As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER DEPARTURE ACFT HAD A LOUD RUMBING SOUND, FOLLOWED BY A SMOKE ODOR. F/A ANNOUNCED SMOKE IN CABIN. IAW CFM 05-50-00-810-831-A. FOUND ACM AT FAULT. DEACTIVATED RT PACK, PERFORMED ENGINE RUN IAW AMM 71-00-00-710-043 AND RAN BLEED SYS. NO SMOKE OR ODOR NOTED IN CABIN.