What was found
EMERGENCY LIGHTS FLASHING ON AND OFF IN FLIGHT. PERFORMED OPS CHECK GOOD IAW EMB 170 MM 33-50-00-5. COULD NOT DUPLICATE, OPS CHECK GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
EMERGENCY LIGHTS FLASHING ON AND OFF IN FLIGHT. PERFORMED OPS CHECK GOOD IAW EMB 170 MM 33-50-00-5. COULD NOT DUPLICATE, OPS CHECK GOOD.