As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND L-2 WINDOW ARCING IN UPPER FWD CORNER. ACFT GROUNDED. REPLACED L-2 SLIDING WINDOW REF AMM 56-12-11. OPS & LEAK CHECKS NORMAL. PERFORMED RESISTANCE CHECK REF MM 30-41-11-400-801. MOVED TAP FROM TERMINAL 1, OLD WINDOW / H16, TO TERMINAL NR 3 NEW WINDOW / H14. REPLACED WINDOW HEAT CONTROL UNIT REF MM 30-41-11-400-801. OPS CK GOOD REF THE SAME.