What was found
ALL LAVS QUIT FLUSHING IN FLIGHT. MID LAV HAD A CONTINUOUS VACUUM THROUGHOUT FLIGHT. FOUND LAV VACUUM MOTOR CIRCUIT BREAKER TRIPPED. RESET C/B, ALL LAVS FLUSHED WITH NORMAL VACUUM DRAW. ALL THE LAVS HAD WASTE WHICH FLUSHED UPON ACTIVATING A FLUSH CYCLE. STRONGLY SUSPECT MID LAV FLUSH VALVE INTERMITTENTLY STICKING OPEN WHICH CAUSED VACUUM BLOWER BREAKER TO TRIP DUE TO CONTINUOUS OPS. PULLED VACUUM BLOWER MOTOR & LEFT OUT FOR MX. R & R LAV T TOLIET ASSY IAW AMM 38-32-01, OPS CHKD GOOD, VERIFIED ALL OTHER LAV'S OPS NORMAL