# SDR SWAA2025060277156

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 31, 2025
- Submitted: June 2, 2025
- Operation: Air carrier
- Aircraft: [N462WN](https://openairdocs.org/aircraft/N462WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32466
- Aircraft time: 69,310 hours, 41,435 cycles
- Engine: Cfmint CFM567B242
- System (JASC): [7421 · Spark Plug/Igniter](https://openairdocs.org/jasc/7421)
- Part: Exciter
- Condition: Inoperative
- Location: Zone 400
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2025060277156

## Discrepancy

ABORTED ENGINE START #1 DUE TO NO LIGHT OFF ON THIRD ATTEMPT; CABIN CREW (F.O.) NOTED FIREBALL AND SMOKE IN TAILPIPE INSPECTED #1 ENGINE PER FIM 71-05 TASK 811 NO FAULTS NOTED. PERFORMED #1 EEC BITE PER AMM 73-21-00 TEST PASSED. LEFT IGNITION INOP OK TO CONTINUE PER MEL 74-1-02 SP#1 <[01].  INSPECTED #1 ENGINE PER FIM 71-05 TASK 811; NO FAULTS NOTED. PERFORMED #1 EEC BITE PER AMM 73-21-00; TEST PASSED. LEFT IGNITION INOP #1 ENGINE. OK TO CONTINUE PER MEL 74-1-02 SP#1; [02] REMOVED AND REPLACED L/H MAIN IGNITER PLUG PER AMM 74-21-02 NO FIX.REMOVED AND REPLACED L/H IGNITION LEADS PER AMM 74-21-01 NO FIX.REMOVED AND REPLACED L/H IGNITION EXCITER PER AMM 74-11-01 OPS CHK GOOD.

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