# SDR CALA2026101920441

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 16, 2026
- Submitted: October 19, 2026
- Operation: Air carrier
- Aircraft: [N465UA](https://openairdocs.org/aircraft/N465UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1341
- Aircraft time: 76,819 hours, 33,662 cycles
- Engine: Iae V2527A5
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: AD321431
- Condition: Faulted
- Location: Zone 200
- Stage of operation: IN
- How discovered: C
- Nature of condition: L, J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026101920441

## Discrepancy

DURING EMERGENCY LIGHT TEST, RECIEVED FAULT EPSU BATTERY WARNING . VERIFIED BATTERY FAULT ON EPSU 12WL SELF TEST IAW AMM 33-51-38,  R & R THE BATTERY PACK, OP CHKD GOOD IAW AMM 33-51-38.

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