# SDR DALA2025112108524

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 21, 2025
- Submitted: November 21, 2025
- Operation: Air carrier
- Aircraft: [N821DX](https://openairdocs.org/aircraft/N821DX), registered now
- Make and model: Boeing 757-26D
- Registry model: [Boeing 757-26D](https://openairdocs.org/model/boeing-757-26d) (OpenAirDocs)
- Aircraft serial: 33961
- Aircraft time: 57,900 hours, 27,959 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Inoperative
- Location: Zone 200
- 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/DALA2025112108524

## Discrepancy

DURING SERVICE CHECK AMDS CARD 5014-2001, FOUND BATTERY EMERGENCY LIGHT PACK INOPERATIVE.   REMOVED AND REPLACED THE BATTERY PACK ON ROW 27-28. IAW AMM 33 -51. OPS CHECKED GOOD. (6515193)

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