As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB THOUGH FL 220, L AFT DOOR HANDLE MOVED OUT OF SECURE POSITION WITH ASSOCIATED L AFT ENTRY DOOR EICAS MESSAGE. LT AFT DOOR OPENED AND CLOSED SEVERAL TIMES NO PROBLEMS FOUND. AFT LT DOOR LOCKED AND ARMED AND DISARMED WITHOUT REMARKS. OK AT THIS TRANSIT REF AMM 52-12-00.