# SDR DALA2023060204431

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 26, 2023
- Submitted: June 2, 2023
- Operation: Air carrier
- Aircraft: [N363DN](https://openairdocs.org/aircraft/N363DN), registered now
- Make and model: Airbus A321-213
- Registry model: [Airbus A321-213](https://openairdocs.org/model/airbus-a321-213) (OpenAirDocs)
- Aircraft serial: 8502
- Aircraft time: 13,267 hours, 5,853 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: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2023060204431

## Discrepancy

FOUND EPSU (11WL) INOP. REMOVED + REPLACED EPCU (11WL) PER AMM 321 REF 33-51-38 OPS CHECK GOOD. (LP# 4080805)

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