# SDR ASOA200901449

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 22, 2009
- Submitted: December 23, 2009
- Operation: Air carrier
- Aircraft: [N451CA](https://openairdocs.org/aircraft/N451CA), registered now
- Make and model: Cndair CL6002B19
- Aircraft serial: 7562
- Aircraft time: 19,017 hours, 16,918 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Cabin Pressure
- Condition: Failed
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: G, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASOA200901449

## Discrepancy

AT 29000' CABIN ALT CAUTION AT 8500' THEN WENT TO RED WARNING AND ALL MASKS DROPPED AND HAD ALL GREEN DOOR INDICATIONS.  (EMERGENCY DECLARED -- ENROUTE, ACFT DIVERTED DUE TO MX).

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