As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED STRONG ODOR OF BURNING OIL IN FLIGHT. ODOR APPEARED TO INCREASE IN INTENSITY AT HIGHER POWER SETTINGS. DISCOVERED OIL IN THE BLEED AIR SYS & DETERMINED THAT THE OIL WAS BLOW BY FROM WORN SEALS ON THE ENG. THE BLEED AIR SYS WAS CLEANED & THE NR 1 ENG WAS REPLACED.