Service difficulty report · Control Unit · Boeing 757232

Difficulty date
November 2, 2025
Submitted
November 3, 2025
Operation
Air carrier
Aircraft
N6700
Make and model
Boeing 757232
Aircraft serial
30337
Aircraft time
72,872 hours, 27,907 cycles
Part
Control Unit
Part number
6240665
Part serial
031C1923
Condition
Failed
Location
Zone 200
Part time
69,232 hours, 29,387 cycles
Stage of operation
IN
How discovered
V
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

RIGHT FWD WINDOW HEAT INOPERATIVE. ON CLIMB OUT, GOT EICAS MESSAGE AND BURNING ODOR. SHUTOFF RT FWD WINDOW HEAT AND ODOR WENT AWAY. REMOVED RT FWD WINDOW IAW AMM 56-11. PERFORMED WIRE INSPECTION. FOUND NO BURNED WIRES OR SIGNS OF BURNED CONTACTORS. REPLACED WINDOW IAW AMM 56-11. ALSO R & R WINDOW HEAT CONTROL UNIT IAW AMM 30-41. OP CHECK NORMAL. PRESSURIZED ACFT WINDOW HAD NO LEAKS FOUND. NO BURNING ODOR NOTICED AND ECAS MESSAGE NO LONGER PRESSENT. (7927210)