# SDR SRAA970402

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 2, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N872SJ](https://openairdocs.org/aircraft/N872SJ), registered now
- Make and model: Doug DC-8-71F
- Registry model: [Doug DC-8-71F](https://openairdocs.org/model/douglas-dc-8-71f) (OpenAirDocs)
- Aircraft serial: 46040
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fire Detector
- Part number: 898988
- Condition: Failed
- Location: Nr 1 Engine
- Stage of operation: DE
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SRAA970402

## Discrepancy

DURING FLIGHT, NR 1 ENGINE FIRE SHORT CIRCUIT LIGHT, MASTER WARNING LIGHT AND FIRE HANDLE LIGHT ILLUMINATED INTERMITTENTLY, ALL OTHER INDICATIONS WERE NORMAL.  OBSERVED NR 1 ENGINE AND FOUND NO ABNORMAL CONDITION EXISTS.  AIRCRAFT LANDED WITHOUT INCIDENT.  FOUND FIRE DETECTOR CONTROL UNIT FAULTY.  REPLACED NR 1 FIRE DETECTOR UNIT PER MM CH 26, SYSTEM OPS CHECKED GOOD.

---
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.