As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A FLIGHT FROM PHL TO FOK, THE CREW NOTED A PIECE OF THE COPILOT. WINDSHIELD SEALANT SEPARATED. THE CREW DECIDED TO DECLARE AN EMERGENCY AND DIVERT TO JFK. A TECHNICIAN REMOVED AND REPAIRED THE LIFTING COPILOT'S WINDSHIELD EDGE SEAL IAW PILATUS AMM 12-B-20-50-03-00A-901A-A WITH NO FURTHER DEFECTS NOTED.