As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE LOWER ENGINE MOUNTS RUPTURED CAUSING THE ENGINE TO DROP DOWN. THE ALTERNATE AIR CABLE STARTED TO CHAFE ON THE ENGINE MOUNT FRAME SO THE CABLE THEN CHAFED INTO THE ENGINE MOUNT FRAME MORE WHEN THE ENGINE SHIFTED ON THE MOUNTS THAT NOW HAVE PLAY IN THEN WITH A SAWING ACTION.