As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCN - B-03 - MAJOR REPAIR - NR 6177314 - NR 4 SLAT UPPER SURFACE APPEARS BUBBLED WITH POSSIBLE DELAMINATION AT INBOARD END TRAILING EDGE STATION OSS308 TO OSS312.375. REPAIRED DISBOND ON TOP OF NR 4 SLAT TRAILING EDGE WEDGE IAW B757 SRM 51-70-10 & 57-43-02.