# SDR DALA107359868

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 4, 2010
- Submitted: April 9, 2010
- Operation: Air carrier
- Aircraft: [N777NC](https://openairdocs.org/aircraft/N777NC), registered now
- Make and model: Doug DC-9-51
- Registry model: [Doug DC-9-51](https://openairdocs.org/model/mcdonnell-douglas-dc-9-51) (OpenAirDocs)
- Aircraft serial: 47787
- Aircraft time: 71,773 hours, 67,564 cycles
- Engine: Pwa JT8D17
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Discharged
- 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/DALA107359868

## Discrepancy

PILOT WROTE UP THAT THE EMERGENCY LIGHT SWITCH WAS IN ARM POSITION. FOUND ALL EMERGENCY BATTERIES DEAD.  MX R & R ALL EMERGENCY BATTERIES.

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