What was found
AIRBORNE/PEMCO N/R 10248.0327 DISCREPANCY: LT WING UPPER SKIN, FRONT SPAR, APPROXIMATELY WING STA 660 HAS CORROSION AROUND VORTEX GEN. CORRECTIVE ACTION: COMPLIED WITH RES 15402 FOR LT WING SKIN, FRONT SPAR WING STA 660 AROUND VORTEX GEN AREA, IAW EO 20495-6 REV IR.