Service difficulty report · Control Unit · Boeing 737890

Difficulty date
June 24, 2015
Submitted
June 26, 2015
Operation
Air carrier
Aircraft
N513AS
Make and model
Boeing 737890
Aircraft serial
35192
Aircraft time
25,782 hours, 7,877 cycles
Part
Control Unit
Part number
8300005604
Part serial
0158
Condition
Failed
Location
Window Heat
Part time
1,649 hours, 469 cycles
Stage of operation
LD
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

ON LANDING ROLL LT SIDE WINDOW HEAT OVERHEAT LIGHT ILLUMINATED. ACFT GROUNDED. ACCOMPLISHED WHCU BITE TEST IAW FIM 30-41, TASK 801, NO FAULTS FOUND. R & R WHCU IAW AMM 30-41-11, NO FAULTS FOUND GROUND VERIFICATION SUCESSFUL. LT SIDE WINDOW HEAT O/H LIGHT REMAINS OFF.