As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX - DURING STARTUP, AFTER BLEEDS ON SMOKE IN CABIN FLIGHT DECK. COMPLIED WITH ISOLATION IAW PW123 EMM 72-00-01, FIGURE 119. PERFORMED DH8-SL-21-027 FOR ECS CONTAMINATION. SMOKE/OIL ODOR DID NOT REOCCUR. OPERATIONAL CHECK GOOD. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.