What was found
LOUD, PRONOUNCED, SUSPECTED ENGINE COMPRESSOR STALL ON RT SIDE DURING TAKEOFF PASSING 70 KIAS, ABORT INITIATED. INSPECTED NR 3 AND NR 4 ENGINES FOR DAMAGE, NONE NOTED. LUBED SURGE BLEED VALVE ON NR 3 AND NR 4 ENGINES. RAN ENGINES IAW 71-00, NO COMPRESSOR STALLS NOTED.