As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SMOKE/SMELL, FLIGHT 5161, PILOTS REPORTED SMOKE IN THE COCKPIT AFTER STARTING THE ENGINE WITH PACKS OFF AND BLEEDS CLOSED. BOTH PACK FAIL LIGHTS ILLUMINATED WITH PACKS OFF. MAINTENANCE PERFORMED OPERATIONAL CHECKS OF THE PACK SYSTEMS IAW MM 21-50. OPERATIONAL CHECKS GOOD WITH NO FAULTS FOUND.