What was found
TOILET FLUSH SYSTEM DOES NOT FLUSH ALL TOILETS ICE & VINEGAR. ACP BITE OF LCM NO FAULTS NOTED & LAV INOP TEST AT AFT FA PANEL CK GOOD NO FAULTS. HAD LAV SERVICED SEVERAL TIMES TO FLUSH OUT TANK. NO HELP. ACP PER FIM 38-30 TASK 811. FIM 38-30 TASK 801 & FIM 38-30 TASK 802. DEFER PER MEL. SENSOR READINGS FLUCUATES. ALL LAVS OPERATE. COMPLIED WITH DEFERAL PROCESS PLACARD APPLIED. TOMC APPROVED REF MEL 3802F ON ARRIVAL HAD LAVS TANK DUMPED & SERVICED. ALL LAVS FLUSHED NORMAL. LAV BLOWER IS OPERATING NORMAL. FOUND LAV QTY GUAGE WITH ERROUNOUS READING AFTER LAV FLUSH, QTY JUMPS UP TO FULL AFTER 5-10 SECONDS THEN BACK TO EMPTY LEVEL. ACP LAV SHORT SOAK WITH ADD EMP:346867 DURING FAULT ISOLATION TASK 38-30 TASK 822 C1 (WEAK VACUUM ) IN OTHER LAVS, AS PER TASK LAV E TOILET ASSY MUST BE REPLACED. FOUND LAV E FTOILLUSH VALVE TO HAVE VACCUM LEAK CAUSING WEAK FLUSH PARTS NOT IN STOCK PHX LAV E TOILET ASSY. REMOVED AND REPLACED TOILET ASSY AT RH AFT LAV E IAW AMM 38-32-01. LEAK CHECK AND OPS CHECK GOOD. ADD EMP:U371838,U359269 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1954231 SN OFF 3001 IPC REFERENCE # 38-32-01-51P