What was found
REAR SPAR TO TE UPPER PANEL, ATTACH CHORD AT WS 360, CORRODED AROUND NUTPLATES AT AFT END. R & R REAR SPAR TO TE UPPER PANEL ATTACH CHORD AT WS 360 IAW DWG 113T1626 & REA B657-61627. CORRODED L2, PN 113T1626-44, SN NONE, PART NAME CHORD, UPPER SUPPORT, STRINGER & WS LOCATION ON ACFT WS 349.7 TO WS 360. ACFT WAS GNDED.