What was found
MAIN CABIN AT STA 617 LT SIDE, UPPER SURFACE OF INTERCOSTAL IS WORN IN SEVERAL SPOTS, AT FLOOR SUPPORT. 60-005. REMOVED 2" ANGLE AND INTERCOSTAL AT STA 617 LT SIDE IAW SRM 51-30-2 PG 1 INSTALLED REPLACEMENT INTERCOSTAL "L" ANGLE AND ATTACHED "Z" ANGLE TO FLOOR STRUCTURE MAIN CABIN IAW SRM 51-30-2 PG1 OUT OF SEQUENCE ORIGINAL MAT THICKNESS IS 0.063. MAT LOSS IS 0-028". FABRICATED NEW L-ANGLE, PN 1276248 IAW DWG NO PL5910760 AND SRM 51-10-4 PG1. ALODINED AND PRIMED NEW ANGLE IAW SRM 51-10-3, PARA 14 & 21, COMPLETED.