What was found
(CAN) ON ILS APPROACH, CAPTAIN'S GLIDE SLOPE SHOWED FULL SCALE HIGH. ON PASSING NDB/BEACON AT WHAT SHOULD HAVE BEEN FL 230, AIRCRAFT WAS BELOW GLIDE SLOPE, FIRST OFFICER'S INDICATOR SHOWED FULL SCALE BELOW GLIDE SLOPE. CORRECTION MADE AND A/C LANDED. FOUND PIN NR 52 BROKEN AND PIN PUSHED BACK 24R ON CONNECTOR D2012P. NEW VOR/LOCALIZER INSTALLED AND NEW ROLL COMPUTER INSTALLED. SERVICEABLE.