As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SMOKE ALARM - DETECTOR DID NOT ACTIVATE WITH FIRE AND SMOKE IN GARBAGE BIN AT 5L LAVATORY. SUPPLEMENTAL DATA UPDATE SMOKE DETECTOR MAY OR MAY NOT ACTIVATE DEPENDENT ON THE SEVERITY OF THE SMOKE. FIRE EXTINGUISHER DID NOT ACTIVATE WHICH INDICATES HEAT FACTOR WAS NOT HIGH ENOUGH TO DISCHARGE HALON AGENT (174 DEGREES F.) AN EG CALLOUT ISSUED TO RECHECK ALL AFFECTED SYSTEMS.