As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON THE GROUND ON APU POWER WHEN RT PACK TURNED ON, DID NOT COME ON. SMELLED SMOKE & THEN GOT PACK R FLO DISAG. TURNED SWITCH OFF AND SMELL WENT AWAY. R & R RT AIRFLOW SENSOR REF AMM 21-52. OPS CHK NML NO FAULTS, GOOD AIRFLOW. MEL/PLAC REMOVED. REVERSED M PROC. (7343272)