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 RIGHT SIDE OF THE AIRCRAFT. RAN PACKS WITH ENG BLEEDS RAN PACKS WITH APU BLEED NO ODOR NOTED. SLIGHT HYD FLUID ODOR NOTED. FOUND A HYD SYSTEM OVERSERVICED. SERVICED A HYD SYS IAW AMM 12-12-00. REPLACED BOTH RECIRCULATION AIR FILTERS REF AMM 21-25-01. ODOR NO LONGER NOTED IAW AMM 05-51-56.