What was found
POTABLE WATER SHOWS 140 GALLONS AND NO WATER COMING OUT OF FAUCETS DURING LAST HOUR OF FLIGHT. ON ARRIVAL, POTABLE WATER SHOWING,110 GALLON. SERVICED TO MAXIMUM, INDICATION SHOWING 140 GALLON, MAXIMUM. POTABLE WATER SYSTEM OPS CHECK NORMAL ON GROUND WITH APU RUNNING. INDICATOR ADJUSTED PER MM, CKS OKAY.