What was found
AIR TURNBACK, PASSING 20,000 FEET NOTICED ARCING AND BURNING IN LOWER RIGHT CORNER OF CAPT WINDSCREEN. TURNED OFF HEAT PER QRH. PASSING 24,000 WINDSCREEN SHATTERED. COMPLETED CHECK LIST IN QRH. RETURNED TO RFD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIR TURNBACK, PASSING 20,000 FEET NOTICED ARCING AND BURNING IN LOWER RIGHT CORNER OF CAPT WINDSCREEN. TURNED OFF HEAT PER QRH. PASSING 24,000 WINDSCREEN SHATTERED. COMPLETED CHECK LIST IN QRH. RETURNED TO RFD.