Service difficulty report · Control Panel · Boeing 757222

Difficulty date
April 29, 2011
Submitted
May 16, 2011
Operation
Air carrier
Aircraft
N547UA
Make and model
Boeing 757222
Aircraft serial
25368
Aircraft time
72,649 hours, 21,179 cycles
Engine
Pwa PW2037
Part
Control Panel
Part number
1305027
Part serial
37
Condition
Failed
Location
Cabin Pressure
Stage of operation
NR
How discovered
V
Nature of condition
J
Precautionary procedure
O

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

What was found

ALTITUDE CONTROLLER HAS FROZEN DIGITS IN LANDING ALT WINDOW. REPLACED CABIN PRESSURE SELECTOR PANEL AND PERFORMED OPS CHECKED PER MM.