# SDR YENA2020120300561

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 29, 2020
- Submitted: December 4, 2020
- Operation: Air carrier
- Aircraft: [N588JB](https://openairdocs.org/aircraft/N588JB), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 2201
- Aircraft time: 64,448 hours, 23,142 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 321431
- Part serial: 849029
- Condition: No Test
- Location: Emergency Lights
- Part time: 4,053 hours, 1,532 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/YENA2020120300561

## Discrepancy

DURING HEAVY MAINTENANCE, EPSU 10WL FAILED OPERATIONS TEST, REF AEROMAN NR 2020-361245 WO 2020 367/1.  R & R BATTERY OF EPSU 10WL, IAW AMM 33-51-38-000-002.  OPERATIONS CHECKS OK, PER AMM 33-51-00-710-002.

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