Service difficulty report · Control Unit · Boeing 757222

Difficulty date
August 12, 2010
Submitted
August 27, 2010
Operation
Air carrier
Aircraft
N552UA
Make and model
Boeing 757222
Aircraft serial
26641
Aircraft time
70,932 hours, 20,406 cycles
Engine
Pwa PW2040
Part
Control Unit
Part number
6240664
Part serial
65
Condition
Failed
Location
Window Heat
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

L FWD WINDOW HEAT INOPERATIVE. REPLACED WHCU M191 IAW MM. SYS TESTED SATISFACTORY.