What was found
MID CABIN SMOKE ALARM WENT OFF ON T/O. F/A NOTIFIED CREW SHORTLY AFTER T/O. THOROUGHLY INSPECTED AIRCRAFT, RAN ENGINES AND SYSTEMS, UNABLE TO DUPLICATE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
MID CABIN SMOKE ALARM WENT OFF ON T/O. F/A NOTIFIED CREW SHORTLY AFTER T/O. THOROUGHLY INSPECTED AIRCRAFT, RAN ENGINES AND SYSTEMS, UNABLE TO DUPLICATE.