What was found
#1 ENGINE OIL TREND DATA SHOWS OIL CONSUMPTION TO GREATER THAN EXPECTED. ENGINE POWER RUN REQUIRED. GROUNDED - YES. BAGGED APPLICABLE OIL DRAIN LINES FOR POWER RUN. DURING PART POWER RUN, DISCOVERED LARGE AMOUNT OF OIL COMING OUT OF N2 DRIVE PAD DRAIN. REMOVED AND REPLACED N2 DRIVE PAD SEAOL SEAL, REF B737-900 AMM 72-60-00, LEAK CHECK GOOD. WHILE PERFORMING LEAK CHECK ON N2 DRIVE PAD SEALOL, DISCOVERED OIL LEAKING FROM IDG PAD DRAIN OUT OF LIMITS. REMOVED AND REPLACED IDG PAD SEALOL, REF AMM 72-60-00. COMPLETED IDG PAD SEALOL LEAK CHECK PER AMM 71-71-00-200-801-F00. LEAK CHECK GOOD.