# SDR DALA2019110106344

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 31, 2019
- Submitted: November 1, 2019
- Operation: Air carrier
- Aircraft: N156DL
- Make and model: Boeing 767-3P6
- Registry model: [Boeing 767-3P6](https://openairdocs.org/model/boeing-767-3p6) (OpenAirDocs)
- Aircraft serial: 25354
- Aircraft time: 120,244 hours, 21,886 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Inoperative
- Location: Emergency Light
- 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/DALA2019110106344

## Discrepancy

FOUND EXTERIOR EMERGENCY LIGHT LEFT SIDE L396 AND L645 NOT ILLUMINATING DURING TEST. REPLACED BATTERY PACK ON M738. SYSTEM OPERATION IS NORMAL.

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