# SDR DHL2006804001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 12, 2006
- Submitted: March 14, 2006
- Operation: Air carrier
- Aircraft: [N804DH](https://openairdocs.org/aircraft/N804DH), 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: 46124
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fire Loop
- Condition: Out Of Position
- Location: Nr 1 Nacelle
- Stage of operation: CR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DHL2006804001

## Discrepancy

AT FL 350 IN LIGHT TURBULENCE UNCOMMANDED FIRE LIGHT/BELL TEST LASTING ABOUT 10 SECONDS ON ENGINE NR 1.  THE BELL SOUNDED AT APPROX 1/2 VOLUME  COMPARED TO NORMAL.  LOOP "A" WAS IN USE.  INSPECTED NR 1 ENGINE "A" LOOP FOR DEFECTS.  NO DEFECTS NOTED.  DEFERRED NR 1 ENGINE "A" LOOP IAW DC8 MEL 26--2-3.  CAT "C" DMI 24646.  PLACARD INSTALLED.  REF DMI  24646 AT FL 350 IN LIGHT TURBULENCE UNCOMMANDED FIRE LIGHT AND BELL TEST LASTING ABOUT 10 SECONDS ON ENGINE NR 1 THE BELL SOUNDED AT APPROX 1/2 VOLUME COMPARED TO NORMAL "LOOP A" WAS IN USE.  INSPECTED AND RE-POSITIONED NR 1 ENG "A" FIRE LOOP REF MM 26-10-1.  OPS CHECK NORMAL THIS ACTION CLEARS DMI  24646 PLACARDS REMOVED.

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