As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LH SLAT TRACK #4 UPPER AFT SURFACE HAS EVIDENCE OF CORROSION AND PREVIOUS REWORK, AA 5742-10128-02A LIAISON ENGINEERING SUPPORT WILL BE REQUIRED BEFORE FURTHER FLIGHT. REPAIRED L/H SLAT TRACK #4 UPPER AFT SURFACE IAW ERA 607449-14AD REV A AND PRI 607449-14AD REV 0 MATCH. (LP# 0157865)