As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DESCENT PASSING THROUGH 16000 FEET THE CAPTAINS WINDSHIELD STARTED CRACKING. NEITHER PILOT NOTICED ANY BIRD IMPACT OR OTHER EXTERIOR FORCE THAT COULD HAVE CAUSED IT. R & R CAPTAINS LT WINDSHIELD IAW MM 56-11-00-2. REINSTALLED WINDSHIELD WIPER ARM IAW MM 30-43-25-4. OPERATIONS CHECKED GOOD. ACFT OK FOR SERVICE.