# SDR DHL2001802005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 25, 2001
- Submitted: April 26, 2001
- Operation: Air carrier
- Aircraft: [N802DH](https://openairdocs.org/aircraft/N802DH), registered now
- Make and model: Doug DC-8-73F
- Registry model: [Doug DC-8-73F](https://openairdocs.org/model/douglas-dc-8-73f) (OpenAirDocs)
- Aircraft serial: 46076
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fire Warning
- Condition: False Activation
- Location: Cockpit
- Stage of operation: AP
- How discovered: O
- Nature of condition: N
- Precautionary procedure: E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DHL2001802005

## Discrepancy

NR 4 ENG FIRE LIGHT AND BELL CAME ON.  PERFORMED PHASE ONE ITEMS.  FIRE LIGHT WENT OUT.  SHORT TEST INDICATED GOOD.  INSPECTED NR 4 ENG FIRE LOOPS.  NO DEFECTS NOTED.  DUE TO HISTORY DEFFERED NR 4 ENG A LOOP FIRE DETECTION PER MEL 26-2-3.  DMI 5331.  PERFORMED SPEC PROCEDURES LOOP B OPERATIVE.  PLACARD INSTALLED.

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