What was found
MAIN CABIN CENTER WING BOX UPPER SKIN, RT BS 948, BL 58 IS HEAVILY EXFOLIATED. REMOVED CORROSION. FOUND TO BE OUT OF LIMITS. REPAIRED IAW PRI 525993-14AD, REV 4.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
MAIN CABIN CENTER WING BOX UPPER SKIN, RT BS 948, BL 58 IS HEAVILY EXFOLIATED. REMOVED CORROSION. FOUND TO BE OUT OF LIMITS. REPAIRED IAW PRI 525993-14AD, REV 4.