# SDR DALA2015122907753

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 25, 2015
- Submitted: December 29, 2015
- Operation: Air carrier
- Aircraft: N931DN
- Make and model: Doug MD-90-30
- Registry model: [Doug MD-90-30](https://openairdocs.org/model/mcdonnell-douglas-md-90-30) (OpenAirDocs)
- Aircraft serial: 53544
- Aircraft time: 36,995 hours, 25,245 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Inoperative
- Location: Emergency Lights
- 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/DALA2015122907753

## Discrepancy

EMERGENCY LIGHTS INOPERATIVE IN AFT AIRSTAIR CATWALK.  R & R BATTERY POWER SUPPLY.  OPS CHECKS OK.

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