# SDR DALA2020071902604

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 15, 2020
- Submitted: July 19, 2020
- Operation: Air carrier
- Aircraft: [N364DX](https://openairdocs.org/aircraft/N364DX), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 8530
- Aircraft time: 4,665 hours, 2,088 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Condition: No Test
- 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/DALA2020071902604

## Discrepancy

DURING SERVICE CHECK,  FOUND AFT L (13WL) EPCU BATTERY FAILED, REPLACED AFT L(13WL) BATTERY

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