# SDR AALA202602176271

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 13, 2026
- Submitted: February 17, 2026
- Operation: Air carrier
- Aircraft: [N152UW](https://openairdocs.org/aircraft/N152UW), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 5588
- Aircraft time: 40,164 hours, 16,619 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Deu
- Part number: Z043H000351A
- Part serial: 043H00022862
- Condition: Warning Message
- Location: Zone 200
- Part time: 40,193 hours, 16,630 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/AALA202602176271

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: FLIGHT ATTENDANTS PANEL SHOWS CHECK DOOR PRESSURE FOR DOOR 2R. MAINTENANCE SERVICED THE 2R DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER AMM 52-22-00. (AALA202602174643) MAINTENANCE ALSO REPLACED DECODER ENCODER UNITS (DEU-B) 300RH4 (AALA202602170357) AND 300RH7 (AALA202602176271) PER AMM 23-73-17. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED WITH NO FAULTS NOTED.

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