As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FA REPORTED STRONG FUMES FROM MID TO AFT CABIN FA REPORTED A DIRTY SOCK ODOR. R & R THE NR 2 ENGINE DEOILER SEAL IAW AMM 72-60-31. BOTH RESIRT FILTERS WERE REMOVED AND REPLACED IAW AMM 21-21-41. RAN BOTH ENGINES WITH BOTH PACKS ISOLATED. NO ODORS PRESENT. ACFT OK FOR SERVICE.