As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: WHILE TROUBLESHOOTING, LEFT FIXED WINDOW HEAT ISSUE. FOUND LEFT FIXED WINDOW DELAMINATED MEASURING 3.5 INCH AT WIDEST AND 13 INCH LONG. OUT OF LIMITS FOR ACRYLIC WINDOWS PER AARD 56-11-00. REMOVED AND REPLACED LEFT COCKPIT FIXED WINDOW IAW AMM 56-11-12.