What was found
FLT#311, BOS-ORD. ENVIRONMENTAL ODOR CAME BACK AT 10K WITH LEFT PACK ISOLATED ( AIR CONDITIONING PACK BOTH PACKS INOP ). OPEN
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLT#311, BOS-ORD. ENVIRONMENTAL ODOR CAME BACK AT 10K WITH LEFT PACK ISOLATED ( AIR CONDITIONING PACK BOTH PACKS INOP ). OPEN