# SDR YENA201801200040

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 20, 2018
- Submitted: January 24, 2018
- Operation: Air carrier
- Aircraft: [N976JT](https://openairdocs.org/aircraft/N976JT), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 7529
- Aircraft time: 4,226 hours, 819 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Epsu
- Part number: 32146210
- Part serial: 155673
- Condition: Failed
- Location: Emergency Lights
- Part time: 1,167 hours, 228 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/YENA201801200040

## Discrepancy

EMERGENCY LIGHTS AT THE AFT OVERWING EXITS LT AND RT FAILED TO ILLUMINATE.  REMOVED AND REPLACED EPSU 12WL,  OPS CHECKED NORMAL IAW AMM 33-51-38.  ACFT OK FOR SERVICE.

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