# SDR ABXA20260722331

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 22, 2026
- Submitted: July 22, 2026
- Operation: Air carrier
- Aircraft: [N391CM](https://openairdocs.org/aircraft/N391CM), registered now
- Make and model: Boeing 767381
- Aircraft serial: 32975
- Aircraft time: 60,432 hours, 24,701 cycles
- Engine: Ge CF680C2B6F
- System (JASC): [7412 · Exciter](https://openairdocs.org/jasc/7412)
- Part: Exciter
- Part number: 106310453
- Part serial: UNJVY514
- Condition: Defective
- Location: Lt Engine
- Part time: 6,861 hours, 2,526 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ABXA20260722331

## Discrepancy

ON PUSH BACK & START LEFT ENG IGNITOR 1 & 2 FAILED. CREW RETURNED TO THE GATE (BTB). T/S LEFT ENG IGNITION SYS IAW FIM 74-00 F/T 809 AND SSM 74-31-01, REMOVED AND REPLACED LEFT ENG #2 EXCITER BOX PER AMM 74-11-01. SYS CKS NORMAL PER AMM 74-00-00 AUDIBLE TEST VERIFIED  #1 & #2  ING SYS BY ISOLATING EACH SYS. ENGINE RUN CKS NORMAL FOR #1 & #2 IGNITION. A/C REMAINS NO ETOPS. A/C RETURNED TO SERVICE.

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