Service difficulty report · Controller · Boeing 757231

Difficulty date
October 29, 2025
Submitted
October 30, 2025
Operation
Air carrier
Aircraft
N711ZX
Make and model
Boeing 757231
Aircraft serial
28481
Aircraft time
93,393 hours, 24,627 cycles
Part
Controller
Condition
Faulted
Location
Window Heat
Part time
85,466 hours, 20,673 cycles
Stage of operation
CL
How discovered
O
Nature of condition
J, B
Precautionary procedure
A

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

What was found

DIV/FUME- TO DTW DUE TO L1 WINDOW HEAT TURNED OFF DUE TO FUMES FROM CONNECTOR WITH ICING FORECAST ENROUTE. REPLACED L1 WINDOW, WINDOW HEAT CONTROLLER AND WINDOW HEAT CONNECTOR.