What was found
REAR SPAR TO TE PANEL ATTACH BEAM SPLIT ON INBD SIDE LOWER CHORD AT STATION 257, 20 INCHES FROM REAR SPAR. REPLACED REAR SPAR TO TE PANEL ATTACH BEAM IAW SRM 51-40-02. SDR INFO CORRODED, PN 113T1622-9, SN N/A, PART NAME CHORD, BEAM LOWER, STRINGER & WING STATION, LOCATION WS 257. ACFT WAS GROUNDED.