As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON CLIMBOUT CABIN CREW REPORTED SMOKE DETECTORS SOUNDING. PERFORMED TASK 21-00-21-102-030 NOTHING ABNORMAL FOUND. INSPECT APU BLEED VALVE APU BLEED DUCT RT LT FLOW CONTROL VALVES INSPECTED CABIN INTERIOR NO ODOR. RAN BOTH ENGINES AT HIGH POWER SETTING 1.3 EPR DURING AN HOUR WITH BLEED ON OR OFF AND CABIN SELECTOR FROM COLD TO WARM UNABLE TO DUPLICATE ANYTHING ABNORMAL. MTC FERRY TO ATL.