What was found
AFTER LEVEL OFF AT FL 320, F/O NOTED THE NR 2 THROTTLE MOVED ITSELF TO FIREWALL POWER WHILE THROTTLES 1 AND 3 REMAINED AT CLIMB POWER. IMMEDIATELY RETARDED THE THROTTLE BACK TO MATCH 1 AND 3. EPR ON NR 2 WAS 2.57 AND TEMP EXCEEDED 650 DEG. OVERBOOST APPROX 5-10 SEC . N1 AND N2 NOT NOTED. CHECKED OPS OF NR 2 THROTTLE ASSY REF M/M 76-11-000-0 CHECKED NORMAL CHECKED THRUST LEVER FRICTION BRAKE ASSY REF M/M 76-11-001-8 CHECKED NORMAL WITH IN LIMITS WITH PUSH PULL SCALE DUE NO HISTORY