As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIR INTERRUPT, DIVERTED & EMER DECLARED. LANDING UNEVENTFUL & ACFT OVERWEIGHT. DURING CRUISE L1 WINDOW CRACKED SEVERELY WITH ELEC ARCING. R & R L1 WINDOW IAW AMM 56-11-01-404-017. R & R WINDOW HEAT CONTROL UNIT M191 AS A PRECAUTION. PERFORMED OPERATIONAL CHECKS. SYS CHECKED NORMAL.