What was found
AFTER TAKEOFF CREW REPORTED THE PITCH TRIM 1 AND 2 FAILED AND FIRST OFFICERS AIRSPEED WAS APPROXIMATELY 50 KNOTS LOW. MAINTENANCE COULD NOT DUPLICATE DISCREPANCY. OPERATIONAL CHECK OF PITCH TRIM SYSTEM WAS SATISFACTORY IAW EMB MM. A PITOT STATIC SYSTEM OPERATIONAL CHECK WAS COMPLIED WITH NO DEFECTS NOTED. A BROKEN PITOT STATIC DRAIN WAS FOUND AND REPLACED. AIRCRAFT WAS RETURNED TO SERVICE. (M)