As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
Upon configuration for landing, slats operated normally. Flaps locked at 1. Landed at flap 1 configured slats 3 per FCOMMaintenance removed and replaced interconnecting struct Prox Sensor 39CV IAW MM 27-51-44-400-002 and Ops Tested IAW MM 27-51-00-710-002, Ops check normal.