# SDR ASAA2020030332327

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 28, 2020
- Submitted: March 4, 2020
- Operation: Air carrier
- Aircraft: [N592AS](https://openairdocs.org/aircraft/N592AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35190
- Aircraft time: 46,334 hours, 13,853 cycles
- System (JASC): [2697 · Fire Protection System Wiring](https://openairdocs.org/jasc/2697)
- Part: Wire Harness
- Part number: 3250274040
- Condition: Chafed
- Location: Nr 1 Engine
- 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/ASAA2020030332327

## Discrepancy

DETAILED VISUAL INSPECTION OF #1 ENG LOOP "B" FIRE DETECTION HARNESS MW0316 FOUND CHAFING AT THE 12 O'CLOCK POSITION, NEAR OUTBOARD COWLING HINGE.  GROUNDED - YES. REMOVED & REPLACED ENG #1 FAN FIRE DETECTION HARNESS PER B737-800 AMM 26-11-02 ACCOMPLISHED OPS CHECK NORMAL.

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