As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#234, JFK-BTV. 'UPON GEAR RETRACTION IN THE COCKPIT WE RECEIVED AN ODOR SMELL. THE #2 FA SAID THE ODOR WAS SIGNIFICANT AND BEGAN TO DISAPPEAR AROUND 10000 FT. ( ENGINE BLEED SYSTEMS CROSSBLEED OPERATIVE ); #2 ENG CHANGED IN JFK JUST PRIOR TO THIS INCIDENT. REACTIVATED ENG 2 BLEED. PERFORMED ENGINE IDLE RUN. NO ODOR DETECTED. IN CABIN. MDDR CLOSED. MX-4 UPDATED. PLACARD REMOVED. MCC NOTIFIED.'