# SDR DALA2021020500700

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 4, 2021
- Submitted: February 5, 2021
- Operation: Air carrier
- Aircraft: [N823DX](https://openairdocs.org/aircraft/N823DX), registered now
- Make and model: Boeing 757-26D
- Registry model: [Boeing 757-26D](https://openairdocs.org/model/boeing-757-26d) (OpenAirDocs)
- Aircraft serial: 33967
- Aircraft time: 41,674 hours, 20,815 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Inoperative
- Location: Emergency Lights
- 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/DALA2021020500700

## Discrepancy

DURING SERVICE CHECK MAINTENANCE FOUND EMERGENCY CABIN AND PATHWAY LIGHTS INOPERATIVE AT ROWS 23-26. THE BATTERY AT M11487 ROW 26 LT INOPERATIVE. REPLACED BATTERY. SYSTEM OPERATION IS NORMAL. (LP 7662838)

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