As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE HAD STRONG ODORS IN FLT DECK ANDGALLEY. FOUND NO EVIDENCE OF ODOR. PERFORMED TSM 05-50-00-810-831-A . PERFORMED OPS CHECK OF BOTH PACKS. FOUND #1 PACK TO BE CAUSING ODOR. FOUND #1 PACK TO BE CAUSING ODOR. PERFORMED VISUAL REPLACED RECIRCULATION FILTERS. RAN LEFT AND RIGHT PACKS. NO SMELLS NOTED.