What was found
FLIGHT NR 7, STAGE OF FLIGHT: TAKEOFF ROLL, 2ND ATTEMPT, CAPTAINS AIR SPEED INDICATOR INOPERATIVE. REMOVED CAPTAINS AIRSPEED INDICATOR QUICK DISCONNECTS, PURGED WITH NITROGEN, FOUND BLOCKAGE AT PITOT HEAD, REMOVED BLOCKAGE RECONNECTED QUICK DISCONNECTS. OPS CHECK GOOD, ALL WORK DONE IAW AMM, CHP 34. (K)