# SDR YENA2020012216027

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 16, 2020
- Submitted: January 22, 2020
- Operation: Air carrier
- Aircraft: [N709JB](https://openairdocs.org/aircraft/N709JB), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 3488
- Aircraft time: 47,365 hours, 16,353 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 321431
- Part serial: 795234
- Condition: No Test
- Location: Emergency Lights
- Part time: 12,099 hours, 4,192 cycles
- 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/YENA2020012216027

## Discrepancy

FLT 514, CIDS ONE EPSU BITE TEST FAILS 12WL ESPU BAT FAILURE.   R & R EPSU 12WL BATTERY IAW AMM 33-51-38. EPSU BITE TEST CHECKS OK IAW AMM 33-51-00-710-001-A.

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