# SDR ASAA2020022732326

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 27, 2020
- Submitted: March 3, 2020
- Operation: Air carrier
- Aircraft: [N559AS](https://openairdocs.org/aircraft/N559AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35178
- Aircraft time: 49,958 hours, 14,778 cycles
- System (JASC): [2697 · Fire Protection System Wiring](https://openairdocs.org/jasc/2697)
- Part: Wire
- Condition: Separated
- Location: Fire Detection
- 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/ASAA2020022732326

## Discrepancy

FLT CREW REPORTS #2 ENGINE FIRE DETECTION DOES NOT TEST. GROUNDED - YES. PERFORMED ENGINE FIRE DETECTION RESISTANCE TEST PER B737-800 AMM 26-11-00-730-801. FAILED RIGHT CORE LOOP. DISCOVERED WIRES SEPARATED FROM TERMINAL LUGS. REPAIRED WIRES SEPARATED FROM TERMINAL LUGS PER 20-30-00 OF SWPM. PERFORMED ENGINE FIRE DETECTION OPERATIONAL TEST PER AMM TASK 26-11-00-710-801. TEST PASSED.

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