What was found
ON APPROACH, THE PILOT REPORTED THAT THE LT & RT HYD SYS WARNING ANNUNCIATORS ILLUMINATED. THE PILOT SELECTED THE LG HANDLE TO THE EXTEND POSITION, THE GEAR UNSAFE LIGHT REMAINED ILLUMINATED. THE PILOT PERFORMED AN EMER LG EXTENSION. FOLLOWING A SUCCESSFUL EXTENSION OF THE LG, THE LG UNSAFE LIGHT EXTINGUISHED & THE PILOT LANDED WITHOUT INCIDENT. INSPECTION REVEALED A LEAK IN A HYD HARD LINE IN THE RT LG WW AREA. REPLACED THE HARD LINE. PERFORMED A HYD SYS MX OPERATIONAL CHECK OF THE LG & FLAP SYSTEMS. ALL CHECKS WERE NORMAL & NO LEAKS PRESENT.