What was found
FLT#2319, EWR-AUA. 'LEVEL 1 ODOR EVENT IN DESCENT. OIL SMELL STARTED AT 10,000 AND DISSIPATED AT 3,000. FLT CREW AND FWD FA SMELLED ODOR, AFT FA SMELLED NOTHING. COMPLETED ODOR RECOGNITION GUIDANCE CHECKLIST AND ODOR REPORTING FORM. APU OFF ( PACKS ).' (SUPPLEMENTAL INFORMATION TO FOLLOW)