As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SMOKE REST UPPER DOOR 4 CAUTION, SMOKE IS DETECTED IN THE UPPER CREW REST COMPARTMENT AT DOOR 4. NO SMOKE BUT VAPE SMELL NEAR AFT LAVS CHECKED OFAR AND AFT LAVS AREA. NO EVIDENCE OF SMOKE OR VAPE AND NO ALARMS DISPLAYED. OK TO CONTINUE.