As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LAVATORY ISSUES, FLT DIVERTED. LEFT REAR INBD DISABLED TOILET WAS INOPERATIVE AND BLOCKED. ALL OTHER TOILETS OPERATED OK AND TANKS BOTH SHOWED LESS THAN HALF FULL. CLEARED BLOCKAGE FROM TOILET. REPLACED TOILET SEAT ASSEMBLY AND CARRIED OUT LEAK CHECKS AS PER MM. ALL OPS NORMALLY. OK FOR FURTHER SERVICE.