What was found
RH LANDING GEAR TOOK EXCESSIVELY LONG TO EXTEND AND / OR RH MAIN GEAR TO ILLUMINATE, LH AND NOSE GREEN LIGHTS WERE THE ONLY LIGHTS FOR 5-6 SECONDS. AT GEAR UP SELECTION, RECEIVED GEAR DISAGREE EICAS CAUTION MSG, GEAR DOORS EICAS ADVISORY MSG, AND A LDG GEAR MONITOR MSG W/ DU DEGRAGED STATUS MSG(<P><SPAN>R/R S240 SW & PSEU IAW AMM 32-09-04. OPS CHK OK. DMI 242595 CLOSED</SPAN></P>)