What was found
AFT CARGO COMP, FR 54.2, FROM Y700 TO Y1959, CEILING SUPPORT STRUCTURE WITH CORROSION ON EACH SCREW RECEPTACLE. REMOVED CORROSION IAW SRM 53-16-18-001. DEEPEST MATERIAL LOSS IS .006 (ON ALL 3 PROFILES) AND FOUND CRACK AT HOLE ON CENTER PROFILE. REMOVE AND REPLACE 3EA (FIGURE 6 ITEM 1) P/N A25576608200. INSTALLED NEW PROFILE (CEILING SUPPORT/ 1EA) AT AFT CARGO COMP, FR 54.2, FROM Y700 TO Y1959 IAW SRM 51-40-21.