As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ENGINE RUN #2, FOUND OIL DRIPPING OUT OF AFT SUMP DRAIN PORT. GROUNDED - YES. REMOVED AND REPLACED #2 ENGINE LUBRICATION UNIT REF B737-900 AMM 79-21-01-400-801-F00 STEPS G (1)- (6). PERFORMED IDLE POWER LEAK CHECK ON #2 ENGINE LUBRICATION UNIT REF AMM 71-00-00-700-801-F00 TEST 3A. OIL DRIPPING ON #2 AFT SUMP DRAIN WITHIN LIMITS PER AMM 71-71-00-200-801-F00 STEP G(8)). OIL CONSUMPTION WITHIN LIMITS PER SEAMC.