As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDIS 635 21-01 2441961 05APR21 ROA CLOSE STRONG FOUL SMELL ON TAKE OFF AND LANDING. SMELLED LIKE BURNT OIL. SMELL DIMINISHED IN FLIGHT FACT 05APR21 03:22 ROA RAN BOTH ENGINE BLEEDS ON AND APU, NO FOUL SMELLS NOTED. INSPECTED ENGINE EXHAUST FOR SIGNS OF OIL. NO WETNESS NOTED.