As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SMOKE IN CABIN, MAINLY IN BACK OF CABIN. DENSE SMOKE IN THE TOP. REMOVED AND REPLACED RH PACK ACM IAW AMM 21-51-08-000/400-801-A01. INSTALLATION COMPLETED UP TO CLOSE OUT. PERFORMED OPS TEST AND LEAK TEST OF THE R PACK IAW AMM 21-51-00-710-801-A01 AND AMM 21-51-00-790-801-A01. OPS AND LEAK TEST GOOD AT THIS TIME.