# SDR AALA202110197985

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 17, 2021
- Submitted: October 19, 2021
- Operation: Air carrier
- Aircraft: [N130AN](https://openairdocs.org/aircraft/N130AN), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6407
- Aircraft time: 22,728 hours, 6,613 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: None
- Condition: None
- 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/AALA202110197985

## Discrepancy

AIRCRAFT WAS GROUNDED: WHEN PERFORMING THE OPERATIONAL TEST OF THE EMERGENCY LIGHTING SYSTEM DURING THE PERIODIC SERVICE CHECK FOUND CLASS 1 MESSAGE "EPSU (10WL) FWD L /DEU B (300RH1). **SUPPLEMENTAL REPORT WILL BE SUBMITTED** (OPEN)

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