What was found
DURING ROUTINE C-CHECK INSP FOUND NR 2 MAIN TANK TOP ACCESS DOOR NR 505F DOUBLER CRACKED AT STA XRS 22.270 STR 6. REMOVED FASTENERS AS NEEDED TO PERFORM REPAIR. REMOVED DAMAGED AREA. PERFORMED NDT INSP. NO CRACK, NO CORROSION FOUND. FABRICATED EXTERNAL, INTERNAL REPAIR DOUBLERS AND FILLER. HEAT TREATED. CLEANED, TREATED, PRIMED AREA AND REPAIR PARTS. APPLIED (PRC) SEALANT TO FAYING SURFACE. INSTALLED NEW FASTENERS AND REPAIR PARTS IAW SRM 51-1-21 FIGURE 36, NDT SPM PART 08, SRM 57-2-1 FIGURE36, DPS 4.710 REV "L", SRM 51-1-1 PAGES 1, 13, 17, SRM 51-1-12 PAGES 7-10, SRM 51-1-8B, SRM 51-1-12 TR NR 51-133, SRM 51-1-20D, SRM 51-1-20B, SRM 51-1-21, SRM 51-1-15, AND SRM 51-3-1 PAGE 2A.