As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STL-PIT - FLT 9281 - SLIGHT FUMES WERE NOTICED COMING FROM BOTH LAVATORIES, AND SMOKE DETECTORS ACTIVATED FOR A BRIEF TIME DURING CRUISE FLIGHT. FLIGHT LANDED IN PIT WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED LEFT AND RIGHT LAVATORY FAUCET TIMERS. LEAK CHECKED AND OPERATIONALLY CHECKED OK. (M)