What was found
ON FINAL APPROACH CREW LOWERED GEAR AND HAD 3 GREEN OVERHEAD AND 3 GREEN AND 3 RED ON LANDING GEAR MAIN PANEL. AT 2000 FT GEAR TOO LOW WARNING, EXECUTED GO AROUND, 2ND APPROACH NORMAL. JACKED A/C PER AMM 07-11-01-580-815, PERFORMED FIM TASK 32-30-00-810-816, LUBRICATED OUTER / INNER LEVER SHAFT PER 32-30-00-810-816 STEP E2G. CYCLED GEAR SEVERAL TIMES, GEAR OPERATION AND LIGHT INDICATION NORMAL AT THIS TIME.