As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
25 MINUTES AFTER TAKE-OFF, MEDICAL CREW NOTICED LIGHT SMOKE IN THE CABIN. PILOT REMARKED THAT THE ODOR WAS IDENTICAL TO A PREVIOUS INCIDENT WHERE ENGINE INLET FILTER OIL ENTERED THE COMPRESSOR AFTER SERVICING. MAINTENANCE CLEANED INLET AND PERFORMED A VISUAL INSPECTION AND A FUNCTIONAL CHECK, NO DEFECTS WERE NOTED. AIRCRAFT WAS GROUND RUN WITH HEATING AND DEMISTING SYSTEMS ON WITH NO DEFECTS NOTED.