As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED A STRONG OFFENSIVE ODOR, THE MORE FORWARD IN THE AIRCRAFT THE STRONGER THE ODOR. MAINTENANCE FOUND THE TOILET HAD BEEN OVERSERVICED SPILLING A LARGE AMOUNT OF BLUE WATER IN THE BELLY OF THE AIRCRAFT. THE TOILET FLUID WAS CLEANED AND NEUTRALIZED. PERFORMED OPERATIONAL AND LEAKS CHECKS.