As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN AIR SMELLS REALLY BAD. LIKE MOLD OR SIMLR. LASTED UNTIL AB OUT 9K FEET. TOMC UPDATE, CREW REPORTED NO MORE SMELLS REST OF FLIGHT OR ON DESCENT/LANDING. #2 ENG WASH ACCOMPLISHED IN MSY LAST NIGHT. REF FIM 21-00 TASK 806, INSPECTED PACK BAY INLET DOORS AND ENGINES FOR ANY SIGNS OF ANIMAL OR OTHER. SMELLS NO LONGER PRESENT. GOOD FOR SERVICE.