Service difficulty report · Control Box · Boeing 777222

Difficulty date
November 21, 2012
Submitted
January 14, 2013
Operation
Air carrier
Aircraft
N775UA
Make and model
Boeing 777222
Aircraft serial
26947
Aircraft time
70,963 hours, 12,580 cycles
Engine
Pwa PW4077
Part
Control Box
Part number
7858972
Part serial
8
Condition
Defective
Location
Window Heat
Stage of operation
NR
How discovered
O
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

FLIGHT DECK WINDOW HEAT 1R SWITCH 'INOP' LIGHT STAYS ON. REMOVED & REPLACED WINDOW HEAT CONTROL BOX. MR30420-8 'OFF', MR30420-12 'ON'.