Service difficulty report · Control Unit · Boeing 737890

Difficulty date
November 14, 2008
Submitted
November 18, 2008
Operation
Air carrier
Aircraft
N558AS
Make and model
Boeing 737890
Aircraft serial
35177
Aircraft time
9,275 hours, 2,710 cycles
Part
Control Unit
Part number
8300005604
Part serial
0825
Condition
Malfunctioned
Location
Window Heat
Part time
32,763 hours, 17,561 cycles
Stage of operation
NR
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

THE L SIDE WINDOW 'OVERHEAT' LIGHT ILLUMINATED AND PER CHECK LIST WOULD NOT RESET (380 53SAT NORMAL WARM TO TOUCH). FOUND C/B C392 POPPED. PERFORMED FIM TASK 30 41 00 810 806. REPLACED CIRCUIT BREAKER C392 REF WDM 30 41 12. VERIFIED LEFT SIDE WINDOW HEAT OPERATED NORMAL ON THE GROUND.