# SDR ASAA2021121036868

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 10, 2021
- Submitted: December 13, 2021
- Operation: Air carrier
- Aircraft: [N481AS](https://openairdocs.org/aircraft/N481AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 44106
- Aircraft time: 23,637 hours, 7,485 cycles
- System (JASC): [2610 · Detection System](https://openairdocs.org/jasc/2610)
- Part: Harness
- Part number: 3250275050
- Condition: Broken
- Location: #2 Engine
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2021121036868

## Discrepancy

OUTBOUND CREW REPORTS A - LOOP FOR #2 ENGINE FIRE WARNING WILL NOT TEST. GROUNDED - YES. PERFORMED ENGINE FIRE DETECTORS INSPECTION CHECK PER B737-900 AMM 26-11-01/601. FOUND CORE FIRE DETECTION HARNESS, MW0325 TERMINAL LUG BROKEN. REPLACED CORE FIRE DETECTION HARNESS, MW0325 PER AMM 26-11-02/401. OPS CHECK NORMAL.

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