What was found
STRONG ODOR IN CABIN REPORTED BY PAX, THEN F/A'S, PERFORMED INSPECTIONS IAW TSM 05-50-00-810-831-A. OPS CHECKS OF ENGINES, APU, PACKS ACCOMPLISHED, COULD NOT DUPLICATE DISCREPANCY. ECS DECONTAMINATION ACCOMPLISHED PER AMM 21-00-00-615-802. ACFT OK FOR SERVICE.