What was found
(CAN) AFTER TAKEOFF, CREW REPORTED SMOKE IN THE COCKPIT. DECLARED EMERGENCY AND RETURNED SAFELY TO FIELD. NO FURTHER INCIDENTS REPORTED. ALSO, SMOKE AFT LAV MASTER WARNING ILLUMINATED. INSPECTED AIRCRAFT AND FOUND ELECTRICAL SMOKE SMELL ORIGINATING FROM GALLEY/FWD LAV EXHAUST FAN. RAI GALLEY HEATER/LAV EHAUST FAN IAW CRJ- 700 AMM 21-23-93. OPS GOOD. GROUND RUN AIRCRAFT, NO DEFECTS NOTED.