What was found
AIR TURNBACK, CREW CALLED OUTBOUND WITH CLASS 1 LDG GEAR DOORS NOT CLOSED WITH LGCIU 1 AND 2 FAULTS. PERFORMED MANUAL GEAR EXTENSION AND LANDED WITHOUT INCIDENT. FOUND THE NOSE GEAR UPLOCK ACT ATTACH BOLT, BUSHINGS AND NUT BACKED OUT OF THE SUPPORT BRACKET. NEW BUSHINGS REINSTALLED AND RESHIMMED. REMOVED AND REPLACED LGCIU 1 AND 2.