What was found
AT C-CHECK, DOME NUT CHANNEL CRACKED ON RT PANEL 506B. REMOVED FASTENERS FROM DAMAGED AREA, CLEANED, TREATED AND PRIMED IAW SRM 51-1-8 PAGE 11 & 12. FABRICATED DOUBLER IAW DC8 MM 57-23 07 PAGE 201 & 202 AND APPLICAPILITY OF S/B 57-65 PAGE 1 TO 5. INSTALLED DOUBLER WITH SOLID RIVETS AND DOME NUT CHANNEL IAW SRM 51-1-21 PAGE 6.