As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN DOOR IS BINDING UP WHEN CLOSING. OPERATED DOOR. VERIFIED BINDING AND SOUND WERE COMING FROM THE TELESCOPING ROD STICKING. FOUND TELESCOPING ROD TO HAVE DEBRIS AND DRIED LUBE ON IT. CLEANED TELESCOPING ROD. OPERATED DOOR MULTIPLE TIMES. TELESCOPING ROD NO LONGER CHATTERS AND BINDS AND DOOR OPERATES NORMALLY REF CE 680A MM 52-10-00