What was found
LEFT WING TE APPROX WS 285 UPPER BONDED PANEL ATTACH ANGLE HAS CORROSION ALONG UPPER FLANGE. R & R UPPER CHORD ON LT WING TE AT APPROX WS 285 IAW SRM 51-40-02. PN 113T1623, PART NAME PANEL, SUPPORT BEAM, SN NSN, CORRODED, EXACT STRINGER & WS LOC ON ACFT WS 285. ACFT WAS GNDED.