What was found
INSPECTION TYPE: 4C, UPPER SURFACE OF CENTER WING TANK HAS EXFOLIATION CORROSION AT STRINGER RS 16,17, 18 BETWEEN FS 1199-1219 AND RBL 102. REPAIRED CENTER WING UPPER SURFACE BETWEEN STA 1199.0 AND 1219.0 AT STRINGER 16, 17 AND 18, XCW-102 REF EA 011-5730-01-A4051 REV I/R AND EO MD11-5730-47767-A.