Service difficulty report · Sensor · Boeing 777222

Difficulty date
February 7, 2012
Submitted
April 24, 2012
Operation
Air carrier
Aircraft
N775UA
Make and model
Boeing 777222
Aircraft serial
26947
Aircraft time
67,268 hours, 12,041 cycles
Engine
Pwa PW4077
Part
Sensor
Condition
Faulty
Location
Window Heat
Stage of operation
IN
How discovered
O
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 WINDOW SENSOR SWAP. DUE TO L WINDOW HEAT MSGS 30-21031, MAINT TO ACP FIM 30-41-TASK 805 AND SWAP WINDOW HEAT SENSORS. ACP'D FIM 30-41 TASK 805, MSG NOT ACTIVE. PER LM2950, SWAPPED L FWD WINDOW SENSOR REF FIM 30-41 TASK 805 & SWPM 20-90-15. ACP'D WINDOW HEAT CONTROL SYSTEM OPS CHK REF MM. CHECKS OKAY.