# SDR DALA2021060103003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 31, 2021
- Submitted: June 1, 2021
- Operation: Air carrier
- Aircraft: [N851NW](https://openairdocs.org/aircraft/N851NW), registered now
- Make and model: Airbus A330-223
- Registry model: [Airbus A330-223](https://openairdocs.org/model/airbus-a330-223) (OpenAirDocs)
- Aircraft serial: 0609
- Aircraft time: 66,569 hours, 8,623 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Cabin Pressure
- Condition: False Indication
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2021060103003

## Discrepancy

SHIP 3351 -ATB- DUE TO CABIN PRESSURIZATION CONTROL. CORRECTIVE ACTION: NO FAULTS FOUND ON CPC 1&2. PERFORMED CPC 1&2 AUTO AND MAN OPERATIONAL TESTS WITH NO FAULTS FOUND.(7334554)

---
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.