As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON ARRIVAL, FLT ATTNDT NOTIFIED CREW THAT THE DISARMING LEVER AT 1L WAS VERY DIFFICULT TO MOVE AND MADE LOUD NOISE WHEN REACHING DISARM POSITION. CORRECTIVE ACTION: CLOSED 1L DOOR AND OPERATED DISARMING LEVER SEVERAL TIMES. ARMING LEVER OPERATES NML AT THIS TIME. REF A320 AMM 52-11