# SDR F3LA202504250216

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 25, 2025
- Submitted: April 25, 2025
- Operation: Air carrier
- Aircraft: [N342FR](https://openairdocs.org/aircraft/N342FR), registered now
- Make and model: Airbus A320-251N
- Registry model: [Airbus A320-251N](https://openairdocs.org/model/airbus-a320-251n) (OpenAirDocs)
- Aircraft serial: 08537
- Aircraft time: 19,501 hours, 8,967 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32146210
- Part serial: 143208
- Condition: Failed
- 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/F3LA202504250216

## Discrepancy

DISCREPANCY: FAULT WAS DISCOVERED DURING SCHEDULED RON MAINTENANCE AND CAUSED NO FLIGHT DELAY OR CANCELLATION. LP500063 ITEM #2 EPSU BATTERY AT POS 12WL FAILED OPS TEST.
CORRECTIVE ACTION: REMOVED AND REPLACED EPSU AT POSITION 12WL. REFERENCE AMM 33-51-38-000-001-A AND AMM 33-51-38-400-001-A. OPS CHECKED GOOD. /END/.

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