# SDR YENA2020032430260

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 23, 2020
- Submitted: March 24, 2020
- Operation: Air carrier
- Aircraft: [N987JT](https://openairdocs.org/aircraft/N987JT), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 07855
- Aircraft time: 10,852 hours, 2,106 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Epsu
- Part number: 32146210
- Part serial: 156411
- Condition: Failed
- Location: Cabin
- Part time: 10,852 hours, 2,106 cycles
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA2020032430260

## Discrepancy

FLT #190. SSN-JFK. EPSU AT LOCATION 12WL FAILED EMERGENCY TEST ; R & R EPSU AT LOCATION 12WL IAW AMM 33-51-38. OPS CHECK GOOD

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