# SDR AALA202606232482

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 20, 2026
- Submitted: June 23, 2026
- Operation: Air carrier
- Aircraft: [N974UY](https://openairdocs.org/aircraft/N974UY), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 4898
- Aircraft time: 46,843 hours, 18,690 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Deu
- Part number: Z043H000351A
- Part serial: 043H00018363
- Condition: False Indication
- Location: Zone 800
- Part time: 46,851 hours, 18,693 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202606232482

## Discrepancy

AIRCRAFT WAS GROUNDED: FLIGHT ATTENDANT PANEL SHOWS A CAUTION FOR CHECK SLIDE PRESSURE ON 2R. MAINTENANCE REPLACED DECODER ENCODER UNIT B (DEU) AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 23-73-47 WHICH CLEARED THE MESSAGE ON THE FLIGHT ATTENDANTS PANEL.

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