# SDR ASAA2023042543049

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 25, 2023
- Submitted: May 1, 2023
- Operation: Air carrier
- Aircraft: [N560AS](https://openairdocs.org/aircraft/N560AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35179
- Aircraft time: 60,373 hours, 18,200 cycles
- System (JASC): [2610 · Detection System](https://openairdocs.org/jasc/2610)
- Part: Fire Detector
- Part number: 902862
- Condition: No Test
- Location: Nr 1 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/ASAA2023042543049

## Discrepancy

FIRE TEST ENG. #1 FAILED. GROUNDED - YES.  REMOVED AND REPLACED LEFT CORE DETECTOR M1759 IAW B737-800 AMM 26-11-01. OPS CHECK GOOD.

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