As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: LEFT AFT LAVATORY DOOR LOCK STICKS IN THE LOCKED POSITION. PEOPLE GET STUCK IN THE LAVATORY AND HAVE TO BE RESCUED BY FLIGHT ATTENDANTS USING THE OUTER LOCK. LUBE AFT LEFT LAVATORY DOOR LOCK MECHANISM. PER AMM 52-50-00.