As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED WHILE IN FLIGHT ONE OF THE LAV FIRE ALARMS CONTINUOUSLY GOES OFF IN FLIGHT BRIEFED THE CREW AND THEY ADVISED THEY DID NOT SEE OR SMELL ANY SMOKE WHILE INFLIGHT REFER TO L/P 8225721 FOR THE R/R OF FIRE EXTINGUISHER IN LAV 1A-1L AND OPS CHK OK FIRE DETECTION SYSTEM. REF. FIM 26-13 806.