What was found
RECEIVED PASSENGER DOOR WARNING MESSAGE IN FLIGHT. FA NOTED LIGHT AIR LEAK WHILE CABIN PRESSURE HELD NORMALLY. AFTER LANDING FA NOTED PASSENGER DOOR HANDLE LIGHTLY UP FROM REGULAR POSITION. FA REPOSITIONED THE HANDLE, MESSAGE DISAPPEARED. *****AIRCRAFT REMOVED FROM SERVICE******* INSPECTED CLEANED AND LUBRICATED PAX DOOR SEAL IAW AMM 52-11-10. PERFMORMED OPS CHECK OF CABIN DOOR PRESSURIZATION IAW AMM 21-31-00. OPS CHECK GOOD. PERFORMED OPS CHECK OF PASSENGER DOOR IAW AMM 52-11-00. OPS CHECK GOOD. NO FURTHER DEFECTS AT THIS TIME