Ignition Lead · failed · Feb 6, 2024 · N757QM · Boeing 75729J
  > FLT 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 HALA20231030238](https://openairdocs.org/sdr/HALA20231030238.md): Unknown · unknown · Oct 29, 2023 · N204HA · Airbus A321271N
  > ETOPS - 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 ASAA2023082044727](https://openairdocs.org/sdr/ASAA2023082044727.md): Ignition Lead · inoperative · Aug 20, 2023 · N408AS · Boeing 737900ER
  > ENGINE #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 ASAA2023081444611](https://openairdocs.org/sdr/ASAA2023081444611.md): Unknown · unknown · Aug 14, 2023 · N946AK · Boeing 7379
  > "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 T
- [SDR ASAA2023081344551](https://openairdocs.org/sdr/ASAA2023081344551.md): Unknown · unknown · Aug 13, 2023 · N960AK · Boeing 7379
  > DURING #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 SYST
- [SDR ASAA2023071644083](https://openairdocs.org/sdr/ASAA2023071644083.md): Igniter · failed · Jul 16, 2023 · N946AK · Boeing 7379
  > #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 IGN
- [SDR ASAA2023043043068](https://openairdocs.org/sdr/ASAA2023043043068.md): Igniter · damaged · Apr 30, 2023 · N562AS · Boeing 737890
  > NO "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 ASAA2023042242976](https://openairdocs.org/sdr/ASAA2023042242976.md): Igniter · faulty · Apr 22, 2023 · N979AK · Boeing 7379
  > CREW 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 NACA2023041000001](https://openairdocs.org/sdr/NACA2023041000001.md): Unknown · unknown · Apr 10, 2023 · N379CX · Boeing 767323
  > RIGHT 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 ASAA2023040242743](https://openairdocs.org/sdr/ASAA2023040242743.md): Unknown · unknown · Apr 2, 2023 · N932AK · Boeing 7379
  > CONT 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 21-61-0
- [SDR ASAA2023040142679](https://openairdocs.org/sdr/ASAA2023040142679.md): Exciter · inoperative · Apr 1, 2023 · N531AS · Boeing 737890
  > NO 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 ASAA2023032942636](https://openairdocs.org/sdr/ASAA2023032942636.md): Igniter · damaged · Mar 29, 2023 · N532AS · Boeing 737890
  > L IGNITER ON #2 ENG FAILED. GROUNDED - YES. FOUND LH IGNITER DAMAGED. REMOVED AND REPLACED AND TESTED GOOD REF AMM 74-21-02.
- [SDR ASAA2023032042500](https://openairdocs.org/sdr/ASAA2023032042500.md): Igniter · failed · Mar 20, 2023 · N934AK · Boeing 7379
  > #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 ASAA2023030842311](https://openairdocs.org/sdr/ASAA2023030842311.md): Exciter · failed · Mar 8, 2023 · N941AK · Boeing 7379
  > MAINT 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 ASAA2023030842293](https://openairdocs.org/sdr/ASAA2023030842293.md): Exciter · failed · Mar 8, 2023 · N941AK · Boeing 7379
  > #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 ASAA2023030142195](https://openairdocs.org/sdr/ASAA2023030142195.md): Igniter · faulty · Mar 1, 2023 · N952AK · Boeing 7379
  > DURING #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 ASAA2023030142194](https://openairdocs.org/sdr/ASAA2023030142194.md): Igniter · faulty · Mar 1, 2023 · N952AK · Boeing 7379
  > MAINT 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 ASAA2023022342087](https://openairdocs.org/sdr/ASAA2023022342087.md): Igniter · faulty · Feb 23, 2023 · N516AS · Boeing 737890
  > #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 ASAA2023022242043](https://openairdocs.org/sdr/ASAA2023022242043.md): Igniter · inoperative · Feb 22, 2023 · N428AS · Boeing 737990ER
  > 3 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 ASAA2023021942027](https://openairdocs.org/sdr/ASAA2023021942027.md): Igniter · inoperative · Feb 19, 2023 · N516AS · Boeing 737890
  > ENG #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 ASAA2023021642003](https://openairdocs.org/sdr/ASAA2023021642003.md): Exciter · faulty · Feb 16, 2023 · N536AS · Boeing 737890
  > #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 E
- [SDR ASAA2023020641883](https://openairdocs.org/sdr/ASAA2023020641883.md): Igniter · unknown · Feb 6, 2023 · N933AK · Boeing 7379
  > EEC FAULT ENG. 2. GROUNDED - YES. FOUND DEGRADATION OF THE L/H IGNITER PLUG TIP. REPLACED IGNITER REF B737-9 AMM 74-21-02.
- [SDR ASAA2023013041722](https://openairdocs.org/sdr/ASAA2023013041722.md): Unknown · unknown · Jan 30, 2023 · N955AK · Boeing 7379
  > AMBER "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 G71-00-00-8
- [SDR ASAA2022120741101](https://openairdocs.org/sdr/ASAA2022120741101.md): Igniter · failed · Dec 7, 2022 · N461AS · Boeing 737990ER
  > DURING 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 ASAA2022111540786](https://openairdocs.org/sdr/ASAA2022111540786.md): Lead · cracked · Nov 15, 2022 · N469AS · Boeing 737990ER
  > UPON 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 ASAA2022082539678](https://openairdocs.org/sdr/ASAA2022082539678.md): Igniter · faulty · Aug 25, 2022 · N584AS · Boeing 737890
  > WHILE 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 PLUG
- [SDR ASAA2022072239192](https://openairdocs.org/sdr/ASAA2022072239192.md): Igniter · worn · Jul 22, 2022 · N569AS · Boeing 737890
  > WHILE 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 ASAA2022072039196](https://openairdocs.org/sdr/ASAA2022072039196.md): Ignition Sys · warning light · Jul 20, 2022 · N291BT · Boeing 7379
  > MAINT 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 2022FA0000319](https://openairdocs.org/sdr/2022FA0000319.md): None · failed · Jun 24, 2022 · N678D · Cessna 421B
  > CRUISE 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 ASAA2022060838623](https://openairdocs.org/sdr/ASAA2022060838623.md): Igniter · inoperative · Jun 8, 2022 · N457AS · Boeing 737990ER
  > R IGN ON ENGINE #1 INOP. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE R IGNITER IAW B737-900 AMM 74-21-02.
- [SDR ASAA2022053038529](https://openairdocs.org/sdr/ASAA2022053038529.md): Igniter · failed · May 30, 2022 · N920AK · Boeing 7379
  > NO 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 ASAA2022052938501](https://openairdocs.org/sdr/ASAA2022052938501.md): Igniter · inoperative · May 29, 2022 · N558AS · Boeing 737890
  > TWO 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 ASAA2022052738500](https://openairdocs.org/sdr/ASAA2022052738500.md): Igniter · damaged · May 27, 2022 · N587AS · Boeing 737890
  > WHILE 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 FOUN
- [SDR ASAA2022052538499](https://openairdocs.org/sdr/ASAA2022052538499.md): Igniter · failed · May 25, 2022 · N428AS · Boeing 737990ER
  > AFTER 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 L
- [SDR ASAA2022050638229](https://openairdocs.org/sdr/ASAA2022050638229.md): Boot · cracked · May 6, 2022 · N581AS · Boeing 737890
  > WHILE 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 7
- [SDR ASAA2022032937826](https://openairdocs.org/sdr/ASAA2022032937826.md): Igniter · failed · Mar 29, 2022 · N562AS · Boeing 737890
  > #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 ASAA2022032637796](https://openairdocs.org/sdr/ASAA2022032637796.md): Lead · damaged · Mar 26, 2022 · N583AS · Boeing 737890
  > #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 YENA2022032800317](https://openairdocs.org/sdr/YENA2022032800317.md): None · none · Mar 25, 2022 · N4022J · Airbus A321271N
  > FLT#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 A
- [SDR ASAA2022031737707](https://openairdocs.org/sdr/ASAA2022031737707.md): Unknown · unknown · Mar 17, 2022 · N291BT · Boeing 7379
  > MAINT 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 ASAA2022011637175](https://openairdocs.org/sdr/ASAA2022011637175.md): Igniter · inoperative · Jan 16, 2022 · N929AK · Boeing 7379
  > DURING 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 ASAA2021101836349](https://openairdocs.org/sdr/ASAA2021101836349.md): None · none · Oct 18, 2021 · N562AS · Boeing 737890
  > #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 ASAA2021101636348](https://openairdocs.org/sdr/ASAA2021101636348.md): Ignition Lead · faulty · Oct 16, 2021 · N461AS · Boeing 737990ER
  > #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 IG
- [SDR ASAA2021033034486](https://openairdocs.org/sdr/ASAA2021033034486.md): Ignition Lead · inoperative · Mar 30, 2021 · N459AS · Boeing 737990ER
  > #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 *

Next page: https://openairdocs.org/jasc/7420/reports.md?page=2

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
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
```

This list as a web page: https://openairdocs.org/jasc/7420/reports

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