As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
L4 DOOR HANDLE UNSECURE, FLT DIVERTED. COMPLETED CHECK OF ADJUSTMENT OF DOOR 4L. REMOVED SLIDE AND LINING OF DOOR TO CHECK SAFETY AND SECURITY OF LINKAGES DOOR ADJUSTMENT CHECKED OKAY. VERIFIED DOOR ADJUSTMENT GOOD. DOOR CLOSES AND OPENS NORMAL. ARMING MECHANISM CK'S GOOD