# SDR DALA2025092907026

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 29, 2025
- Submitted: September 29, 2025
- Operation: Air carrier
- Aircraft: [N594DA](https://openairdocs.org/aircraft/N594DA), registered now
- Make and model: Airbus A321-271NX
- Registry model: [Airbus A321-271NX](https://openairdocs.org/model/airbus-s-a-s-a321-271nx) (OpenAirDocs)
- Aircraft serial: 12482
- Aircraft time: 6 hours, 7 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: Disconnected
- Location: Zone 200
- 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/DALA2025092907026

## Discrepancy

AIRCRAFT 5094, 6X EPSU DISCONNECTED.   RE-CONNECTED 6X EPSU IAW A321 AMM 33-51-38-400-001-A. OPERATIONAL CHECK BY BITE CHECK PERFORMED IAW A321AMM33-51-00-710-001-A, PASSED. (LP 6804607)

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