As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BOTH F/A REPORTED SMOKE ODOR BRIEFLY AFTER TAKEOFF AND AGAIN ON LANDING. NO VISIBLE SMOKE. C/W FIM TASK 21-20-00, MCN 62172-01, PERFORMED ENGINE RUNS WITH BOTH ENGINES AND PERFORMED ECS TEST OF AC, HEAT SYS. NO ABNORMAL ODORS NOTED. COULD NOT DUPLICATE. RETURNED TO SERVICE.