As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
L/H SLAT TRACK NBR 4 LOWER AFT SURFACE HAS EVIDENCE OF CORROSION AND PREVIOUS REWORK REF AA 5742-01028-02A. LIAISON ENGINEERING SUPPORT WILL BE REQUIRED BEFORE FURTHER FLIGHT. C/W PRI ER/A 607387-14AD STEP 9 [QC 5333] CORROSION BLEND MEETS CRITERIA NO FURTHER REWORK REQUIRED. REPAIRED LH SLAT TRACK NBR 4 LOWER AFT SURFACE PER ERA 607387-14AD REV A AND PRI REV 0,1,2,3. (LP# 0151183)