As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: DETECTED ENG OIL FUMES ON FLT DECK AND FWD GALLEY ON CLIMB OUT DIMINISHED IN CRUISE ON FLT DECK THEN RETURNED ON DESCENT. MAINTNENACE REPORTS APU WAS SOURCE OF ODOR. FOUND APU OVERSERVICED. DRAINED OIL TO PROPER LEVEL AND ACCOMPLISHED APU RUN. LEAK FOUND ON APU JUST FORWARD OF PLENIUM. APU REQUIRES CHANGE. SUPPLEMENTAL INFORMATION: MAINTENANCE REMOVED AND REPLACED APU IAW JOB CARD 26L31049005. OPS CHECKED GOOD, LEAK CHECKED GOOD. (CLOSED)