Service difficulty report · Controller · Boeing 777222

Difficulty date
December 4, 2022
Submitted
December 5, 2022
Operation
Air carrier
Aircraft
N219UA
Make and model
Boeing 777222
Aircraft serial
30551
Aircraft time
82,886 hours, 10,015 cycles
Part
Controller
Condition
Faulted
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

CABIN TEMP CONTROL INOP ALL ZONES AT THE GATE FOUND DIFFERENT ZONE WORKS OUT OF DIFFERENT CHANNELS. TEMPRATURE WERE GOING COLD TO HOT AND BACK TO COLD. REPLACED RIGHT CABIN TEMP CONTROLLER , GND CHK OK.