What was found
NR 1 ENGINE UPPER IDG TERMINAL BLOCK HAS MELTED AREAS AND MISSING SHRINK WRAP ON WIRES. THE IDG STRUT DISCONNECT TERMINAL BLOCK INSPECTION/TORQUE CHECK ACCOMPLISHED AT THE SEGMENTED 'A' DISCOVERED THE OVERHEATED TERMINAL BLOCK. REVIEW OF IDG WRITE-UPS, LOGBOOK, AND MAINTENANCE MESSAGES PRIOR TO DISCREPANCY DID NOT INDICATE ABNORMAL IDG OPERATING CONDITIONS OR IN-SERVICE DIFFICULTIES. PHASE 'B' INITIALLY OVERHEATED POSSIBLY DUE TO IMPROPER TORQUE CAUSING THE CABLE LUGS TO LOOSEN AND OVERHEAT WITH HIGH RESISTANCE.