What was found
DURING CRUISE, DESCENT, AND LANDING, THE NR 2 ENGINE LAGGED TARGET POINTER BY 20% N1. BOTH WITH AUTO THROTTLES ON AND OFF. THE NR 2 ENGINE N1 STUCK AT 92.4 % IN CRUISE. FOLLOWED QRH. REMOVED AND REPLACED THE NR 2 ENGINE MEC IAW AMM 73-21-01-04. ACCOMPLISHED VSV AND VBV STATIC RIGGING IAW AMM 73-21-01-05. PERFORMED WET MOTOR RUN, NO LEAKES FOUND. ACCOMPLISHED ENGINE RUN. ENGINE OPS CHECKED GOOD.