# SDR DALA2021091705563

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 17, 2021
- Submitted: September 17, 2021
- Operation: Air carrier
- Aircraft: [N365DN](https://openairdocs.org/aircraft/N365DN), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 8536
- Aircraft time: 7,178 hours, 3,109 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: No Test
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2021091705563

## Discrepancy

EPSU 15WL FAILED OPS CHECK-OUTS. REMOVED AND REPLACED EPSU 15WL PER A321 AMM 33-51-38, OPS CHECKS GOOD. SEE N/R 303. (LP# 1951481)

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