As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BUSHING FOR DRAIN HOLE AT CENTER WING UPPER SKIN AT REAR SPA APPROX BETWEEN XCW 101 AND XCW 118 REQUIRES TO BE FABRICATED WITH DIM. AS FOLLOW: DIA = 0.750, HEIGHT = 0.675 FABRICATED BUSHING PER EA 1-5710-T0370445 P3 WINGS - PLATES AND SKIN - CENTER WING - AFT UPPER SKIN - CORROSION AT REAR SPAR BETWEEN XCW 101 AND XCW 118 - REPAIR, PAGE 6 PARA A.. "MAJOR REPAIR".