# SDR ABXA20260506190

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 6, 2026
- Submitted: May 7, 2026
- Operation: Air carrier
- Aircraft: [N317CM](https://openairdocs.org/aircraft/N317CM), registered now
- Make and model: Boeing 767338
- Aircraft serial: 24317
- Aircraft time: 114,520 hours, 34,107 cycles
- System (JASC): [2697 · Fire Protection System Wiring](https://openairdocs.org/jasc/2697)
- Part: Circuit Card
- Part number: 644501
- Condition: Faulted
- Location: Zone 100
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ABXA20260506190

## Discrepancy

MTC PERFORMED F/U-SWAP M681 AND M682 LH ENG FIRE DETECT CARDS AND LEAVE SWAPPED FOR EVALUATUION. SWAPPED CARDS M681 AND M682 IAW AMM 26-10-01 OPS CK GOOD. A/C REMAIN NO ETOPS. A/C RETURNED TO SERVICE.

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