What was found
DURING REPLACEMENT OF RT WING UPPER BEAM ON NR 0983 FOUND ANGLE STIFFENER CORRODED. FABRICATED PART IAW DWG 113T1623 & SAMPLE PO 0052750 PN BAC 1503-100442-7075-T6511 ANGLE BARE ALUM EXTRUDED. CORRODED, PN 113T1623-18, SN NA, PART NAME STIFFENER, STR & WS LOC ON ACFT WS 281. ACFT WAS GNDED.