# SDR DALA2024111110827

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 11, 2024
- Submitted: November 11, 2024
- Operation: Air carrier
- Aircraft: [N355DN](https://openairdocs.org/aircraft/N355DN), registered now
- Make and model: Airbus A321-213
- Registry model: [Airbus A321-213](https://openairdocs.org/model/airbus-a321-213) (OpenAirDocs)
- Aircraft serial: 8359
- Aircraft time: 18,476 hours, 8,055 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: No Discrepancy
- Location: Zone 200
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2024111110827

## Discrepancy

AIRCRAFT 3055, L1 AND R1 EMERGENCY LIGHTS TURNED ON AND OFF ON THEIR OWN THROUGH THE FLIGHT. CORRECTIVE ACTION: PERFORMED BITE CHECK OF EPSU. OPS CHECKS GOOD. NO FAULTS AT THIS TIME. NO 30-DAY HISTORY. (LP 6355220)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.