Service difficulty report · Circuit Breaker · Boeing 737890

Difficulty date
November 5, 2008
Submitted
November 13, 2008
Operation
Air carrier
Aircraft
N558AS
Make and model
Boeing 737890
Aircraft serial
35177
Aircraft time
9,189 hours, 2,686 cycles
Part
Circuit Breaker
Part number
8300005604
Part serial
13225D
Condition
Tripped
Location
Window Heat
Part time
296 hours, 84 cycles
Stage of operation
UK
How discovered
O
Nature of condition
J
Precautionary procedure
K

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

What was found

WINDOW HEAT "LEFT SIDE" OVERHEAT LIGHT ON. FOUND P6 12 "B7" C/B "LT SIDE WINDOW HEAT" OPEN RESET SAME PER SP CHAPTER 20 61 00. TESTED WINDOW HEAT ELEMENT FILM RESISTANCE AND SENSOR VALUES FOR CORRECT VALUES, NO FAULTS NOTED. COMPLETED FIM TASK AFTER C/B RESET PER 30 41 00 810 801. NO FAULTS NOTED, GROUND VERIFICATION SUCCESSFUL FOR ONE HOUR.