What was found
RIGHT GENERATOR DRIVE DISC CAUTION LIGHT. PERFORMED QRH, CREW ASSISTED TO PERFORM IDLE ENGINE RUN TO CONFIRM RT IDG DISCONNECTED. APPROVED MEL, RT ENG GEN DISCONNECTED AND SWITCHED OFF, DEFERRED IAW MEL 2400F. THERE IS HISTORH REF LP-7704551. R & R GCU AND IDG, CHECKED TREMINAL BLOCKS FOR SECURITY OR DAMAGE. TS PREV HISTORY SHOWS J2 CONNECTOR ON IDG FOUND LOOSE. NO WIRING DEFECTS FOUND ON IDG SIDE . R & R OF IDG ON NR 2 ENG IAW AMM 24-11-01, OPS CHKD GOOD, NO LEAKS FOUND.