Service difficulty report · Sensor · Gulstm GIV

Difficulty date
November 10, 2017
Submitted
November 14, 2017
Operation
Air carrier
Aircraft
N412WW
Make and model
Gulstm GIV
Aircraft serial
1203
Aircraft time
8,628 hours, 3,593 cycles
Part
Sensor
Part number
2100136110
Part serial
44206
Condition
Malfunctioned
Location
Cabin Pressure
Part time
6,093 hours, 3,761 cycles
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

AFTER DEPARTURE, AUTO PRESSURIZATION FORCED OUTFLOW VALVE CLOSED, OVER PRESSURIZING CABIN. CAS MESSAGE INDICATED. FOLLOWED QRH, PERFORMED MANUAL SELECTION AND REGULATED CABIN PRESSURE. LEVELED OFF AND ASKED FOR DIVERSION. . PRESSURIZATION WAS CONTROLLABLE IN MANUAL MODE. MAINTAINED PROPER CABIN PRESSURE AFTER DESCENT BELOW 10,000 FEET. PASSENGERS AND AIRCRAFT UNAFFECTED. LANDED WITH NO FURTHER INCIDENTS.