# SDR CALA2025092309152

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 19, 2025
- Submitted: September 23, 2025
- Operation: Air carrier
- Aircraft: [N54538](https://openairdocs.org/aircraft/N54538), registered now
- Make and model: Airbus A321-271NX
- Registry model: [Airbus A321-271NX](https://openairdocs.org/model/airbus-s-a-s-a321-271nx) (OpenAirDocs)
- Aircraft serial: 12561
- Aircraft time: 191 hours, 75 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Cabin Pressure
- Condition: Overpressured
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2025092309152

## Discrepancy

CABIN OVERPRESS PRIOR TO DOOR OPEN ECAM FOLLOWED PACKS OFF NO FAULTS ON POST FLT REPORT ACCOMPLISHED TEST OF RESIDUAL PRESS CONTROLLER REF AMM 21-31-00-710-802-A AND BITE TEST OF BOTH PRESS CONTROLLERS REF AMM 21-31-00-710-002-A. NO FAULTS FOUND. NO HISTORY NOTED.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.