What was found
IN CRUISE, LAVATORY SMOKE ALERT ILLUMINATED FOR LAV H. CLOSE VISUAL INSP IN LAV COMPARTMENT SHOWED NO SMOKE, NO HEAT OR EXTINGUISHING AGENT DISCHARGE. PULLED AND RESET LAV H SMOKE DETECTOR CB AND SYS SMOKE DET CB AT 1L. ALERT RETURNED WHEN CBS RESET. VERIFIED NO TRASH COMPARTMENT EXTINGUISHER DISCHARGE AND HEAT DETECTION DECAL NO INDICATION OF HEAT PRESENT. REPLACED LAV H SMOKE DETECTOR PER M/M. OPS CHECKS OK AND ALL INDICATIONS NORMAL.