# SDR AALA201806179002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 14, 2018
- Submitted: June 17, 2018
- Operation: Air carrier
- Aircraft: [N193UW](https://openairdocs.org/aircraft/N193UW), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 3584
- Aircraft time: 32,710 hours, 12,583 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Condition: Discharged
- Location: Cabin
- 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/AALA201806179002

## Discrepancy

AIRCRAFT WAS NOT GROUNDED. EMERGENCY POWER SUPPLY UNIT 12WL BATTERY INOPERATIVE. REPLACED EMERGENCY POWER SUPPLY UNIT (12WL) BATTERY PER AMM 33-55-00. SYSTEM OPERATIONS CHECKS GOOD.

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