What was found
WITH SELECTION OF LG LEVER TO UP POSITION MASTER WARNING LIGHT ILLUMINATED. GEAR DISAGREE & NOSE DOOR OPEN MSG APPEARED ON EICAS. RAN QRH PROCEDURE, PUT GEAR HANDLE DOWN. BOTH MAIN GEARS EXTENDED NORMALLY & LANDING ACCOMPLISHED NORMALLY. FOUND NLG OLEO CENTERED & EXTENDED PROX SWITCH BRACKET BENT. R & R NLG OLEO CTR EXTENDED PROX SWITCH BRACKET IAW CMM 32-20-04. ADJUSTED PROX SWITCH PS14GA IAW AMM 32-61-05. PERFORMED OPERATIONS CHECK OF GEAR EXTENSION IAW AMM 32-30-00. OPERATIONS CHECKED GOOD COMPLIED WITH PA 05-018 REV K SCENARIO 1.