As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CAPTAIN'S MACH INDICATOR HAS .14 MACH SPLIT AND EIGHT KNOTS SPLIT BETWEEN FIRST OFFICER'S AIRSPEED. SELECTING CENTRAL AIR DATA COMPUTER TO BOTH ON ONE AND TWO CORRECTED THE SPLIT. FOUND MASSIVE LEAK IN PITOT ON NUMBER ONE PITOT SYSTEM, TIGHTENED FITTINGS, LEAK CHECKED GOOD.