# SDR DALA2020121404090

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 11, 2020
- Submitted: December 14, 2020
- Operation: Air carrier
- Aircraft: [N302DN](https://openairdocs.org/aircraft/N302DN), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 7031
- Aircraft time: 13,005 hours, 7,026 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: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2020121404090

## Discrepancy

ON SERVICE CHECK, EMERGENCY LIGHTS ASSOCIATED WITH EPSU 11WL INOPERABLE.   CORRECTIVE ACTION: EPSU REMOVED INSTALLED EPSU, IAW A321 AMM 33-51.  OPERATIONS NORMAL.

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