As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE IN CRUISE, A LOUD BANG WAS HEARD AND AC SHUDDERED. AC SETTLED OUT AND CREW DIVERTED TO AIRPORT. INSPECTION OF AC REVEALED MAIN TRANSMISSIOM SUPPORT CASE BROKEN AT DRAG LINK ATTACHMENT POINT. AC GROUNDED AND MAIN TRANSMISSION REPLACED. AC RELEASED BACK TO SERVICE.