What was found
AIRCRAFT WAS NOT GROUNDED: DURING ILS 35R STAB OUT OF TRIM LIGHT CAME ON JET DID NOT INTERCEPT GS AND TRIM WHEEL WAS NOT MOVING WITH AUTOPILOT ON, DISCONNECTED AUTOPILOT AND A VERY SHARP PITCH UP FOLLOWED, BUT WAS ABLE TO TRIM WITH YOKE SWITCH, LANDED NORMALLY. REPLACED STABILIZER TRIM MOTOR AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 27-41-71-000-801 AND AMM 22-11-81. (CLOSED)