# SDR DALA1102990633

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 13, 2010
- Submitted: January 14, 2011
- Operation: Air carrier
- Aircraft: N633DL
- Make and model: Boeing 757232
- Aircraft serial: 23614
- Aircraft time: 72,764 hours, 34,203 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Malfunctioned
- Location: Emergency Light
- 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/DALA1102990633

## Discrepancy

AFTER SWITCHING TO EXTERNAL POWER, CREW NOTED THE LT SIDE EMERGENCY LIGHTS ILLUMINATED.  MX REPLACED THE BATTERY PACK AT LOCATION M731.

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