What was found
OVERWHELMING PUTRID ODOR PESENT THRU OUT ENTIRE CABIN AND COCKPIT. FOWARD CARGO PIT WAS FULL OF FISH ON ARRIVAL FISH WATER / JUICE WAS COMMING OUT OF FUSELAGE DRAIN HOLES SUGGEST MM 51-00-62-200-801 AND AMM 25-52-00-100-801 FOR CLEAN UP AND SMELL REMOVAL REMOVED FWD CARGO FLOOR PANEL AND FOUND LIQUID RESIDUE PRESENT ON THE INSULATION. CLEANED RESIDUE PER AMM 25-52-00-100-801. VERIFIED INSULATION IS DRY AND NO LIQUID UNDERNEATH INSULATION OR ON THE FUSELAGE. REMOVED 2 FLOOR PANELS AT FWD CARGO DOOR ENTRY PER AMM 25-52-10-000-801. CLEANED FLUID RESIDUE PER AMM 25-52-00-100-801. LEFT DOOR AND PANEL OPEN TO AIR OUT REMAINING ODOR. REINSTALLED FWD CGO FLOOR PANEL AND RESTORED CGO NET.