What was found
AIRCRAFT RETURNED DURING CLIMB, THE RED LIGHT OF NOSE LANDING GEAR TURNED ON, WITH THE LANDING GEAR LEVER IN UP POSITION. DURING MAINTENANCE REVISION, THE NLG LOCK PIN WAS FOUND INSTALLED; AT PLATFORM, THE NLG LOCK PIN WAS REMOVED IAW AMM 32-21-00, ALL CORRECT. MAINTENANCE PERSONNEL PERFORMED OVERWEIGHT CONDITIONAL INSPECTION IAW AMM 05-51-35 PHASE 1A, NO DAMAGES WERE FOUND.