# SDR ASAA2022101540315

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 15, 2022
- Submitted: October 17, 2022
- Operation: Air carrier
- Aircraft: [N423AS](https://openairdocs.org/aircraft/N423AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 35206
- Aircraft time: 34,410 hours, 10,944 cycles
- System (JASC): [2610 · Detection System](https://openairdocs.org/jasc/2610)
- Part: Harness
- Part number: 896002002
- Condition: Failed Insp
- Location: #2 Engine
- Stage of operation: NR
- 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/ASAA2022101540315

## Discrepancy

#2 ENG FIRE DETECTION LOOP B WILL NOT TEST PROPERLY. GROUNDED - YES. REPLACED MW0326 HARNESS & INSTALLATION TEST GOOD B737-900 AMM 26-11-02.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
