As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT GROUNDED. ODOR IN FLT CABIN ISOLATED PACK 2 OFF FOR REMAINDER OF FLT (DIRTY SOCKS). PERFORMED LEVEL "A" DECONTAMINATION OF ECS SYSTEM IAW AMM 21-00-00-615-802-A. NO FOUL ODORS NOTED. REMOVED AND REPLACED RECIRCULATION FILTERS IAW AMM 21-21-41-400-A. PERFORMED INSPECTION OF THE APU IAW AMM 49-00-00-200-812-A. NO DEFECTS NOTED. A/C OK FOR SERVICE. THIS AIRCRAFT WAS RETURNED TO SERVICE AT THIS TIME.