What was found
AIRCRAFT WAS GROUNDED: PILOT REPORTS FUMES LIGHTLY AT FWD CABIN AND COCKPIT AND STRONGER FUMES IN AFT CABIN POST OP. DIRTY SOCK TYPE SMELL. STARTED WITH TAKEOFF AND WAS GONE ABOUT 10-12 MINS LATER CLIMBING THRU APPRO FL 220. MAINTENANCE JOB CARD 33L00021001. FOUND SOURCE TO BE ENGINE #2. SUSPECTED TO HAVE OIL CONTAMINATION FROM THE FRONT BEARING HOUSING WEEP HOLE.***SUPPLEMENTAL INFORMATION: MAINTENANCE ACCOMPLISHED EA 300567, FOUND NO OIL DRIP WITHIN 4 HOURS. ENGINE CLEARED FOR SERVICE.