As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MASTER WARN IN-FLIGHT LAV SMOKE 1-2 SEC. F/A VERIFIED ALL LAVS CLEAN NO SMOKE/FIRE PAX WAS EXITING AFT LAV AT THE TIME OF EVENT. VERIFIED THRU MCDU THAT AFT LAV "G" SMOKE DET WENT OFF. AS PER TSM 26-17 A/C CHKS NORM, NO FAULTS AT THIS TIME. A/C OK FOR SVC. (LP# 7587914)