As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED A CARGO DOOR EICAS MESSAGE ON CLIMBOUT. AIRCRAFT RETURNED TO CLT WITHOUT INCIDENT. MAINTENANCE INSPECTED AND RE-SECURED THE CARGO DOOR LATCH. MAINTENANCE PERFORMED OPERATIONAL CHECKS AND FOUND NO DEFECTS. AIRCRAFT WAS RELEASED FOR SERVICE.