As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LH SLAT TRACK NBR 4 UPPER AFT SURFACE HAS EVIDENCE OF CORROSION AND PREVIOUS REWORK, REF 5742-01028-02A. LIAISON ENGINEERING REQUIRED BEFORE FURTHER FLIGHT. REPAIRED LH SLAT TRACK NBR 4 UPPER AFT SURFACE PER ER/A 606807- 14AD REV C AND PRI REV 0 MATCHED. (LP# 0408332)