# SDR DALA2021110106726

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 29, 2021
- Submitted: November 1, 2021
- Operation: Air carrier
- Aircraft: [N831NW](https://openairdocs.org/aircraft/N831NW), registered now
- Make and model: Airbus A330-302
- Registry model: [Airbus A330-302](https://openairdocs.org/model/airbus-a330-302) (OpenAirDocs)
- Aircraft serial: 1783
- Aircraft time: 17,301 hours, 2,187 cycles
- System (JASC): [2132 · Cabin Pressure Indicator](https://openairdocs.org/jasc/2132)
- Part: None
- Condition: None
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2021110106726

## Discrepancy

SHIP 3331 CABIN PRESSURE EXCESS RESIDUAL ECAM WRNG. CORRECTIVE ACTION: SYS TEST OF THE ASPSU FROM BUILT IN TEST PANEL OK. TEST OF THE CABIN PRESSURE SW & FLOOR PANEL REINSTALL. PERFORMED OPS CHK OF RESIDUAL CABIN PRESSURE WARNING SYS & FUNCTIONAL CHK OF ASSOCIATED PRESSURE SWITCH IAW A330 AMM 52-71 & PERFORMED LOW RANGE LEAK CHECK OF STANDBY PNEUMATIC CIRCUITS PER A330 AMM 34-22. NO LEAKS & NO FAULTS NOTED. (2000379)

---
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.