As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SMOKE AFT LAV MASTER WARNING WITH STRONG ELECTRICAL SMELL. INSPECT AND FOUND LAV EXHAUST FAN DAMAGED BY FOD. CLEANED DUCT FROM LAV TO EXHAST FAN AS REQUIRED. R & R LAV EXHAUST FAN, IAW CRJ AMM 21-23-93. OPERATIONS CHECK GOOD PN ON AND OFF GG670-95028-3 SN ON 01218 SN OFF 0202.