As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SMOKE ALARM IN LV2 WENT OFF BUT DID NOT ILLUMINATE RED. NO SMOKE, HEAT, ETC. ALARM DISABLED, MAYBE FAULTY. REPLACED LV2 SMOKE DETECTOR IAW MM 26-14-01. OPS CHECKS NORMAL. INSPECTED LAV COMPARTMENT AND FOUND NO EVIDENCE OF SMOKE OR FIRE.