As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: WHILE PERFORMING TROUBLESHOOTING WORK CARD 08L00021001(SMOKE ODOR FUMES INITIAL) FOUND #2 ENGINE OIL LEAK BETWEEN FAN SPINNER AND BOOSTER SECTION (E NG. CORE). FOUND OIL INSIDE THE BOOSTER SECTION AND TR COOL STREAM SECTION. REMOVED SPINNER. OIL LEAK VERIFIED. N1 SPEED SENSOR ORING REPLACED IAW AMM 77-11-01.