As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ASH FLIGHT 7063 RTF DUE TO A LAVATORY SMOKE WARNING MESSAGE. NO VISUAL SMOKE REPORTED. COMPRESSOR WASH HAD BEEN PERFORMED ON RON. MX PERFORMED POWER RUNS TO CLEAR BLEED SYSTEM AND SMELL OF SMOKE DISSIPATED WITH NO WARNING MESSAGES PRESENT.