As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TEST OF WINDOW O-HEAT SYS FOUND L2 WINDOW SHOWS (OVERHEAT) LIGHT ILLUMINATED AND (OFF) LIGHT ILLUMINATED AND WITH SW (ON). FOUND BROKEN WIRE AT D10572 PIN NR 3, IAW AMM 20 AND WDM 30-41-12 AND FIM 30-41-00-810-813. REPLACED PIN- WINDOW NR L2 TEST OK. (K)