# SDR SRAA970305

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 7, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N874SJ
- Make and model: Doug DC-8-73F
- Registry model: [Doug DC-8-73F](https://openairdocs.org/model/douglas-dc-8-73f) (OpenAirDocs)
- Aircraft serial: 46149
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fire Loop
- Condition: Chafed
- Location: Nr 3 Engine
- Stage of operation: CR
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SRAA970305

## Discrepancy

DURING FLIGHT, FOUND NR 3 ENGINE FIRE WARNING WILL NOT TEST.  INSPECTED NR 3 ENGINE FIRE WARNING SYSTEM, FOUND LIGHT CHAFING ON AFT OUTBOARD FIRE LOOP.  REPOSITIONED LOOP, SYSTEM OPS CHECKED GOOD IAW MM CH 26.

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