As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: MID LAVATORY DOOR LOCK JAMMED WITH PASSENGER INSIDE. THE LAVATORY DOOR HAD TO BE REMOVED FROM PART OF THE TRACK TO GET THE PASSENGER OUT. MAINTENANCE ADJUSTED AND LUBRICATED MID LAVATORY DOOR LOCK MECHANISM PER AMM 25-40-00, A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED.