# SDR QXEA9700551

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 7, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N491US
- Make and model: Fokker F.28 MK4000
- Registry model: [Fokker F.28 MK4000](https://openairdocs.org/model/fokker-f-28-mk4000) (OpenAirDocs)
- Aircraft serial: 11156
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fire Cntrl Unit
- Part number: 8934104050A
- Condition: Malfunction
- Location: Cockpit
- Part time: 2,269 hours
- Stage of operation: TX
- Nature of condition: N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QXEA9700551

## Discrepancy

SEA - NR 1 ENGINE FIRE WARNING WENT OFF.  ENGINES WERE NOT RUNNING AND NO FIRE OBSERVED.  REPLACED NR 1 FIRE CONTROL UNIT, FUNCTIONAL TESTED GOOD.  INSPECTED LOWER FIRE LOOP NDN.

---
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.