As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IMMEDIATELY AFTER DEPARTURE, FAINT ODOR SIMILAR TO HOT PACK DETECTED IN THE COCKPIT AND FORWARD CABIN. ODOR DISSIPATED WITHIN 3 MINUTES. ACCOMPLISHED INSPECTION OF PACK INLET SOCKS, BITE CHECK OF BOTH ZONE TEMPERATURE CONTROLLERS, AND REPLACED LEFT RECIRCULATION FILTER IAW AMM 21-25-01.