# SDR ASAA2022040737920

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 7, 2022
- Submitted: April 8, 2022
- Operation: Air carrier
- Aircraft: [N593AS](https://openairdocs.org/aircraft/N593AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35107
- Aircraft time: 51,760 hours, 15,420 cycles
- System (JASC): [2697 · Fire Protection System Wiring](https://openairdocs.org/jasc/2697)
- Part: Wire Harness
- Condition: Broken
- Location: Fire Detection
- 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/ASAA2022040737920

## Discrepancy

#1 ENGINE FIRE DETECTION HARNESS MW0315 HAS BROKEN TERMINAL LUG AT FAN UPPER FIRE DETECTOR ASSY. GROUNDED - YES. REPAIRED TERMINAL LUG AT FAN UPPER FIRE DETECTOR ASSY ON MW0315 HARNESS #1 ENGINE OPS CHECK GOOD REF B737 SWPM 20-31-11 AND B737-800 AMM 26-11-00-710-801.

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