What was found
FS 280, WEB CORRODED AT FLOOR SUPPORT FWD ANGLE BETWEEN LBL9 AND RBL9. COMPLIED WITH ECTC 601R-53-11-926 01 FABRCATED REPAIR PARTS. REMOVED LT AND RT, 4 ATTACH CLIPS AT FS280 -3 WEB FILLER, -5 REPAIR ANGLE, AND -13-5 SHIM, AILERON PULLEY BRACKETS REMOVED WORK DONE IAW REO 601R-53-11926, REV 8. INSTALLED -3 WEB FILLER , 5 REPAIR ANGLE AND -13 SHIM IAW ECTC REO 601R-53-11-26 01. COMPLIED WITH ECTC 601R-53-11-926-01.