What was found
LAV WASTE SHOWED FULL AFTER LEVEL OFF IN CRUISE. NO TOILETS WOULD FLUSH. GROUNDED - YES. DIVERSION - PERFORMED WASTE TANK CONTINUOUS LEVEL SENSOR CLEANING PER AMM 38-33-02. INSPECTED BALL VALVE LINKAGE ASSEMBLY AND PROXIMITY SWITCH WITH NO DEFECTS NOTED. VERIFIED WASTE TANK EMPTY. ACCOMPLISHED LAV INOP BITE PER AMM 38-33-00 WITH NO FAULTS FOUND. ALL LAVATORY TOILETS OPS NORMALREF AMM 38-32-01. AIRCRAFT OKAY FOR SERVICE. SEAMC STEVE NOTIFIED.C# AP 4043953.