What was found
RED GEAR DOORS LIGHT AND R. GEAR DOOR LIGHT ON ENGINEER PANEL ILLUMINATED AFTER T/O WITH GEAR HANDLE OFF. LIGHTS OUT WHEN GEAR HANDLE PLACED IN UP POSITION. INSPECTED RT MLG DOOR SWITCH AND FOUND CONNECTOR PLUG LOOSE & DIRTY. CLEANED CONNECTOR PLUG AND RE-INSTALLED. INSTALLED GEAR PINS AND OPERATED DOORS PER 727 MM 32-12-00. DOOR LIGHTS OPERATED NORMALLY WITH GEAR HANDLE IN "UP/DOWN POSITIONS"