What was found
NR 2 IDG REQUIRED FREQUENT SERVICING. ACFT GROUNDED. CLEAN EXTERNAL PORTIONS OF THE NR 2 IDG, PERFORMED STATIC LEAK CHECK IAW AMM 24-11-00-700-801. REMOVED AND REPLACED IDG VENT VALVE, IDG SERVICE FITTING, AND PUSH TO VENT VALVE IAW IAW AMM 24-1100-700-804. RAN ENGINE AT IDLE FOR 10-15 MINUTES, NO LEAKS DETECTED. CHECKED AIR/OIL COOLER FOR LEAKS, NO LEAKS, OPS CHECKED GOOD IAW AMM 24-11-21. GROUND VERIFICATION NO LEAKS FOUND.