As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE PILOT REPORTED THAT THE AFT LEFT SMOKE ALARM SOUNDED. NO SMOKE PRESENT. MAINTENANCE VISUALLY INSPECTED THE SMOKE DETECTOR, SEALS WERE PRESENT AND POWER LIGHT WAS ON. NO VISUAL DEFECTS WERE NOTED AND THE SELF TEST WAS OK IAW AMM 26-14-00.