What was found
EICAS MESSAGE GEAR DISAGREE DYSPLAYED WITH WITH GEAR HANDLE UP, NOSE GEAR GREEN DN LGT FAILED TO EXTIN DOORS AMBER LIGHT WAS EXT & GEAR LIGHT ILLUMINATED. PERFORMED NLG INSP CHECK AND IT WAS FOUND THE LANDING GEAR NOSE PIN INSTALLED . REMOVED IAW AMM 32-00-20, PG 201. BY REFER TO ADDITIONAL PILOT REPORT, RETURNED TO DEPARTURE DUE TO NOSE GEAR DID NOT RETRACT AND OVERWEIGHT LANDING WAS ACCOMPLISHED WITHOUT PROBLEM. LDG WEIGHT 137000 KG. PERFORMED OVERWEIGHT LANDING INSP IAW 05-51-35, PG 201-203, ITEM 2B. NO DEFECTS NOTED.