As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TROUBLE OPENING MAIN CABIN DOOR. AGENT SAID LEVER MOVED FULLY UP BUT COULD NOT GET THE DOOR TO ACTUATE. TOOK MULTIPLE ATTEMPTS TO OPEN. OPERATED THE L1 DOOR SEVERAL TIMES IAW THE GHC. DOOR OPERATION SUCCESSFUL. NO DEFECTS NOTED AT THIS TIME.