As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RTFL DUE TO SMOKE IN COCKPIT. [SUP 06-06-07] FOLLOWED SOP AND SHUTDOWN UTILITY BUSSES, ODOR AND SMOKE DISSIPATED SLIGHTLY. INSPECTION OF NR 1 ENG FOUND EVIDENCE OF OIL COMING OUT OF 2.8 COMPRESSOR BLEEDS AT 6 O'CLOCK & OUT OF 8TH STG BLEED PNEUMATIC DUCTS. ALSO FOUND METAL DEBRIS IN 8TH STG CHECK VALVE. REPLACED PILOT VALVE AND HIGH STAGE VALVE. REPLACED NR 1 ENGINE. THE EXACT CAUSE OF THIS IRREGULARITY COULD NOT BE ESTABLISHED.