What was found
AFT LOWER CARGO BULK CARGO FLOOR AREA,BETWEEN BS 1417 & 1439, STRINGER 39L IS CORRODED. REMOVED 8.1 INCH SECTION OF STRINGER. LOCATED, DRILLED, AND INSTALLED REPAIR SHIM, CHANNEL, ANGLES, AND STRINGER FILLER ALONG WITH FAYE SEALING IAW SRM 53-00-03, FOG 201 DETAIL IV AND SRM 51-20-05. ACFT WAS GROUNDED.