Service difficulty report · Heater · Boeing 737890

Difficulty date
June 2, 2012
Submitted
June 25, 2012
Operation
Air carrier
Aircraft
N564AS
Make and model
Boeing 737890
Aircraft serial
35103
Aircraft time
21,763 hours, 6,816 cycles
Engine
Cfmint CFM567B27
Part
Heater
Condition
Malfunctioned
Location
Lt Window
Stage of operation
CL
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

LEFT WINDOW OVERHEAT LIGHT ILLUMINATED AFTER TAKEOFF. FOLLOWED QRH SHUT WINDOW HEAT OFF, WAITED 5 MINUTES, TURNED ON AND OVERHEAT LIGHT DID NOT ILLUMINATED. LT SIDE WINDOW WAS VERY HOT TO TOUCH AFTER OVERHEAT LIGHT CAME ON AND FOR 5-10 MINUTES AFTER, BUT TEMP FELT NORMAL AFTER THAT. VERIFIED WINDOW HEAT CONTINUES TO WORK PROPERLY. INSPECTED WINDOW CONNECTIONS AND PIGTAIL - NO DISCREPANCIES NOTED. ACCOMPLISHED OPS TEST IAW 30-41-00. SYS OPS CHECKED NORMAL.