# SDR ASAA2022120141006

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 1, 2022
- Submitted: December 12, 2022
- Operation: Air carrier
- Aircraft: [N566AS](https://openairdocs.org/aircraft/N566AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35182
- Aircraft time: 57,848 hours, 17,076 cycles
- System (JASC): [2697 · Fire Protection System Wiring](https://openairdocs.org/jasc/2697)
- Part: Wire Harness
- Part number: 3250275030
- Condition: Faulted
- Location: Nr 1 Ovrht Loop
- Stage of operation: NR
- How discovered: 9
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022120141006

## Discrepancy

OVERHEAT DETECTION LOOP A SHOWS A FAULT. GROUNDED - YES. PERFORMED B737-800 FIM 26-10 TASK 805. MW0325 HARNESS BAD. REMOVED AND REPLACED ENGINE 1 CORE FIRE DETECTION HARNESS MW0325 REF B737-800 AMM REF 26-11-02/401. ENGINE FIRE DETECTION OPS TEST OK. ETOPS GROUND VERIFICATION SUCCESSFUL.

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