# SDR YENA201902201675

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 16, 2019
- Submitted: February 20, 2019
- Operation: Air carrier
- Aircraft: [N905JB](https://openairdocs.org/aircraft/N905JB), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 5854
- Aircraft time: 19,253 hours, 6,141 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Epsu
- Part number: 32146210
- Part serial: 144140
- Condition: No Test
- Location: 13wl
- Part time: 19,253 hours, 6,141 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/YENA201902201675

## Discrepancy

FT # 610, SDQ-JFK. DUE TO R & R OF L3 OVERWING EMERGENCY ESCAPE SLIDE, OPS TEST OF EMERGENCY LIGHTING SYSTEM REQUIRED. CIDS EPSU SYS OPS TEST FAILS; PER TSM 33-51-00-810-836-A, R & R EPSU 13WL, EPSU BATTERY 13WL, AND EPSU BATTERY 15WL IAW AMM 33-51-38. NO FIX; EPSU OPS TEST CONTINUES TO FAIL. FURTHER T/S REQUIRED.

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