What was found
REAR SPAR TO TE PANEL, ATTACH BEAM UPPER CHORD EXFOLIATED AROUND OTBD NUTPLATES AT STATION 288, INBD OF GEAR TRUNNION. REMOVED PANELS FOR ACCESS, REMOVED CORRODED UPPER CHORD. INSTALLED NEW UPPER CHORD, PN 113T1623-125, RE-INSTALLED, REMOVED PANELS, PANELS TO BE PAINTED ON NR 0494 IAW SRM 51-40-02. CORRODED L2, PN 113T1623-125, SN N/A, PART NAME CHORD, STRINGER & WS LOCATION ON ACFT, WS 281.65. ACFT WAS GNDED.