# SDR F3LA2021030100016

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 26, 2021
- Submitted: March 1, 2021
- Operation: Air carrier
- Aircraft: [N303FR](https://openairdocs.org/aircraft/N303FR), registered now
- Make and model: Airbus A320-251N
- Registry model: [Airbus A320-251N](https://openairdocs.org/model/airbus-a320-251n) (OpenAirDocs)
- Aircraft serial: 07249
- Aircraft time: 14,495 hours, 6,041 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 321431
- Condition: Discharged
- Location: Zone 200
- Stage of operation: IN
- How discovered: O
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/F3LA2021030100016

## Discrepancy

LP 145547 ITEMS 2 & 3 UPON AIRCRAFT INSPECTION THE EMERGENCY POWER SUPPLY UNITS 11WL & 12WL (EPSU BATTERIES) FAILED TO TEST
CORRECTIVE ACTION: REMOVED AND REPLACED EPSU BATTERIES 11WL & 12WL -TEST OK REF AMM 33-51-38-04 CONF 00

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