As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 3 SLAT OUTBD AUX TRACK INBD UPPER LEADING EDGE RIB IS CORRODED AT FWD END. REMOVED & REPLACED NR 3 SLAT O/B AUX TRACK L/E RIB IAW B767 SRM 51-40-02 AND REA B657-59581. PERFORMED OPS CHECK OF SLAT PROX SWITCH IAW B767 AMM 27-88-01-2, OPS CHECK GOOD, AWG.