# SDR YENA2022111001107

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 9, 2022
- Submitted: November 10, 2022
- Operation: Air carrier
- Aircraft: [N970JB](https://openairdocs.org/aircraft/N970JB), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 07415
- Aircraft time: 22,132 hours, 7,190 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: None
- Condition: None
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA2022111001107

## Discrepancy

DURING HEAVY MAINTENANCE: DON'T PASS OPERACIONAL TEST ON EMERGENCY LIGHTING SYSTEM AT PAX CABIN. REF AEROMAN WO 2022-326/1 NRC 2022-597505; REMOVED AND REPLACED EPSU BATTERY 13WL IAW AMM33-51-38-000-002-A AND AMM 33-51-38-400-002-A PERFORMED OPERATIONAL TEST 33-51-00-710-001-A TEST IS OK TRANSFERRED TO NRC 2022-597513 AEROMAN WO 2022-326/1.'

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