# SDR DHL2002807007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 18, 2002
- Submitted: May 28, 2002
- Operation: Air carrier
- Aircraft: N807DH
- Make and model: Doug DC-8-73F
- Registry model: [Doug DC-8-73F](https://openairdocs.org/model/douglas-dc-8-73f) (OpenAirDocs)
- Aircraft serial: 45990
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fire Loop
- Condition: Failed
- Location: Nr 2 Engine
- Stage of operation: IN
- How discovered: C
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DHL2002807007

## Discrepancy

NR 2 ENG B-LOOP SHORT CIRCUIT LIGHT ILLUMINATED.  CHECKED LOOPS WITH A MEGER.  FOUND LT & RT B-CORE DETECTOR LOOPS WITH LOW ISOLATION.  REPLACED BOTH SIDES OF CORE DET LOOP AND TESTED SYSTEM PER M/M 26-10-1, ALL CKS GOOD.

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