As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT FORWARD WINDOW OVERTEMP LIGHT ON. FOUND LT FWD OVERHEAT SENSOR FAULT ON WHCU DURING OPS TEST. REF MM 30 41 00. IT WAS A "HARD FAULT" WITH HISTORY. MOVED SPARE SENSOR SWITCH TO "SPARE" POSITION REF FIM TASK 30 41 00 810 812 LIGHT EXTINGUISHED & WHCU BITE TEST PASSED. OPS CHECK OK.