What was found
WINDOW HEAT LEFT SIDE CAME BACK ON DURING DESCENT INTO PDX. GROUNDED - YES. PERFORMED WHCU SYS TEST IAW B737-900 AMM 30-41-11-710-801. NO FAULT NOTED. GREEN LIGHT SHOWN. OPS NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
WINDOW HEAT LEFT SIDE CAME BACK ON DURING DESCENT INTO PDX. GROUNDED - YES. PERFORMED WHCU SYS TEST IAW B737-900 AMM 30-41-11-710-801. NO FAULT NOTED. GREEN LIGHT SHOWN. OPS NORMAL.