# SDR ASAA2019103071174

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 27, 2019
- Submitted: October 30, 2019
- Operation: Air carrier
- Aircraft: [N592AS](https://openairdocs.org/aircraft/N592AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35190
- Aircraft time: 44,929 hours, 13,521 cycles
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fire Detector
- Part number: 902864
- Condition: Failed
- Location: Nr 1 Engine
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2019103071174

## Discrepancy

#1 ENGINE SYS A FIRE DETECTION FAULT BITE INDICATES UPPER FAN DETECTOR FAULT. GROUNDED - YES. ACCOMPLISHED B737-800 FIM 26-10 TASK 805, REMOVED AND REPLACED ENG #1 LOOP A FIRE LOOP PER B737-800 AMM 26-11-01 FIRE DETECTION TEST NORMAL OPS CHECK GOOD.

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