# SDR AALA201910219012

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 19, 2019
- Submitted: October 21, 2019
- Operation: Air carrier
- Aircraft: [N189UW](https://openairdocs.org/aircraft/N189UW), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 1425
- Aircraft time: 62,814 hours, 23,536 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Condition: No Test
- Location: Emergency Lights
- 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/AALA201910219012

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: FORWARD LEFT EMERGENCY POWER SUPPLY UNIT BATTERY TEST FAILED. MAINTENANCE ACCOMPLISHED SATISFACTORY OPERATIONAL CHECK OF EMERGENCY POWER SUPPLY UNIT BATTERY PER AMM 33-51-00.

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