Service difficulty report · Control Unit · Boeing 737890

Difficulty date
November 22, 2011
Submitted
November 23, 2011
Operation
Air carrier
Aircraft
N532AS
Make and model
Boeing 737890
Aircraft serial
36346
Aircraft time
5,378 hours, 1,775 cycles
Part
Control Unit
Part number
8300005604
Part serial
15414D
Condition
Faulty
Location
Cockpit
Part time
5,356 hours, 1,770 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

RIGHT SIDE WINDOW OVERHEAT ILLUMINATED. PERF WHCU BITE CHECK PROCEDURE PER FIM 30 41 00 810 801. FOUND RT SIDE SENSOR FAULT. PERF FIM TASK 30 41 00 810 811. WINDOW SENSOR FAULT ISOLATION. SWAPPED RT SIDE WINDOW TO SPARE SENSOR AND REPLACED COIL CORD. REPLACED WHCU IAW AMM 30 41 11. SYSTEM GRND VERIFICATION NORMAL. NO FURTHER FAULTS NOTED.