As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTS AFT LEFT DOOR WILL NOT ARM PROPERLY. MAINTENANCE FOUND DOOR ARMED WITH HANDLE IN MID POSITION . WILL NOT DISARM OR HANDLE WILL NOT GO TO DOOR CLOSED POSITION. FOUND DOOR OUT OF SEQUENCE INSPECTED EMERGENCY EGRESS SYSTEM NO DEFECTS NOTED. RE-INSTALLED SLIDE AND OP CHECKED DOOR AND SLIDE OPERATION. OPERATION NORMAL AND DOOR INDICATION NORMAL.