What was found
DURING PREFLIGHT INSPECTION, FOUND TWO EMERGENCY EVACUATION LIGHTS AT OBSERVER'S OXYGEN REGULATOR INOPERATIVE. REPLACED BATTERIES IN PACK, OPERATIONAL CHECK NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING PREFLIGHT INSPECTION, FOUND TWO EMERGENCY EVACUATION LIGHTS AT OBSERVER'S OXYGEN REGULATOR INOPERATIVE. REPLACED BATTERIES IN PACK, OPERATIONAL CHECK NORMAL.