# SDR AALA201810159007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 11, 2018
- Submitted: October 15, 2018
- Operation: Air carrier
- Aircraft: [N7541A](https://openairdocs.org/aircraft/N7541A), registered now
- Make and model: Doug DC-9-82
- Registry model: [Doug DC-9-82](https://openairdocs.org/model/mcdonnell-douglas-dc-9-82) (OpenAirDocs)
- Aircraft serial: 49995
- Aircraft time: 77,695 hours, 41,310 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Inoperative
- Location: Emergency Lgihts
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201810159007

## Discrepancy

TWO EMERGENCY LIGHTS AT THE TOP OF THE COCKPIT OVERHEAD PANEL WERE BOTH INOPERATIVE.  REPLACED THE B5-23 BATTERY PACK IAW MM 33-53-00. OPS CHECKED OK.

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