As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEVERAL PAX SMELLED A SCORCHED ODOR AROUND ROW 27 ON THE RT SIDE OF THE ACFT. RAN PACKS WITH ENG BLEEDS RAN PACKS WITH APU BLEED NO SCORCHED ODOR NOTED. SLIGHT HYD FLUID ODOR NOTED. FOUND A HYD SYSTEM OVER SERVICED. SERVICED A HYD SYSTEM REF AMM 12-12-00. REPLACED BOTH RECIRCULATION AIR FILTERS REF AMM 21-25-01. SMELL NO LONGER NOTED REF AMM 05-51-56.