# SDR C7WA200500115

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 20, 2005
- Submitted: September 15, 2005
- Operation: Air carrier
- Aircraft: N742RW
- Make and model: Boeing 727-2M7
- Registry model: [Boeing 727-2M7](https://openairdocs.org/model/boeing-727-2m7) (OpenAirDocs)
- Aircraft serial: 21952
- System (JASC): [2697 · Fire Protection System Wiring](https://openairdocs.org/jasc/2697)
- Part: Wire
- Condition: Shorted
- Location: Fire Loop
- Stage of operation: NR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/C7WA200500115

## Discrepancy

AIR TURNBACK, NR 3 ENGINE FIRE DETECTOR INOPERATIVE LIGHT ILLUMINATED AND NR 3 ENGINE FIRE WARNING LIGHT AND BELL WENT OFF REPEATEDLY 7 TIMES.  FOUND NR 3 ENGINE B-LOOP WIRE SHORTED.  REPAIRED WIRE PER B727 MM 20-00-00.  OPS CHECKS GOOD PER 26-11-01.  (M)

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