What was found
FLT 822 - MCO-MCI - AIRCRAFT ABORTED TAKEOFF AS A RESULT OF A 20 KNOT DIFFERENTIAL REFERENCE BETWEEN CAPTAIN'S AND FIRST OFFICERS AIR SPEED INDICATORS. PERFORMED LEAK CHECK OF THE PITOT STATIC SYSTEM PER B737 MM 34-12-01. FOUND LEAK IN FIRST OFFICERS STATIC SOURCE. RE-TORQUED LINE CONNECTORS AND PERFORMED RE-CHECK OF SYSTEM. NO FURTHER LEAKAGE NOTED. RII ACCOMPLISHED AS REQUIRED. AIRCRAFT RETURNED TO SERVICE. (M)