# SDR WX0A072253

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 5, 2014
- Submitted: November 7, 2014
- Operation: Air carrier
- Aircraft: N412NV
- Make and model: Doug MD-88
- Registry model: [Doug MD-88](https://openairdocs.org/model/mcdonnell-douglas-md-88) (OpenAirDocs)
- Aircraft serial: 49759
- Aircraft time: 49,845 hours, 24,614 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: AD4000P
- Condition: Discharged
- Location: Cabin
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/WX0A072253

## Discrepancy

DURING COCKPIT PREFLIGHT CHECK, DISCOVERED COCKPIT EMER LIGHTS WOULD NOT ILLUMINATE DURING TEST.  REPLACED FWD CABIN BATTERY PACK IAW AMM 33-50-00.  OPERATIONS CHECKED NORMAL.

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