# SDR CALA2026021913911

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 18, 2026
- Submitted: February 19, 2026
- Operation: Air carrier
- Aircraft: [N14503](https://openairdocs.org/aircraft/N14503), registered now
- Make and model: Airbus A321-271NX
- Registry model: [Airbus A321-271NX](https://openairdocs.org/model/airbus-s-a-s-a321-271nx) (OpenAirDocs)
- Aircraft serial: 11599
- Aircraft time: 5,855 hours, 2,173 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: AD321431
- Condition: No Test
- Location: Zone 200
- 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/CALA2026021913911

## Discrepancy

DURING AN EMERGENCY LIGHTS TEST GIVES FAULT BATTERY  EPSU (16WL) OVERWING AND BATTERY OVERTEMP,   EPSU (16WL).  REMOVED AND REPLACED EPSU BATTERY AT 16 WL IAW AMM 33-51-38, OPS CHECKED GOOD.

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