As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER ENGINE START RIGHT PACK FAIL LIGHT ILLUMINATED ADN CABIN FILLED WITH SMOKE. DETERMINED RIGHT PACK TO BE PROBLEM. MOVED TO DEFER LOG PER MEL 21-50-1. DEFER WAS CLEARED BY REMOVING AND REPLACING THE REGULATOR SHUTOFF VALVE. OPS CHECK GOOD. (M)