As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(LOG 9593146) AT CRUISE JUST PRIOR TO TOD, FO SMELLED BURINING ELECTRICAL, NOTICED FIRE/ELECTRICAL IN WIND-SHIELD CAPT SIDE. TURNED OFF WINDOW HEAT TO L1 (L FWD). RAN QRH FOR WINDSHIELD DAMAGE, ARCING SHORTLY AFTER OUTER PANE SPIDER CRACKED. PERFORMED REMOVAL OF #1 WINDOW PER B737 AMM 56-11. INSTALLED #1 WINDOW PER B737 AMM 56-11. R/R LT FRONT CONTROLLER IAW B737 AMM 30-41. OPS CHECK GOOD PER B737 AMM 56-11.