What was found
LOST CAPTAINS AIRSPEED INDICATOR ON TAKEOFF ROLL CONTINUED TAKEOFF NOTICED STBY AIRSPEED INDICATOR INOP AT 10,000 FT, WINDSHEAR/GRD PRX CAME ON THROUGH 500 FT. AFTER TAKEOFF LOST EPR 3, 2, 1 ABOUT 10 SECONDS APART THROUGH 12,000. FOUND NUMEROUS WORMS AND WATER IN CAPT'S PITOT SYS, FLUSHED SYS WITH NITROGEN, ALL DEBRIS REMOVED. PERFORMED PITOT/STATIC TEST PER MM 34-12 -06 . SYS OPS CHK OK. REMOVED AND REPLACED NR 1 ADC PRECAUTIONARY DUE TO WATER IN PITOT LINE P/N ON AND OFF 503FAD1-1, S/N ON 1881 OFF 1702.