# SDR F3LA2024042400057

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 10, 2024
- Submitted: April 24, 2024
- Operation: Air carrier
- Aircraft: [N336FR](https://openairdocs.org/aircraft/N336FR), registered now
- Make and model: Airbus A320-251N
- Registry model: [Airbus A320-251N](https://openairdocs.org/model/airbus-a320-251n) (OpenAirDocs)
- Aircraft serial: 08357
- Aircraft time: 18,413 hours, 8,209 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 321431
- Part serial: 264219
- Condition: No Test
- 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/F3LA2024042400057

## Discrepancy

AIRCRAFT WAS NOT GROUNDED AND IS IN CHECK FOR SCHEDULED MX.  DURING EPSU BATTERIES CAPACITY TEST 13WL FAILED. REPLACEMENT REQUIRED I.A.W. CMM 33-51-07 REV. 05.  REPLACEMENT OF EPSU (13WL) BATTERY PERFORMED I.A.W. AMM 33-51-38-04 CONF 00 REF 97.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
