What was found
INSPECTION TYPE:9C, FUSELAGE RT STA 287, BL 25 NLG WW AFT BULKHEAD VERTICAL CHORD CRACK FOUND AT WL 173 APPROX .5" IN LENGTH. REPAIRED IAW SRM 51-70-12-0G, FIG 1, REV 52 JUST BTW WL 164 & WL 182, ORIG MATL: AND10140-4005-7075T6511, CRACK LENGTH: 0.75", FINAL CUTOUT SIZE: 1.1"X2.1",CLASSIFIED AS A MAJOR REPAIR, REPAIR SIZE: 17.75"X3", SUPPLEMENTAL DAMAGE TOLERANCE INSP ARE REQUIRED FOR THE REPAIRED CHORD IAW EO B767-5310-20118-F, APPX 'C'.