As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SMOKE IN THE COCKPIT. FUMES/SMOKE EMANATING FROM NR 3 A/C PACK AND OR TRIM VALVE (NO PACK OVERHEAT OR TRIP. PERFORMED AIR CONDITIONING SYSTEM CONTAMINATION CHECK PER AMM 21-00-01, PG 201 ON NR 3 PACK AND TRANSFERRED TO DI 22075 PER MEL 21-1-2B, PLACARD INSTALLED.