As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 176 R WING SLIDE ADV MESSAGE ON DESCENT AND ARRIVAL. DURATION 1-2 MIN THEN EXTINCUISUES. CORRECTIVE ACTION: FOUND UNLOCK LEVER ON INTEGRATOR TO BE LOOSE & CAUSING TARGET TO MOVE AWAY FROM SENSOR S199.R/R INTEGRATOR PER B767-3 AMM 25-65 (9408278)