# SDR ASAA2023031842441

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 18, 2023
- Submitted: March 22, 2023
- Operation: Air carrier
- Aircraft: [N419AS](https://openairdocs.org/aircraft/N419AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41734
- Aircraft time: 37,096 hours, 11,762 cycles
- System (JASC): [2610 · Detection System](https://openairdocs.org/jasc/2610)
- Part: Fire Detector
- Part number: 90201601
- Condition: Faulted
- Location: Nr 2 Engine
- Stage of operation: NR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023031842441

## Discrepancy

ENGINE # 2 ENGINE FIRE / OVERHEAT DETECTION LOOP A INOP. GROUNDED - YES. REMOVED AND REPLACED #2 ENG LOWER OVERHEAT DETECTION LOOP A. REF B737-900 AMM 26-11-01/401.

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