# SDR AALA202405315605

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 30, 2024
- Submitted: May 31, 2024
- Operation: Air carrier
- Aircraft: [N927UW](https://openairdocs.org/aircraft/N927UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6625
- Aircraft time: 29,578 hours, 11,931 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: UNKNOWN
- Condition: Inoperative
- 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/AALA202405315605

## Discrepancy

AIRCRAFT WAS GROUNDED: DURING OPS CK OF EMERGENCY LIGHTS SYSTEM FOUND FAULTY BATTERY AT EPSU 15WL. REMOVED AND REPLACED EPSU 15WL BATTERY IAW AMM 33-51-38. OPS CK GOOD.

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