Service difficulty report · Shutoff Valve · Cessna 680CE

Difficulty date
August 8, 2016
Submitted
August 11, 2016
Operation
Air carrier
Aircraft
N621CS
Make and model
Cessna 680CE
Aircraft serial
6800120
Part
Shutoff Valve
Part number
C1448732
Part serial
1966
Condition
Stuck
Location
Pneumatic Sys
Part time
4,684 hours, 3,148 cycles
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
B

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

DURING CLIMBOUT, RECEIVED A UNDER HEAT CONDITION RIGHT SIDE, FOLLOWED BY A SUPPLY BLEED LEAK LEFT SIDE MESSAGE. EXITED ICING CONDITIONS AND ANTI-ICE CAME OFF. SHORTLY AFTER, RECEIVED THE AMBER CABIN ALTITUDE MESSAGE. AFTER RECEIVING THE AMBER CABIN MESSAGE, THE RED FOLLOWED WITHIN 2 MINUTES. BEGAN EMERGENCY DESCENT; THE CABIN NEVER GOT ABOVE 11,000 FEET. PERFORMED ENGINE RUNS AND FOUND THE RT BLEED AIR SHUTOFF VALVE STUCK IN THE CLOSED POSITION.