What was found
LAVATORY SMOKE DETECTOR WENT OFF SEVERAL TIMES WITH APU BLEED ON, NOTICEABLE SMOKE. REPLACED CABIN TEMPERATURE CONTROLLER. AFTER RUNNING APU WITH BLEED ON, SHOWED NO EVIDENCE OF SMOKE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LAVATORY SMOKE DETECTOR WENT OFF SEVERAL TIMES WITH APU BLEED ON, NOTICEABLE SMOKE. REPLACED CABIN TEMPERATURE CONTROLLER. AFTER RUNNING APU WITH BLEED ON, SHOWED NO EVIDENCE OF SMOKE.