As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TYS. CREW REPORTED THAT AFTER TAKEOFF THEY RECEIVED LAVATORY SMOKE ALARM & WARNINGS WHEN BLEEDS WERE TURNED ON. A/C RETURNED TO FIELD WITHOUT FURTHER INCIDENT. MX REMOVED/REPLACED THE RT ENGINE CARBON SEAL, ALL-OPERATIONAL AND LEAKS CHECKS WERE SATISFACTORY. IAW ROLLS-ROYCE AE3008A MAINTENANCE MANUAL 72-00-00 AND EMB 145 M.M. 71-03-01. A/C RELEASED FOR SERVICE.