As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GRAND JUNCTION, COLORADO - AIRCRAFT DEPARTED AT SCHEDULED DEPARTURE TIME WHEN ABOUT 10 MINUTES OUT, THE PILOT'S LEFT SIDE WINDOW CRACKED FROM TOP TO BOTTOM ABOUT HALF WAY BACK. AIRCRAFT RETURNED TO GRAND JUNCTION WHERE WINDOW WAS REPLACED AND RETURNED TO SERVICE.