What was found
C-CHECK, LT WING CENTER I/E I/B AREA AT STA 255.00 LOWER RIB IS CRACKED. DOT 38138. STOP DRILLED END CRACK AT LT WING CENTER SECTION 4E STA 255.000 LOWR RIB IAW DC-8 SRM 57-2-0 PG 9 FIG 2. FABRICATED ANGLE REPAIR 8 X 4 063 7075T6 IAW DC-8 SRM 57-2-0 PG 10 FIG 2. TREATED & PRIMED PER DC-8 SRM 51-1-8 PG 16 & 13 PAR 6 & 6F. INSTALLED REPAIR ANGLE PER SRM 51-1-21 PG 1.