As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED THAT ALL COMMUNICATIONS WERE LOST UPON LANDING IN MEM. A/C RON''D IN TYS. MAINTENANCE IN MEM FOUND THE CAU HANGING OUT OF ITS RACK. RE-RACKED CAU AND LOCKED IN PLACE. FUNCTIONAL CHECK OF AUDIO SYSTEM GOOD. OK FOR CONT''D SERVICE.