What was found
INSPECTION TYPE:C, LT MLG W/W CANTED PRESSURE DECK AT BS 977 LATERAL "Z" STIFFENER FOUND CRACKED AT FASTENER HOLE AREA BETWEEN LBL 20 AND LBL 55. CRACK LENGTH ARE 1.625" AT LBL 32.94 AND 1.6" AT LBL 54.69. STIFFENER REPAIRED IAW HX RS NR R53-58-36842 REV A & EO B747-5330- 40061A JUST AT LBL 32.94 & LBL 54.69, FINAL CUTOUT SIZE 1.95" X 0.9" AT LBL32.94 & 1.9"X0.9" AT LBL54.69, THIS IS CLASSIFIED A MAJOR REPAIR, REPAIR SIZE ARE 9.375"X2.375" AT LBL 32.94 & 13" X 2.375" AT LBL 54.69