What was found
RH WING UPPER SKIN LOWER SURFACE FOUND CORRODED BEHIND REAR SPAR BETWEEN RIB27 AND RIB28 ACCESS FROM 690BB ACCOMPLISHED THE REINFORCING DOUBLER REPAIR AT RH WING UPPER SKIN PANEL NO.3, REAR SPAR, RIB25~29 I.A.W FEDEX EA NO:T6-5730-T0379408 P1, SEQ NO:1260, TITLE:WING-PLATES AND SKINS-RH WING UPPER SKIN PANEL NO.3 - SUB-SURFACE CORROSION FOUND ON TRAILNG EDGE OVERHANG SECTION BETWEEN RIB25 AND RIB29, THE REPAIR CLASSIFIED AS CAT.B MAJOR PER GMM 6-2-100