What was found
SJO - WEB CRACKED AT BS 663.75, RBL 0, WL 206. DEFECT SIZE LENGTH 1.5 INCH. REPAIRED CENTER WING BOX, FLOORBEAM UPPER CHORD BETWEEN BS 650 AND BS 675, BL 0 PER BOEING SERVICE BULLETIN 737-57-1210 DATED APRIL 4, 1991, SECTION III FIG 4. (M)