# SDR DALA2020092503168

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 23, 2020
- Submitted: September 25, 2020
- Operation: Air carrier
- Aircraft: [N315DN](https://openairdocs.org/aircraft/N315DN), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 7436
- Aircraft time: 10,386 hours, 5,222 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Faulted
- Location: Emergency Light
- 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/DALA2020092503168

## Discrepancy

EPSU 11WL EXT FAULTED BATTERY ON EMERGENCY LIGHT TEST.  CORRECTIVE ACTION: RESET BATTERY PACK AND CYCLED AC PWR.  ESPU SYS TEST OK.

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