As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BURNING OIL SMELL NOTED WITH LEFT PACK ON ; STOPPED WHEN LEFT PACK TURNED OFF <[01]. PERFORMED VISUAL CHECK OF ENG #1 AND FOUND NO DEFECTS REF AMM 05-41-04. PERFORMED ENG RUN AND NO DEFECTS NOTED WITH LH PACK SELECTED ON WITH #1 ENG BLEED SOURCE REF AMM 21-00-00 AND AMM 71-00-00.