What was found
AFTER TAKEOFF, NG UNSAFE, LIGHT CAME ON & OFF INTERMITTENTLY FOR 5 MINUTES. JACKED NG IAW AMM 7-12-00. INSPECTED GEAR POSITION SENSORS & WIRING. PERFORMED GEAR SWING OF NG IAW 32-30-00. COULD NOT DUPLICATE AT THIS TIME. NG UP SENSOR REPLACED, PRECAUTIONARY. PERFORMED GEAR SWING OF NG IAW AMM 32-30-00. CHECKED GOOD AT THIS TIME.