As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX FLIGHT NR 2430 - AIRCRAFT SMELLS OF ROTTEN FISH. MAINTENANCE CLEANED CARGO PIT, MOPPED FLOOR AND SIDE PANELS AND SPRAYED SCENT ELIMINATOR IN FLIGHT CARGO PIT. SMELL NO LONGER PRESENT. NO PARTS REPLACED. AIRCARFT RETURNED TO SERVICE.