What was found
492 C CHECK. CORROSION DISCOVERED ON THE STA 1098.868 FRAME TEE (PN 9971144-61) AT L-28L. THE CORROSION WAS MECHANICALLY REMOVED WITH MORE THAN 50% MATERIAL LOST IN THE VERTICAL FLANGE AND PITTING CORROSION 100% THROUGH THE AFT HORIZONTAL FLANGE. INSTALLED VERTICAL FASTENERS ONLY IN REPAIR, PER E105-492088-PERM FIGURE 2. 09/11/20 MECH 11006; INSP 4760. INSTALL REPAIR PARTS E105-492088-PERM. SEAL AREA PENDING AND PRIME AND PAINT FASTENER PENDING. EDGE SEALED AROUND REPAIRED AREA. 0 PRIME AND PAINT FASTENERS PENDING. PRIMED AND PAINT, PER SRM 51-22-01.