# SDR ARWA20040601

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 9, 2004
- Submitted: June 24, 2004
- Operation: Air carrier
- Aircraft: N906R
- Make and model: Doug DC-8-63F
- Registry model: [Doug DC-8-63F](https://openairdocs.org/model/mcdonnell-douglas-dc-8-63f) (OpenAirDocs)
- Aircraft serial: 46087
- Aircraft time: 77,323 hours, 25,477 cycles
- Engine: Pwa JT3D3
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Amplifier
- Part number: 390D
- Part serial: 376
- Condition: Malfunctioned
- Location: Nr 2 Fire Loop
- Stage of operation: TX
- How discovered: O
- Nature of condition: N
- Precautionary procedure: D, E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ARWA20040601

## Discrepancy

DURING TAXI, NR 2 ENGINE FIRE WARNING INTERMITENTLY ILLUMINATED FIRE WARNING TEST INOPERATIVE, SHUT DOWN ENGINE; RETURNED TO RAMP.  NO FIRE NOTED.  CHECK FIRE WARNING SYSTEM AT RUNUP CONDITION.  CHECK WIRING FOR CONDITION, ELEMENTS FOR CONDITION AT NR  2 ENGINE FIRE WARNING SYSTEM IAW MM 26-10-1.  REMOVED AND REPLACED NR 2 FIRE DETECTOR AMPLIFIER IAW MM 26-10-2;  FOUND SYSTEM NORMAL.  CHECKED NR 2 ENGINE AT BLAST FENCE FOR FIRE WARNING SYSTEM IAW MM 71-0 AND MM 26-10-0, FOUND NORMAL.

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