Service difficulty report · Control Unit · Boeing 737990ER

Difficulty date
December 1, 2018
Submitted
December 4, 2018
Operation
Air carrier
Aircraft
N467AS
Make and model
Boeing 737990ER
Aircraft serial
36362
Aircraft time
17,764 hours, 5,957 cycles
Part
Control Unit
Part number
8300005604
Part serial
8338D
Condition
Inoperative
Location
E&E Bay
Part time
45,604 hours, 14,364 cycles
Stage of operation
DE
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 DESCENT RIGHT SIDE WINDOW OVERHEAT COMPLIED WITH CHECKLIST. LIGHT STAYED OF AFTER COOLING. GROUNDED - YES. REMOVED AND REPLACED R/H WINDOW HEAT CONTROL UNIT IAW AMM 30-41-11. OPS CHECKS GOOD.