What was found
ATB- AIR RETURN DUE TO AFT LAV SMOKE DETECTOR ALARMING. PLACED ON MEL FOR DISPATCH AND LATER REPLACED THE SMOKE DETECTOR. (LOG PAGE 8900488 - AIRCRAFT WAS GROUNDED).
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ATB- AIR RETURN DUE TO AFT LAV SMOKE DETECTOR ALARMING. PLACED ON MEL FOR DISPATCH AND LATER REPLACED THE SMOKE DETECTOR. (LOG PAGE 8900488 - AIRCRAFT WAS GROUNDED).