Service difficulty report · Control Unit · Boeing 737990ER

Difficulty date
May 5, 2017
Submitted
May 9, 2017
Operation
Air carrier
Aircraft
N486AS
Make and model
Boeing 737990ER
Aircraft serial
44107
Aircraft time
6,573 hours, 2,227 cycles
Part
Control Unit
Condition
Malfunctioned
Location
Window Heat
Stage of operation
CR
How discovered
O
Nature of condition
N
Precautionary procedure
O

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

What was found

R2 WINDOW OVERHEAT AT FL 350, RESET IAW QRH. R2 WINDOW OVERHEAT REOCCURRED. ACFT GROUNDED. REMOVED & REPLACED RIGHT SIDE WHCU. OPS CHECKED NORMAL IAW AMM 30-41-11-000-801, & 30-41-11-400-801.