As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
REAR SPAR TO TE LOWER PANEL ATTACH CHORD ON WING AT INBD END OF INBD AILERON CORRODED. REMOVED PANEL 652JB, REMOVED REAR TE LOWER CHORD AT WS 431.97. INSTALLED NEW TE LOWER CHORD AT WS 431.97 IAW SRM 51-40-02 PARA 7 D & PAR 4 6. REINSTALLED PANEL 652JB IAW SRM 51-40-02. SDR INFO CORRODED, PN 113T1510-68, PART NAME CHORD, SN NSN, FS & BS LOC WS 431. ACFT WAS GNDED.