What was found
(CAN) EMERGENCY PRESSURIZATION VALVE CAME ON UNCOMMANDED ONCE FOR SEVERAL SECONDS IN FLIGHT. VALVE WAS REPLACED.NOTE: MFG REPORTS THIS IS A FLEET WIDE PROBLEM AND A NEW VALVE IS UNDERGOING CERTIFICATION.
- Difficulty date
- August 11, 2004
- Submitted
- February 3, 2005
- Operation
- General aviation
- Make and model
- Cessna 560CESSNA
- Aircraft time
- 557 hours
- Engine
- Pwa PW535A
- System (JASC)
- 2130 · Cabin Pressure Control System
- Part
- Valve
- Part number
- 471319X
- Part serial
- 0149
- Condition
- Failed
- Location
- Cabin Pressure
- Stage of operation
- DE
- How discovered
- O
- Nature of condition
- D, P
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.