What was found
THE FORWARD AND AFT LEFT LAVATORY SMOKE DETECTOR EMITTED A CHIRPING SOUND WHILE EN ROUTE. REMOVED AND REPLACED BATTERIES IN THREE LAV SMOKE DETECTORS AND OPS CHECK DETECTORS PER MM 26-00-00.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
THE FORWARD AND AFT LEFT LAVATORY SMOKE DETECTOR EMITTED A CHIRPING SOUND WHILE EN ROUTE. REMOVED AND REPLACED BATTERIES IN THREE LAV SMOKE DETECTORS AND OPS CHECK DETECTORS PER MM 26-00-00.