Service difficulty report · Control Unit · Boeing 7673JHF

Difficulty date
January 23, 2014
Submitted
January 24, 2014
Operation
Air carrier
Aircraft
N644GT
Make and model
Boeing 7673JHF
Aircraft serial
37810
Aircraft time
2,365 hours, 630 cycles
Part
Control Unit
Condition
Malfunctioned
Location
Window Heat
Stage of operation
LD
How discovered
O
Nature of condition
N
Precautionary procedure
O

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

What was found

UPON STARTING APU AFTER LANDING, RT FWD WINDOW, EICAS MESSAGE. FOLLOWED FAULT CODE 30901442. RE-RACKED WINDOW HEAT CONTROL UNIT & BITE TEST THE UNIT THEN CHECKED OK IAW AMM 30-41-01-404-007. PERFORMED OPERATION TEST OF FLT COMP WINDOW ANTI-ICING SYS & CHECKED OK IAW AMM 30-41-00, MESSAGE GONE, ACFT OK FOR SERVICE.

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