# Service difficulty reports: JASC 7400

A list on [JASC 7400](https://openairdocs.org/jasc/7400.md).

Reports filed under 7400 · Ignition System, newest first.

Page 1 of 5 · 249 reports

- [SDR SWAA2026100247358](https://openairdocs.org/sdr/SWAA2026100247358.md): Igniter · failed · Sep 28, 2026 · N7750A · Boeing 7377BD
  > NR 1 ENGINE FUEL FLOW, LI LIGHT OFF, LEFT IGNITION SELECTED NR 1 ENGINE FUEL FLOW LI LIGHT OFF LEFT IGNITION SELECTED 05 - OK TO CONTINUE PER MEL 74-1-02 XA. PERFORMED IGNITION SYSTEM AUDIBLE TEST PER AMM 74-00-00 NO AUDIBLE IGNITION ON L IGNITER ON CH A & CH
- [SDR YENA2026092100856](https://openairdocs.org/sdr/YENA2026092100856.md): Ignition Sys · faulted · Sep 19, 2026 · N2169J · Airbus A321271NX
  > FLT 1524, LAX-JFK. (ETOPS) ENG 2 IGN A FAULT ( IGNITION SYSTEMS SYSTEM A). R & R ENG NR 2 IGNITION A IAW AMM 74-21-01-400-801-A. OPS CHK OK.
- [SDR YENA2026090400727](https://openairdocs.org/sdr/YENA2026090400727.md): Ignition Sys · faulted · Sep 3, 2026 · N4073J · Airbus A321271NX
  > FLT 1407, JFK-CDG. (ETOPS) ENG 2 IGN B FAULT ( IGNITION SYSTEMS SYSTEM B). OPEN
- [SDR YENA2026082400700](https://openairdocs.org/sdr/YENA2026082400700.md): Ignition Sys · faulted · Aug 23, 2026 · N4073J · Airbus A321271NX
  > FLT# 331, BOS-MXP. (ETOPS) "ENG 2 IGN B FAULT ( IGNITION SYSTEMS SYSTEM B).
- [SDR 2026FA0000655](https://openairdocs.org/sdr/2026FA0000655.md): Ignition Switch · failed · Aug 19, 2026 · N205RC · Dhav DHC3
  > AUTO IGNTION SWITCH FAILURE. SWITCH FAILED INTERNALLY.
- [SDR SWAA2026071531528](https://openairdocs.org/sdr/SWAA2026071531528.md): Ignition Sys · faulted · Jul 5, 2026 · N8559Q · Boeing 7378H4
  > NR 1 ENGINE HAD IMPENDING HOT START INDICATION COUPLED WITH FUEL LIKE ODOR. FOUND NR 1 ENGINE LT IGNITION TO BE INOPERATIVE. NO EVIDENCE OF FUEL. OK TO CONTINUE IAW MEL 74-1-02, SP1 PERFORMED NR 1 ENGINE LT IGNITION TEST IAW AMM 74-00-00-750-801-F00 AND ENGIN
- [SDR YENA2026062200486](https://openairdocs.org/sdr/YENA2026062200486.md): Ignition Sys · faulted · Jun 21, 2026 · N2105J · Airbus A321271NX
  > FLT 1333, BOS-SFO. (ETOPS) DURING ENG 1 START IGN A FAULT ENG COMPLETED AUTOSTART ( IGNITION SYSTEMS SYSTEM A). PER TSM 74-00-00-810-831-A THIS IS A NUISANCE MESSAGE. PERFORMED SNAP TEST IAW AMM 74-10-00. MX4 UPDATED, PLACARD REMOVED.
- [SDR YENA2026061900484](https://openairdocs.org/sdr/YENA2026061900484.md): Ignition Sys · warning message · Jun 17, 2026 · N2165J · Airbus A321271NX
  > FLT 411, JFK-LAS. (ETOPS) ENGINE 1 IGNITION B FAULT (IGNITION SYSTEMS SYSTEM B). PERFORMED OPS CHK THROUGH CFDS IAW AMM 74-00-00-710-802-A. OPS CHK OK. MDDR CLEARED. MX-4 UPDATED.
- [SDR YENA2026051300453](https://openairdocs.org/sdr/YENA2026051300453.md): Warning Message · false indication · May 10, 2026 · N4058J · Airbus A321271NX
  > FLT #33, BOS-CDG,(ETOPS)ENG 1 START FAULT FOLLOWED BY ENG 1 IGN FAULT; RESET IGN SYS A AND PERFORMED SUCCESSFUL ENG 1 IGN A START. CONSIDERED NUISANCE. ETOPS GROUND VERIFICATION CW. AC OK FOR SVC REF TSM 74-00-00-710-139-A.
- [SDR YENA2026020200104](https://openairdocs.org/sdr/YENA2026020200104.md): Ignition Sys · faulted · Jan 31, 2026 · N4058J · Airbus A321271NX
  > FLT 523, JFK - LAX (ETOPS). ENG 2 IGN B FAULT, AFTER ENGINE STARTED ( IGNITION SYSTEMS B) SYSTEM B). R & R IGN B IN ENG NR 2 IAW AMM 74-21-01. OPS TESTED GOOD.
- [SDR YENA2025092300963](https://openairdocs.org/sdr/YENA2025092300963.md): Exciter · faulted · Sep 22, 2025 · N4080J · Airbus A321271NX
  > FLT#2289, AMS-JFK. (ETOPS) "ENG 2 IGN B FAULT ( IGNITION SYSTEMS B) SYSTEM B); (RESOLVED ON W/O: 1443473 TASKCARD: NR-00003) REMOVED AND REPLACED ENG 2 IGNITER B& R/R IGNITER B CABLE IAW AMM 74-21-61 OPS CHK GOOD MX-4 UPDATED, PLACARD REMOVED.
- [SDR YENA2025091800949](https://openairdocs.org/sdr/YENA2025091800949.md): Ignition Sys · faulted · Sep 17, 2025 · N2169J · Airbus A321271NX
  > FLT#354, DUB-JFK. (ETOPS) "ENG 1 IGN B FAULT ON START UP ( IGNITION SYSTEMS B) SYSTEM B); PERFORMED SINGLE ENGINE IDLE RUN PER AMM 72-00-00 ALL OPS CHK NORMA; NO CURRENT IGNITION FAULT MDDR CLEARED MX04 UPDATED PLACRD REMOVED.
- [SDR CALA2025081107570](https://openairdocs.org/sdr/CALA2025081107570.md): Sleeve · cut · Aug 9, 2025 · N75854 · Boeing 757324
  > FOUND CUT ON TEFLON SLEEVE ON NR 1 ENGINE LOCATED BETWEEN 6-7 O'CLOCK. FOUND NO DAMAGED TO KEVLAR WRAP. TEFLON SLEEVE TEAR IS MEASURED TO BE 20"X16". UNABLE TO PERFORM REPAIR DUE TO REMOVAL REQUIREMENTS OF COMPONENTS. DAMAGE IS OKAY TO CONTINUE AS LONG IT IS
- [SDR YENA2025060200552](https://openairdocs.org/sdr/YENA2025060200552.md): Ignition Sys · faulted · Jun 1, 2025 · N4076J · Airbus A321271NX
  > FLT#2288, JFK-AMS. (ETOPS) 'ENG 2 IGN B FAULT ( IGNITION SYSTEMS B) SYSTEM B).' (SUPPLEMENTAL INFORMATION TO FOLLOW)
- [SDR YENA2025052100526](https://openairdocs.org/sdr/YENA2025052100526.md): Ignition Sys · faulted · May 21, 2025 · N4076J · Airbus A321271NX
  > FLT#1333, BOS-SFO. (ETOPS). 'ENG 2 IGN B FAULT ( IGNITION SYSTEMS B) SYSTEM B); FOLLOWED TSM 74-00-00-810-832-A STARTED ENG #2 TWICE NO DEFECTS NOTED, THIS CLEARS MDDR #583121, MX4 UPDATED, PLACARD REMOVED.
- [SDR ABXA20250515096](https://openairdocs.org/sdr/ABXA20250515096.md): Egt Indication · reads high · May 15, 2025 · N650GT · Boeing 767231
  > ON TAXI OUT, ATTEMPTED NORMAL START ON LEFT ENG, EGT WAS HIGH. ABORTED START. ACCOMPLISHED QRH PROCEDURE. SECOND ATTEMPT WAS HIGH EGT AND ABORTED. NO EXCEEDANCE OF EGT. AIRCRAFT RETURNED TO BLOCKS (BTB). MAINTENANCE PERFORMED IGNITION SYSTEM AUDIBLE TEST IAW
- [SDR CALA2025041703927](https://openairdocs.org/sdr/CALA2025041703927.md): Ignition Sys · inoperative · Apr 17, 2025 · N34460 · Boeing 737924ER
  > ENG 2 FAIL TO START SRONG FUEL SMELL MOTOR ENG SECOND ATTEMPT UN SUCCES REQUEST MEL 7401G. IGNITION 2 FAULTY. MX MSG 74-30962. IGNITION EXCITER LEFT/RIGHT POWER SUPPLY CABLES HAVE BEEN SWAPPED. WHEN CLEARING THIS MEL ITEM, ENSURE IGNITION EXCITER LEFT/RIGHT PO
- [SDR QR9R2024120300001](https://openairdocs.org/sdr/QR9R2024120300001.md): Solenoid Valve · failed · Dec 3, 2024 · Bolkms BK117C2
  > #1 ENGINE WOULD NOT IGNITE IN 3 ATTEMPTS. NO RISE IN TGT IN ALL 3 ATTEMPTS. SWAPPED #1 AND #2 ENGINE IGNITION SOLENOID VALVES IAW SAFRAN ARRIEL 1 MANUAL 73-14-20-900-801-A01. PROBLEM FOLLOWED IGNITION SOLENOID VALVE TO THE #2 ENGINE. REMOVED AND REPLACED SOLEN
- [SDR YENA2024100701333](https://openairdocs.org/sdr/YENA2024100701333.md): Ignition Sys · faulted · Oct 4, 2024 · N4076J · Airbus A321271N
  > FLT#1620, BOS-LHR. (ETOPS) 'ENG 2 IGN B FAULT ( IGNITION SYSTEMS B) SYSTEM B); REMOVED & REPLACED ENG #2 IGNITION B IAW AMM 74-31-02 OPS CHECK GOOD MX-4 UPDATED, PLACARD REMOVED.
- [SDR YENA2024082601171](https://openairdocs.org/sdr/YENA2024082601171.md): Ignition Sys · no discrepancy · Aug 24, 2024 · N4062J · Airbus A321271N
  > FLT#33, BOS-CDG. (ETOPS) 'ENG 2 IGN B FAULT ( IGNITION SYSTEMS B) SYSTEM B); PERFORMED OPERATIONAL TEST OF FADEC 2 CHANNEL A AND B, NO FAULTS NOTED.
- [SDR CALA2024080600376](https://openairdocs.org/sdr/CALA2024080600376.md): Relay · failed · Aug 5, 2024 · N209UA · Boeing 777222
  > ENG IGNITOR R2 STATUS MSG AWAITING TOMC APRVL TO DEF R ENG IGNITOR 2 PER MEL 7400D M-PROCEDURE C/W PLACARD INSTALLED TOMC APPROVES MEL 7400D DEF. RT ENG NBR 2 IGNITOR INOP PER MEL 7400D M-PROCEDURE C/W PLACARD INSTALLED *DM* REF. AIPC 74-11-21-02-01 ITEM 5 ADD
- [SDR 2024FA0000449](https://openairdocs.org/sdr/2024FA0000449.md): Ignition Sys · faulted · Jun 14, 2024 · N9372S · Beech B24R
  > SUREFLY SIM PRODUCED WHAT SOUNDED LIKE AND FELT LIKE DETONATION IN THE PHASE OF FLIGHT FROM CLIMB TO CRUISE WHEN PROP RPM WAS REDUCED. INFLIGHT TESTING SHOWED DRAMATIC TEMP DROP IN EGT IN CYLINDERS 3 AND 4 WHEN SUREFLY WAS SELECTED ONLY. SUREFLY SIM OPERATED
- [SDR 8HBR20240520062](https://openairdocs.org/sdr/8HBR20240520062.md): Ignition Unit · failed · May 19, 2024 · N4056V · Robsin R44
  > PILOTS REPORTED A ROUGH ENGINE RUNNING ON THE LEFT IGNITION UNIT (EIS). IT WAS DETERMINED THE EIS UNIT HAS FAILED. THIS IS THE SECOND EIS IGNITION UNIT TO FAIL ON THIS AIRCRAFT.
- [SDR 2024FA0000244](https://openairdocs.org/sdr/2024FA0000244.md): Ignition Switch · worn · Mar 21, 2024 · N655DS · Diamon DA40
  > DIFFICULTY TURNING KEY BETWEEN POSITIONS AND DIFFICULTY REMOVING KEY FROM SWITCH.
- [SDR NACA2024022900001](https://openairdocs.org/sdr/NACA2024022900001.md): Engine · inoperative · Feb 29, 2024 · N399CM · Boeing 767323
  > MI@1150Z KMIA NO IGNITION ON R ENG START ATTEMPT, R IGNITOR SELECTED. DEFERRED PER MEL 74-00-01B ON 2-29-24@1205Z.
- [SDR QR9R2024022200001](https://openairdocs.org/sdr/QR9R2024022200001.md): Solenoid Valve · failed · Feb 22, 2024 · Bolkms BK117C2
  > #1 ENGINE FAILED TO START. IGNITION SOLENOID VALVES SWAPPED FROM ENGINE TO ENGINE. PROBLEM FOLLOWED IGNITION SOLENOID VALVE. REMOVED AND REPLACED #1 ENGINE IGNITION SOLENOID IAW AMM 73-14-20-900-801-A01.
- [SDR 2024FA0000183](https://openairdocs.org/sdr/2024FA0000183.md): Ecu · failed · Feb 21, 2024 · N542BL · Diamon DA42NG
  > LEFT ENGINE HAS CONTINUED TO HAVE ECU FAILS RELATED TO "PROP SELF TEST FAIL". THE PROP GOV HAS BEEN REPLACED 10 TIMES IN 366HRS. EACH TIME IT IS REPLACED IT FIXES THE ISSUE FOR SEVERAL DAYS BUT THEN COMES BACK AGAIN. THE ENGINE HARNESS HAS BEEN REPLACED, THE E
- [SDR YENA2024011100031](https://openairdocs.org/sdr/YENA2024011100031.md): Unknown · unknown · Jan 9, 2024 · N2156J · Airbus A321271N
  > FLT#1124, LAX-JFK. (ETOPS) 'ENG 1 IGN B FAULT. AFTER NUMBER 1 ENGINE START; REMOVED AND REPLACED ENG #1 IGN B PLUG IAW AMM 74-21-01. OPS CHECK GOOD. THIS CLEAR MDDR 535016. MX-4 UPDATED. PLACARD REMOVED. MCC NOTIFIED.' ( IGNITION SYSTEMS B) SYSTEM B).
- [SDR QR9R2023112900001](https://openairdocs.org/sdr/QR9R2023112900001.md): Solenoid Valve · failed · Nov 29, 2023 · Bolkms BK117C2
  > DURING START RUN-UP, ENGINE #2 DID NOT START AFTER 3 ATTEMPTS; TOT DID NOT RISE. REMOVED AND REPLACED IGNITION SOLENOID VALVE IAW ARRIEL E2 73-14-20-900-801-A01. TEST PILOT MOC COMPLETED; ENGINE STARTED NORMALLY.
- [SDR YENA2023112001437](https://openairdocs.org/sdr/YENA2023112001437.md): Unknown · unknown · Nov 20, 2023 · N4048J · Airbus A321271N
  > FLT#1124, LAX-JFK. (ETOPS) ENG 1 IGNITION A FAULT AFTER ENGINE START ( IGNITION SYSTEMS A) SYSTEM A). REMOVED AND REPLACED ENG 1 IGNITER "A" IRW AMM PW1000G-C-74-21-01. OPS CHECK SUCCESSFUL. PLACARD REMOVED. MX-4 UPDATED.
- [SDR ASAA2023100645473](https://openairdocs.org/sdr/ASAA2023100645473.md): Unknown · unknown · Oct 6, 2023 · N941AK · Boeing 7379
  > #2 ENGINE WON'T START WITH IGNITION ON R. GROUNDED - YES. C/O BITE TEST OF SYSTEM A AND SYSTEM B CHANNELS ENG #2 WAS NOT ABLE TO DUPLICATE FAULT C/O ENGINE START WITH IGNITION SET ON (R) IGNITER, ENGINE START NORMAL.
- [SDR ASAA2023092645333](https://openairdocs.org/sdr/ASAA2023092645333.md): Unknown · unknown · Sep 26, 2023 · N954AK · Boeing 7379
  > OVERHEAD MAINT LIGHT ILLUMINATED. GROUNDED - YES. OPS TEST CHANNEL B IGNITION SYSTEM, ENG #2 IGNITION TEST PASSED PER B737-9 AMM 71-00-00-730-805-G00.
- [SDR ASAA2023092245243](https://openairdocs.org/sdr/ASAA2023092245243.md): Unknown · unknown · Sep 22, 2023 · N954AK · Boeing 7379
  > MAINT LIGHT ILLUMINATED ON LANDING. GROUNDED - YES. CLEARED "ENG 2 IGNITER R" MSG PER G74-20-00-810-804 IFIM TASK. NO FURTHER STATUS MSG NOTED. CLEARED MAINT LIGHT.
- [SDR ASAA2023092245242](https://openairdocs.org/sdr/ASAA2023092245242.md): Unknown · unknown · Sep 22, 2023 · N569AS · Boeing 737890
  > #1 ENG L/H IGNITOR LEAD WORN THROUGH SHEATHING. GROUNDED - YES. (RESOLVED ON W/O: 1968911 TASKCARD: N/R-00006) PERFORMED IGNITION SYSTEM AUDIBLE TEST. OPS CK GOOD. NO DEFECTS FOUND. IAW AMM 74-00-00-750-801-F00 THIS CLEARS MEL 74-1C SEAMC NOTIFIED.PLACARD REM
- [SDR ASAA2023092145231](https://openairdocs.org/sdr/ASAA2023092145231.md): Unknown · unknown · Sep 21, 2023 · N978AK · Boeing 7379
  > ABORTED #1 ENG START. NEGATIVE LIGHT OFF. GROUNDED - YES. (RESOLVED ON W/O: 1968805 TASKCARD: N/R-00014) REVERSED MEL CONFIGURATION CHANGES. ACCOMPLISHED IFIM G74-00-00-810-839 AND EEC CHANNEL A IGNITION SYSTEM TEST PPER AMM G71-00-00-730-804-G00. TEST PASSED
- [SDR ASAA2023092045232](https://openairdocs.org/sdr/ASAA2023092045232.md): Unknown · unknown · Sep 20, 2023 · N936AK · Boeing 7379
  > WHILE STARTING #2, NO LIGHT OFF AFTER 3 ATTEMPTS IGN L. GROUNDED - YES. (RESOLVED ON W/O: 1970426 TASKCARD: N/R-00001) FOUND FAULT CODE 74-42493 IN HISTORY WITH NO CORRELATED FAULTS. TROUBLE SHOT PER IFIM974-00-00-810-823 FAULT WAS NOT ACTIVE OR LATCHED. PERF
- [SDR 2023FA0000528](https://openairdocs.org/sdr/2023FA0000528.md): Unknown · unknown · Sep 8, 2023 · N792A · Piper PA28181
  > PILOT REPORTS THAT THE INITIAL MAGNETO CHECK, THE ENGINE WAS RUNNING ROUGH, ON SECOND MAGNETO CHECK ENGINE SMOOTH OUT. ON TAKE OFF THE ENGINE POWER FLUCTUATED AND AIRCRAFT DID NOT MAKE POWER. PILOT ABORTED TAKE-OFF. WE PERFORMED A VISUAL INSPECTION OF THE ENGI
- [SDR ASAA2023083144899](https://openairdocs.org/sdr/ASAA2023083144899.md): Unknown · unknown · Aug 31, 2023 · N559AS · Boeing 737890
  > ON START ENGINE #1 WOULD NOT LIGHT OFF. FUEL FLOW INITIALLY STARTED AND THEN WENT TO 0. GROUNDED - YES. COMPLIED WITH FIM 74-21 TASK 806. VERIFIED NO RECENT FAULTS OR EXISTING FAULTS IN FAULT HISTORY. PERFORMED AUDIBLE TEST FOR #1 ENGINE AS INSTRUCTED IN FIM,
- [SDR ASAA2023083044861](https://openairdocs.org/sdr/ASAA2023083044861.md): Unknown · unknown · Aug 30, 2023 · N963AK · Boeing 7379
  > MAINT LT ILLUMINATED AFTER TOUCHDOWN. GROUNDED - YES. FOUND FDE ENG 1 IGNITER L WITH ACTIVE STATUS AND FAULT CODE 742 101 51. FOUND NO CORRELATED FAULTS. PERFORMED FIM TASK G74-20-00-810-801 WITH TEST 18 "EEC CHANNEL A IGNITION SYSTEM TEST" AND TEST 19 "EEC CH
- [SDR ASAA2023082944898](https://openairdocs.org/sdr/ASAA2023082944898.md): Unknown · unknown · Aug 29, 2023 · N953AK · Boeing 7379
  > ENG #2 NO LIGHT OFF. GROUNDED - YES. PER IFIM TASK G74-00-00-810-824. PERFORMED EEC CHANNEL B IGNITION SYSTEM TEST. REF AMM TASK G71-00-00-730-805-G00. OPS CHECK GOOD. NO DEFECTS NOTED. CLEARS MEL, SEAMC CARL NOTIFIED.
- [SDR ASAA2023082944862](https://openairdocs.org/sdr/ASAA2023082944862.md): Unknown · unknown · Aug 29, 2023 · N954AK · Boeing 7379
  > MAINT CAUTION LIGHT ILLUMINATED AFTER LANDING. GROUNDED - YES. REF MEL 74-00-01C FOR #1 ENG R IGNITION SYSTEM 60643132. FOUND STATUS NOT INHIBITED. ACCOMPLISHED INHIBIT MAINT LIGHT REF MEL SECTION 1A. VERIFIED MAINT LIGHT EXTINGUISHED. AC OK FOR SERIVCE. MCSEA
- [SDR ASAA2023072744281](https://openairdocs.org/sdr/ASAA2023072744281.md): Unknown · unknown · Jul 27, 2023 · N942AK · Boeing 7379
  > AFTER LANDING MAINT LIGHT ILLUMINATED. GROUNDED - YES. (RESOLVED ON W/O: 1961265 TASKCARD: N/R-00004) REVERSED MAINTENANCE PROCEDURES. FOUND FAULT CODE 74-42543. TROUBLESHOT PER IFIM G74-00-00-810-841. PERFORMED ENGINE 2 EEC IGNITION SYSTEM TEST REF AMM 71-00
- [SDR YENA2023072800875](https://openairdocs.org/sdr/YENA2023072800875.md): Unknown · unknown · Jul 24, 2023 · N2142J · Airbus A321271N
  > FLT#287, BOS-LAX. (ETOPS) 'ENG 2 IGN B ( IGNITION SYSTEMS - SYSTEM B). REPLACED ENG 2 IGN B IGNIER REF 74-21-41. MX-4 UPDATED. PLACARD REMOVED. ER GROUND VERIFICATION ON LP 3694949 (PERFORMED ER GROUND VERIFICATION OF ENG 2 IGNITION B REF AMM 71-00-00. START
- [SDR HALA2023071200143](https://openairdocs.org/sdr/HALA2023071200143.md): Unknown · unknown · Jul 11, 2023 · N230HA · Airbus A321271N
  > ETOPS - WHILE PERFORMING BORESCOPE, FOUND #2 IGNITER PLUG WORN. REMOVED AND REPLACED #2 IGNITER PLUG PER AMM 74-21-01. OPS CHECK GOOD, OK FOR SERVICE.
- [SDR NACA2023061900001](https://openairdocs.org/sdr/NACA2023061900001.md): Unknown · unknown · Jun 19, 2023 · N379CX · Boeing 767323
  > LH AND RH IGNITORS FOUND INOP DURING #2 ENGINE BORESCOPE INSPECTION. BOTH IGNITOR PLUGS #2 ENGINE REPLACED PER AMM 74-21-02 OPS CHECK GOOD.
- [SDR ASAA2023060843539](https://openairdocs.org/sdr/ASAA2023060843539.md): Unknown · unknown · Jun 8, 2023 · N963AK · Boeing 7379
  > MAINT LIGHT ON OVERHEAD PANEL ON AFTER LANDING. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023060543491](https://openairdocs.org/sdr/ASAA2023060543491.md): Exciter · faulty · Jun 5, 2023 · N978AK · Boeing 7379
  > NEGATIVE IGNITION ON #2 ENGINE START. VERY LOW FUEL FLOW WHEN START LEVER RAISED TO IDLE (.26) THEN WENT TO ZERO. GROUNDED - YES. REMOVED AND REPLACED R IGNTION EXCITER IAW B737-9 AMM 74-11-01-400-02-GOO REMOVED AND REPLACED R IGNITER PLUG IAW AMM 74-21-02/401
- [SDR YENA2023051900546](https://openairdocs.org/sdr/YENA2023051900546.md): Unknown · unknown · May 19, 2023 · N4048J · Airbus A321271N
  > FLT#1107, JFK-LHR. (ETOPS) 'ON 2 ENGINE START DURING TAXI OUT RC'VD ENG 2 IGN A FAULT ENGINE STARTED WITH AUTO MOTORING; REPLACED #2 ENG IGNITER "A" (UPPER) IAW AMM 74-21-01. IDLE RUN PERFORMED OPS CHECK GOOD. A/C OK FOR SVC.'
- [SDR YENA2023005020488](https://openairdocs.org/sdr/YENA2023005020488.md): Unknown · unknown · Apr 29, 2023 · N4022J · Airbus A321271N
  > FLT#44, LGW-JFK. (ETOPS) ' ENG 1 IGNITION B INOP ( IGNITION SYSTEMS - SYSTEM B); REMOVED AND RELACED ENG 1 IGN B IGNITOR IAW PW MM 74-21-61. THE OPS CHECK IS GOOD. NO FURTHER DEFECTS NOTED AT THIS TIME. MDDR CLEARED. MX-4 UPDATED. PLACARD REMOVED. MCC NOTIFIE
- [SDR 2023FA0000207](https://openairdocs.org/sdr/2023FA0000207.md): Unknown · unknown · Apr 12, 2023
  > THE MAGNETO'S IMPULSE COUPLING HAS LOOSE RIVETS AND THE MAGNETO SERIAL RANGE IS OUTSIDE OF SERVICE BULLETIN SB2-19A.

Next page: https://openairdocs.org/jasc/7400/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 = '7400'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/jasc/7400/reports

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.