What was found
DURING TAKEOFF ROLL CTR GRAVITY 10.47, FLAP 4 AT APPROX 120 KTS, THE NOSE STARTED TO COME UP. PILOT PUSHED YOKE FWD TO FULL FWD & NOSE STILL CAME UP, TAKEOFF ABORTED. REMOVED LT ELEVATOR ACTUATOR FOM. INSTALLED LT ELEVATOR ACTUATOR IAW AMM 27-30-08. SEE LOG PAGE 596314 FOR OPERATIONS & LEAK CHECK. WHILE REMOVING LT ELEVATOR HINGE BOLT TO FOM BOLT WAS DAMAGED. REINSTALLED BOLT IAW ERO 5520-002 REVA REINSPECT DUE AT NEXT A CHECK.