What was found
RIGHT WING TRAILING UPPER WING SKIN IS CORRODED 40 INCHES OTBD OF FUSE AT FWD EDGE OF PANEL 651 FT. BLENDED CORROSION AS DESCRIBED IAW SRM 51-20-01, AREA BLENDED IS WITHIN LIMITS IAW ENGINEERING DISPOSITION ON ENTRY NR 8. UPSIZED TWO FASTENER HOLES COMMON TO BLENDED AREA. SEE REA B657-60853-MR FOR HOLE PREPARATION & FASTENER INSTALLATION. SDR INFO PN 112T3101-6, PART NAME UPPER WING SKIN, CORRODED, WS LOCATION ON ACFT FROM 156 T0 193 WING UPPER SKIN ABOVE SPAR. ACFT WAS GROUNDED.