# SDR DALA2025120508921

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 4, 2025
- Submitted: December 5, 2025
- Operation: Air carrier
- Aircraft: [N302DN](https://openairdocs.org/aircraft/N302DN), registered now
- Make and model: Airbus A321-213
- Registry model: [Airbus A321-213](https://openairdocs.org/model/airbus-a321-213) (OpenAirDocs)
- Aircraft serial: 7031
- Aircraft time: 28,203 hours, 13,986 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/DALA2025120508921

## Discrepancy

DURING SVC CHK FOUND EMERGENCY LIGHTS IN AISLE 13, 14, 15, 16, 19, 20, 23, 24, 30, 31, 32, 36 AND 37 DO NOT TURN ON.   REPLACED 11WL BATTERY PER A321 AMM 33-51. (LP 8149558)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
