What was found
LT PITOT TUBE WAS OBSTRUCTED BY SOME FOREIGN DEBRIS DURING TAKEOFF ROLL, HAD TO ABORT. NO AIRSPEED ON CAPTAIN PFD. ABORTED AT 75 KTS. REMOVED FWD LT NOSE BAGGAGE COMPARTMENT PANEL. DISCONNECTED PILOT LINE FROM ADC. USED N2 AND BLEW OUT PILOT LINE. NOTED NO FURTHER DEBRIS. CONNECTED LINE. CONNECTED PILOT SYS TEST EQUIPMENT. COMPLIED WITH PILOT SYS OPS AND LEAK CHECKS NOTING NO DISCREPANCIES. INSTALLED BAGGAGE PANEL AND DISCONNECTED PILOT TEST EQUIPMENT. ALL WORK IAW CN 34-11-00 OF THE MM.