# SDR YENA2021082000536

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 16, 2021
- Submitted: August 20, 2021
- Operation: Air carrier
- Aircraft: [N985JT](https://openairdocs.org/aircraft/N985JT), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 07798
- Aircraft time: 15,309 hours, 2,979 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Epsu
- Part number: 32146210
- Part serial: 156146
- Condition: Failed
- Location: Emergency Lights
- Part time: 15,309 hours, 2,979 cycles
- 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/YENA2021082000536

## Discrepancy

FLT# 1774 LAX-EWR. DURING WEEKLY CHECK FOUND AFT EMERGENCY LIGHTS INOP ; R/R AFT EMERGENCY LIGHT EPSU IAW AMM 33-51-38, OPS CHECK SAT OK FOR SVC

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