As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SMOKE ALARM GOES OFF WHEN THE RIGHT PACK IS RUNNING IN AUTO OR NORM. MESSAGE CLEARED WHEN RIGHT PACK IS TURNED OFF. RIGHT COOLING GROUND FAN OPERATES AS NORMAL ON GROUND. PERFORMED AN OPS CHECK OF THE RIGHT PACK IAW AMM. OPERATED THE RT PACK ON GROUND FOR 30 MINUTES AND THE SMOKE ALARM WOULD NOT TRIP. OPS CHECKED GOOD.