# SDR ABXA9800014

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 8, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N804AX
- 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: 45987
- Engine: Pwa JT3D3B
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fire Loop
- Part number: CA3106KE10SL4S
- Condition: Disconnected
- Location: Nr 1 Engine
- Stage of operation: CL
- Nature of condition: N
- Precautionary procedure: E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ABXA9800014

## Discrepancy

DURING CRUISE, ENG FIRE WARNING MASTER LIGHT AND BELL ACTIVATED MOMENTARILY.  UNABLE TO DETERMINE WHICH ENGINE CAUSED PROBLEM.  FUEL FLOW ON NR 3 ENGINE INCREASED APPROXIMATELY 700 PPH.  SHUT DOWN NR 3 ENGINE, WITH ENGINE WINDMILLING, N1 WAS 26.5 PERCENT, N2 WAS 41.1 PERCENT AND OIL PRESSURE WAS 36 PSI.  GROUND RAN NR 3 ENGINE.  FUEL FLOW OPS CHECKED NORMAL.  INSPECTED FIRE WARNING SYSTEMS ON ALL FOUR ENGINES.  FOUND WIRE DISCONNECTED ON FIRE LOOP ON NR 1 ENGINE ABOVE DIFFUSER CASE.  RECONNECTED WIRE, NO DISCREPANCIES NOTED ON NR 2 , 3  AND 4 ENGINES.  FIRE WARNING SYSTEM OPS CHECKED GOOD.

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