As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: FORWARD LAVATORY DOOR IS DIFFICULT TO OPEN AND CLOSE. THE DOOR APPEARS TO BE STICKING AT THE BOTTOM LEFT-HAND SIDE OF THE DOOR. MAINTENANCE CLEANED BOTTOM OF DOOR AND DOOR SILL. ALSO ADJUSTED THE DOOR AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK.