# SDR YENA2021052000319

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 16, 2021
- Submitted: May 20, 2021
- Operation: Air carrier
- Aircraft: [N597JB](https://openairdocs.org/aircraft/N597JB), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 2307
- Aircraft time: 63,205 hours, 22,786 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 321431
- Part serial: 842267
- Condition: Failed
- Location: Emergency Lights
- Part time: 3,588 hours, 1,332 cycles
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA2021052000319

## Discrepancy

DURING HEAVY MAINTENANCE, INOP EPSU BATTERY 13WL; (REF AEROMAN NR 2021-81/1-2021-169636 ) R & R EPSU BATTERY 13WL IAW A320 AMM 33-51-38-400-002-A, 33-51-00-710-001. OPS CHECK GOOD.

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