As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDIS 906 21-00 2318501 07APR21 CLT CLOSE LIGHT BURNING OIL SMELL WITH BLEEDS ON. DISIPATED SOON AFTER TAKEOFF. STRONGER NUMBER 2 PACK FACT 07APR21 13:28 CLT OPERATED BOTH PACKS WITH APU BLEED NO SMELL NOTED INCOCKPIT OR CABIN. OPERATED BOTH PACKS OF EACH ENGINE INDIVIDUALLY WITH NO SMELLS NOTED IN COCKPIT OR CABIN. BLEED AND PACK SYSTEMS OPERATE NORMALLY AT THIS TIME. A/C OK FOR SERVICE.