As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SMOKE IN CABIN OBSERVED. CLEARED UP WITH PACK 1 ON. SMOKE PERSISTED WITH PACK 2 ON. CREW NOTICED PACK 2 MAKING NOISE. R&R'D RT ACM IAW AMM 21-51-03-04. RAN PACK 2 WITH APU AND ENGINE BLEED. NO SMOKE OR OTHER DEFECTS NOTED AT THIS TIME. CLEAR MEL 21-13-1. NO BROKEN FAN BLADES NOTED ON REMOVED ACM.