As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE:4C, CENTER WING UPPER SKIN HAS CORROSION AROUND FASTENERS AT STRINGER 15 BETWEEN XCW= -75.00 AND XCW= -118.20. REPAIRED CENTER WING UPPER SKIN AT STRINGER 15 BETWEEN XCW= -75.00 AND XCW= -118.20 REF STASA EA 011-5730-01-A4501 REV I/R AND EO MD11-5730-50092-A.