As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING CLIMB AT AROUND 17,000 FEET, THE PILOT COULD SMELL OIL FUMES AND SEE SMOKE IN THE CABIN. INVESTIGATION FOUND THE PRECOOLER COOLING FIN CRACKED ON THE SIDE OF THE INLET PORT LOCATED AT THE BOTTOM REAR. OIL HAD LEAKED IN CAUSING THE FUMES.