What was found
IAH - FLT NR 2582 - DURING APPROACH TO IAH, WHEN LANDING GEAR WAS SELECTED DOWN, LEFT MLG FORWARD DOOR REMAINED OPEN. AIRCRAFT LANDED WITHOUT INCIDENT. INSPECTED AND FOUND GEAR DOOR MAINTENANCE SAFETY LATCH NOT SECURED. PROBLEM WAS CAUSED BY A BENT CATCH PIN FOR SAFETY LATCH. MAINTENANCE REPLACED CATCH PIN AND PERFORMED OPERATIONAL CHECK. AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. (M)