What was found
NOSE GEAR WOULD NOT RETRACT, ASSOCIATED GEAR DISAGREE AND DOOR WARNING MSGS. HAPPENED ON CLIMB OUT WHEN SELECTING GEAR TO RETRACT AFTER 6 SECONDS. HYD PUMPS IN AUTO. UNDER 150 KNOTS. LANDING WEIGHTS 46,800 IBS. AIRCRAFT REMOVED FROM SERVICE, INSTALLED DOWN LOCK PINS IAW AMM 10-11-00 AND REMOVED THE FLAGS. REF 374446-3 FOR MEL. ACOSTA III, RAYMOND A&P 3745031 NLG OLEO CENTERED/EXTENDED PROX SENSOR (PS14GA) JAM NUTS FOUND LOOSE AND MISSING SAFETY WIRE, SENSOR IS LOOSE IN BRACKET. ADJUSTED AND RESECURRED NLG SENSOR PS14GA PER AMM 32-61-05, OPS CHECK GOOD. NLG RETRACT/EXTENSION CHECKS GOOD PER AMM 32-30-00. REMOVED PLACARD AND MEL.