# SDR EE4Y2024032219718

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 22, 2024
- Submitted: March 22, 2024
- Operation: General aviation
- Filed by: [Cooperativa Autogestionaria de Servicios Aeroindus, repair station EE4Y151M](https://openairdocs.org/faa-repair-station/EE4Y151M/cooperativa-autogestionaria-de-servicios-aeroindus.md) (OpenAirDocs)
- Aircraft: [N219NV](https://openairdocs.org/aircraft/N219NV), registered now
- Make and model: Airbus A320-214
- Registry model: [Airbus A320-214](https://openairdocs.org/model/airbus-a320-214) (OpenAirDocs)
- Aircraft serial: 1255
- Aircraft time: 52,618 hours, 33,351 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: AD321431
- Part serial: 910670
- 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/EE4Y2024032219718

## Discrepancy

DURING ACCOMPLISHMENT OF THE EMERGENCY LIGHTING TEST  IAW ALLEGIANT WORK CARD 335100-03-1-001 , FWD LH EPSU BATTERY WAS FOUND INOP. THE EPSU BATTERIES FWD 2H WAS REPLACED IAW A320 AMM TASK 33-51-38-000-002-A AND 33-51-38-400-002-A. AFTER NEW THE SYSTEM WAS FOUND IN SATISFACTORY CONDITION.

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