Service difficulty report · Controller · Boeing 777222

Difficulty date
August 4, 2009
Submitted
August 5, 2009
Operation
Air carrier
Aircraft
N215UA
Make and model
Boeing 777222
Aircraft serial
30221
Aircraft time
32,287 hours, 7,107 cycles
Engine
Pwa PW4077
Part
Controller
Part number
11511007
Part serial
82
Condition
Failed
Location
Cabin Pressure
Stage of operation
TX
How discovered
O
Nature of condition
O
Precautionary procedure
D

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

What was found

ASCP PRIMARY CTRL L LEFT AIR SUPPLY AND CABIN PRESSURE CONTROLLER FAILED. REPLACED LEFT AIR SUPPLY CABIN PRESSURE CONTROLLER.