SDR 2009F00095

Service difficulty report · Controller · Gulstm 200

Difficulty date
October 22, 2009
Submitted
October 23, 2009
Operation
Air carrier
Aircraft
N725QS
Make and model
Gulstm 200
Aircraft serial
105
Aircraft time
4,080 hours, 2,599 cycles
Part
Controller
Condition
Malfunctioned
Location
Cabin Temp
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

UNABLE TO CONTROL COCKPIT OR CABIN TEMP IN BOTH MANUAL AND AUTO CONTROLLER MODES. THE CONTROLLER DID NOTHING IN BOTH MODES UNTIL 10,000', SEEMED TO WORK LOWER.