Service difficulty report · Control Unit · Boeing 76731K

Difficulty date
April 25, 2019
Submitted
April 26, 2019
Operation
Air carrier
Aircraft
N1489A
Make and model
Boeing 76731K
Aircraft serial
27206
Aircraft time
104,754 hours, 20,383 cycles
Part
Control Unit
Part number
6240665
Part serial
037C3282
Condition
Failed
Location
Window Heat
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

R FWD WINDOW EICAS IN FLIGHT. 1 RESET PER QRH. MSG REAPPEARED, R FWD WINDOW HEAT SWITCH WAS TURNED OFF.(<P>R FWD & L SIDE WINDOW HEAT CONTROL UNIT FAILED ON BITE PROCEDURE R/R CONTROL UBIT IAW AMM 30-41-01. OPS CHECK GOOD. NO DEFECTS NOTED AT THIS TIME.</P>)

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