As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER ENGINE START, THE CREW NOTICED A RT COOLING PACK FAIL INDICATION AND SMOKE THE THE COCKPIT. THE CREW SHUTDOWN THE ENGINE AND NO OTHER ISSUES WERE NOTED. MAINTENANCE TROUBLESHOT THE NR 2 COOLING PACK FAILURE AND FOUND A BROKEN CLAMP ON THE BLEED AIR TO HEAT EXCHANGER FEED LINE. REMOVED AND REPLACED THE CLAMP. VISUALLY INSPECTED THE REMAINDER OF THE COOLING PACK. OPERATIONAL CHECKED GOOD.