What was found
AIRCRAFT WAS NOT GROUNDED: FORWARD SMOKE LAVATORY AT CRUISE FLIGHT LEVEL 340 FALSE INDICATION NO ONE IN LAVATORY. PERFORMED TEST PER TSM 26-11-00 ALL CHECKS NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS NOT GROUNDED: FORWARD SMOKE LAVATORY AT CRUISE FLIGHT LEVEL 340 FALSE INDICATION NO ONE IN LAVATORY. PERFORMED TEST PER TSM 26-11-00 ALL CHECKS NORMAL.