What was found
STRONG OILY SMELL AFTER TAKEOFF, BELIEVE TO BE PACK SMELL. STILL COULD SMELL AT CRUISE. INSPECTED APU INLET FOR SIGNS OF OIL, NONE FOUND. RAN ENGINES ALTERNATING BLEEDS, SMELL STRONGEST WITH APU BLEED. INSTALLED MEL 49-10-01, CONTROL NR 106292. *S/D* APU WASHED, OPS CHECK GOOD AND MEL CLEARED.