As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT CREW PERSONNEL REPORTED DURING TAXI FROM GA RAMP TO THE D GATES IN LAS VEGAS THE LAV SMOKE ALARM WENT OFF AND THE FLIGHT ATTENDANT REPORTED SMOKE IN THE CABIN. MAINTENANCE DEPARTMENT PERSONNEL INSPECTED THE AIRCRAFT AND REMOVED AND REPLACED THE APU IAW TACK CARD R0594902, LEAK AND OPS CHECK OK. AIRCRAFT RETURNED TO SERVICE.