As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ACRID SMELL AND POTENTION SMOKE IN THE COCKPIT NOTICED BY FLIGHT CREW ON DECENT. TROUBLESHOOT ABNORMAL SMELL IN CABIN/COCKPIT. FOUND PACK 1 EXHAUST SMOKEY, AND NOT VERY HOT, ALSO FOUND PACK 1 TO BE VERY LOUD. REMOVED AND REPLACED ACM. OPS CHECK SAT. NO FURTHER DEFECTS NOTED. NO SMOKE OR BURN SMELL IN COCKPIT.