# SDR F3LA2023080100111

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 31, 2023
- Submitted: August 1, 2023
- Operation: Air carrier
- Aircraft: [N722FR](https://openairdocs.org/aircraft/N722FR), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 08579
- Aircraft time: 14,114 hours, 6,061 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 321431
- Part serial: 269825
- Condition: Failed
- 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/F3LA2023080100111

## Discrepancy

DISCREPANCY: REFERENCE LOG PAGE LP402170 AIRCRAFT WAS NOT GROUNDED WAS IN FOR SCHEDULED MX CHECK, EPSU (11WL) BATTERY FAILS TEST.CORRECTIVE ACTION: EPSU (11WL) BATTERY FAILED TEST. R&R EPSU (50WL) BATTERY OPS CHECK GOOD. REFERENCE AMM 33-51-00-710-001./END/

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