What was found
OIL LEAKED FROM LEFT ENGINE IDG CARBON SEAL. CAPPED LEFT ENGINE IDG OIL DRAIN LINE AND NO LEAKAGE FOUND IAW AMM 71-71-001601. REMOVED THE NR 1 IDG IAW AMM 24-11-01, REV 120A, AND REPLACED IDG CARBON SEAL ASSY IAW AMM 72-64-02, REV 120A, AND INSTALLED IDG ASSY IAW AMM 24-11-01, REV 120A, AND CARRIED OUT IDG OIL LEAK CHECK IAW AMM 71-71-00, REV 120A, FOUND NO LEAK AND IDG OPERATION TEST CARRIED OUT IAW AMM 24-11-00, REV 120A, FOUND SATISFACTORY.