As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ODOR IN COCKPIT RETURNED AFTER PACKS CAME ON. ODOR SMELLS LIKE ROTTING FOOD. PERFORMED AIR CONDITIONING OPERATIONAL TEST RUNNING APU ONLY, NO SMELLS NOTED. PERFORMED ENGINE RUN ON BOTH ENGINES, RUN PACKS WITH ENGINES ONLY. NO SMELL CAN BE DUPLICATED AT THIS TIME.