As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
R2 WINDOW HAD OVERHEAT CONDITION. PERFORMED QRH CHECKLIST FOR OVERHEAT. OVERHEAT LIGHT ILLUMINATED THEREAFTER. PERFORMED WINDOW HEAT SYSTEM OPS CHECK PER AMM30 41 00 R2 WINDOW OVERHEATED. SWAPPED COIL CORD WITH CAPT'S & F/O, NO HELP. SWAPPED LT SIDE WHCU WITH F/O RT SIDE WHCU OPS CHECKED PER AMM 30 41 11 RAN FOR 45 MIN NO OVERHEAT NOTED ON ANY WINDOWS. REPLACED WHCU PER MM 30 41 11 00 801 PERFORMED WINDOW HEAT SYS OPS TEST, TEST GOOD. OK FOR SERVICE.