As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED, PACK NR 1 PRODUCED STRONG RUBBER/PLASTIC SMELL DURING LAST 10-15 MINUTES OF FLIGHT; SMELL ASSOCIATED WITH AUTO MODE [OF PACK] ONLY, A/C. RELEASED IAW MEL 21-60-04 CATEGORY-C CONTROL NUMBER 050284. MAINTENANCE REMOVED AND REPLACED FORWARD AIR DISTRIBUTION VALVE IAW EMB145 MM 21-22-01, OPS CHECKED GOOD.