What was found
L SIDE OVERHEAT LIGHT ILLUMINATED AT FL330 APPROX 20 MIN AFTER TOC, TURNED WINDOW HEAT OFF 5 MIN LIGHT REMAINED EXTINGUISHED. GROUNDED - YES. WINDOW HEAT OPS TEST GOOD B737-800 AMM 30-41-00.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
L SIDE OVERHEAT LIGHT ILLUMINATED AT FL330 APPROX 20 MIN AFTER TOC, TURNED WINDOW HEAT OFF 5 MIN LIGHT REMAINED EXTINGUISHED. GROUNDED - YES. WINDOW HEAT OPS TEST GOOD B737-800 AMM 30-41-00.