As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT WINDOW (L1) STARTED ARCING AT PC360 THEN SHATTERED. QRH COMPLETED. REMOVED AND REPLACE L1 WINDOW PER AMM56-11-01. OPS CK GOOD. TORQUED WINDSHIELD POWER TERMINALS AND SENSOR TERMINALS AS REQUIRED BY AMM 56-11-01-424-015.. APPLIED AERODYNAMIC SEALANT TO COMPLETE THE WINDOW INSTALLATION IAW AMM 56-11-01-424-015.