# SDR YENA2023092501122

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 23, 2023
- Submitted: September 25, 2023
- 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: 23,675 hours, 4,651 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- 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/YENA2023092501122

## Discrepancy

FLT#1873, EWR-LAX. 'FIN 13WL EPU FAILS TEST; REF FAULT FDEEPMS BY EPSU 13WL ACCOMPLISHED TSM 33-51-00-810-842A HAD MESSAGE ESCAPE SLIDE LEFT FOLLOWED TSM 25-62-00-810-819 FOUND CONNECTOR BETWEEN 13WL AND AFTL SLIDE DIRTY CLEARED PLUG AND OPS CHECK EPSU 13WL WITH NO FAULT BITE TEST PASSED. A/C OK FOR SVC.'

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