What was found
A/T DISCONNECT BUTTON DOES NOT TURN OFF THE A/T P RST WARNING LIGHT. BOTH THROTTLE BUTTONS DISCONNECT A/T BUT DO NOT TURN OFF LIGHT. PRESS TO RESET A/T P RST LIGHT TURNS LIGHT OFF. GROUNDED - YES. FAILS A/T INTERACTIVE DISENG/WARNING TEST W/ THROTTLE DISCONNECT SW'S AT FAULT. REF B737-800 AMM 22-31-51, REMOVED/REPLACED L AND R THROTTLE LEVER DISCONNECT SW'S. OPS NML REF SAME AND A/T INTERACTIVE DISENG/WARNING TEST OPS NML. GROUND VERIFICATION TEST GOOD.