# SDR IXXA9700166

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 16, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N61CX
- Make and model: Doug DC-8-62
- Registry model: [Doug DC-8-62](https://openairdocs.org/model/mcdonnell-douglas-dc-8-62) (OpenAirDocs)
- Aircraft serial: 46142
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Wire
- Condition: Chafed
- Location: Nr 4 Engine
- Stage of operation: AP
- How discovered: O
- Nature of condition: N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IXXA9700166

## Discrepancy

ON SHORT FINAL INBOUND EDDF FROM KWI, THE NUMBER 4 ENGINE FIRE BELL SOUNDED AND THE FIRE WARNING LIGHT ILLUMINATED.  CAPTAIN RESET MASTER FIRE WARNING SWITCH WHICH SILENCED THE BELL.  THE LIGHT REMAINED ILLUMINATED FOR 3 TO 4 SECONDS AND EXTINGUSHED.  AN UNEVENTFUL LANDING WAS ACCOMPLISHED.  MAINTENANCE INSPECTED THE ENGINE FIRE WARNING WIRING AND FOUND A CHAFED WIRE ON THE UPPER LOOP CONTACTING A PNEUMATIC BLEED DUCT.  THE WIRE WAS REPAIRED IAW DAC M/M CHAPTER 20.  SYSTEM PASSED A SUCCESSFUL GROUND OPERATIONAL CHECK IAW DAC M/M 26-10-1.

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