What was found
AIRCRAFT WAS GROUNDED: MILD TO MODERATE OIL ODOR NOTICED IN FLIGHT DECK AND CABIN. ON GROUND WITH APU BLEED AND IN-FLIGHT DURING CRUISE, DESCENT, APROACH AND LANDING. MAINTENANCE FOUND EVIDENCE OF OIL ON APU PLENEUM AND APU AIR INTAKE. **SUPPLEMENTAL REPORT FOR AALA202210046447: MAINTENANCE FOUND THE APU OIL SYSTEM OVERSERVICED AND SERVICED IT TO THE PROPER LEVELS. MAINTEANCE CLEANED THE APU COMPARTMENT, THE APU LOAD COMPRESSOR, THE APU AIR INTAKE AREA AND ACCOMPLISHED A DECONTAMINATION OF THE ENVIRONMENTAL CONTROL SYSTEM PER TASK CARDS 26T3104006, 26L31049009, 26L00021004 AND AMM 49-00-00-100-003-A ** (CLOSED)