Service difficulty report · Heater · Boeing 777222

Difficulty date
March 23, 2010
Submitted
April 1, 2010
Operation
Air carrier
Aircraft
N781UA
Make and model
Boeing 777222
Aircraft serial
26945
Aircraft time
55,475 hours, 10,045 cycles
Engine
Pwa PW4077
Part
Heater
Condition
Faulty
Location
Cockpit Window
Component
Window
Component part number
141W74002
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

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

What was found

WINDOW HEAT R FWD FAILURE OF RT NR 1 WINDSHIELD HEATING CIRCUIT (LOSS OF WINDOW COATING, WIRING, OR THE INDIVIDUAL WHCU CIRCUIT FOR THAT WINDOW). STATUS MSG-3021032 INACTV CL INTER 1R FWD WINDOW REPLACED. WINDSHIELD WIPER SYSTEM OPS TEST NORMAL.