# SDR DALA2017122608876

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 25, 2017
- Submitted: December 26, 2017
- Operation: Air carrier
- Aircraft: N907DE
- Make and model: Doug MD-88
- Registry model: [Doug MD-88](https://openairdocs.org/model/mcdonnell-douglas-md-88) (OpenAirDocs)
- Aircraft serial: 53416
- Aircraft time: 65,537 hours, 47,749 cycles
- System (JASC): [3497 · Navigation System Wiring](https://openairdocs.org/jasc/3497)
- Part: Wire
- Condition: Broken
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2017122608876

## Discrepancy

EMERGENCY NAV INSTRUMENT CIRCUIT BREAKER TRIPPED.  NO RESET.  FOUND A WIRE 1F700A24 BROKEN AND ARCING.  REPAIRED THE WIRE IAW MM 20.  OPS NORMAL.

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