As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#422, NAS-JFK. ' ODOR COMING FROM AFT GALLEY; T/S IAW A220 FIM BD500-A-521-22-00-00AAA-423A-ATO STEP 2.2 FOUND NO SIGNS OF CONTAMINATION FOUND RAN BOTH ENGINES IAW A220 AMP J72-00-00 NO ODORS NO FURTHER DEFECTS NOTED AT THIS TIME A/C OK FOR CONT SVC.'