As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SMOKE ALARM IN FORWARD LAV WENT OFF. PERFORMED LAVATORY SMOKE TEST AS PER 26-14-00-730-801. NO IS NO SMOKE). DEFECTS NOTED AT THIS TIME. NO SMOKE OR ANY INDICATION OF FIRE IN THE LAV. THERE IS A NOTE IN FIM REF 26-14 TASK 801. (IF CABIN PRESSURE INCREASES, THE SMOKE ALARM CAN COME ON WHEN THERE IS NO SMOKE).