What was found
AIRCRAFT WAS NOT GROUNDED. NOSE GEAR UPPER LANDING GEAR INDICATOR GREEN TRIANGLE WAS NOT LIT. WHEEL PAGE SHOWED GEAR DOWN, ON 2 APPROACH AT 190 KNOTS. GEAR EXTENSION 3, GREEN ON LANDING GEAR INDICATOR. EMERGENCY DECLARED. FLIGHT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE PERFORMED LGCIU 1 AND LGCIU 2 BITE CHECK, NO FAULTS NOTED AND PERFORMED SATISFACTORY OPERATIONAL CHECKS PER AMM 32-31-00.