What was found
AFTER TAKEOFF, AFTER 1000' AGL, CLIMB MODE, LT ENG EPR SURGED +/- 0.10% TOTAL OF 0.20 EPR, N1 BOUNCING +/- 10%. QRH ENG LIMIT OR SURGE OR STALL CHECKLIST. AT 50% N1 ENG STABILIZED. INSPECTED PITOT HEADS ON LT SIDE, FOUND TWO HEADS MISSING. INSPECTED RT SIDE FOUND ONE PITOT HEAD MISSING. IAW MM 72-34-10-8-4 INSTALLED TWO PILOT RETENTION ASSY PLATES. ONE ON THE LT SIDE & ONE ON THE RT SIDE ON THE LOW PRESS COMPRESSOR SUPPORT ASSEMBLY IAW EM 72-34-13-300-005. PUSHED THROTTLES UNTIL EPR REACHED 1.58 ON NR 1 ENG. STARTED TIMER, EPR & N1 WERE ROCK STEADY DURING THE HIGH POWER ENG RUN, USING JRH. ACFT OK FOR SERVICE.