As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NONE OF LAVATORIES WILL FLUSH APON ARRIVAL INTO MCO , FOUND VACUUM WASTE CONTROL CIRCUIT C11 VACCUM WASTE CONT C/B PER WDM 38-32-12-6 PG 6. SERVICED LAV BREAKER C11 OUT ON THE P91 BOARD. PREFORMED FIM 38-30 TASK 811 TANK AND OPERATED LAV SYSTEM SEVERAL TIMES. NO DEFECTS NOTED OK AND CHECKED THE CIRCUIT WIRING AT THE BLOWER MOTOR, ALTITUDE FOR SERVICE. SWITCH, DUMP VALVE PROX SWITCH. ALL CHECKED NORMAL. REPLACED