As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT FWD WINDOW ARCHED AND CRACKED IN FLIGHT AT FL 340 CREW DECLARED EMERGENCY AND DEVERTED TO TULSA AND LANDED . MTX GROUNDED AC AND MTX REPLACED R1 WINDOW ASSEMBLY IAW B 767 AMM 56-11-01 WINDOW HEAT OPS CHECK GOOD . AND MTX RETURNED AC TO SERVICE.