# SDR AALA202410013563

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 26, 2024
- Submitted: October 1, 2024
- Operation: Air carrier
- Aircraft: [N155UW](https://openairdocs.org/aircraft/N155UW), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 5659
- Aircraft time: 34,037 hours, 14,015 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Deu
- Part number: Z043H000351A
- Part serial: 043H00011403
- Condition: Faulted
- Location: Zone 100
- Part time: 52,037 hours, 19,600 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/AALA202410013563

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: CIDS PANEL CAUTION L1 SLIDE LOW PRESSURE DISPLAYED.   MAINTENANCE REPLACED DECODER ENCODER UNIT 300RH1 (DEU) AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK.

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