# SDR DALA2021061803330

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 17, 2021
- Submitted: June 18, 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: 42,841 hours, 21,274 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Failed
- 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/DALA2021061803330

## Discrepancy

SHIP 6823 EMER. LIGHT AT AFT LT. DOOR CEILING , SIDE TOP, INOP. CORRETIVE ACTION: T/S FOUND POWER SUPPLY M737 TO HAVE A BAD BATTERY PACK. R + R M737 BATTERY PACK PER 757 AMM 33-51

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