What was found
DURING PERFORMING EO EG-5310-EO332629K P5 STEP 11.P,FOUND 01EA ZLJ-8(BACB30NY8K*) COUNTERSUNK FASTENER AT STA 998 STGR35L NEAR THE EDGE OF MACHINED STEP OF DOUBLER P/N 143W2314Y405,AND WILL RESULT IN KNIFE EDGE WITH MACHINED STEP ON AFT EDGE OF COUNTERSUNK HOLE. REPAIR CARRIED OUT TO 01EA ZLJ-8(BACB30NY8K*) COUNTERSUNK FASTENER AT STA998 STGR35L NEAR THE EDGE OF MACHINED STEP OF DOUBLER P/N: 143W2314Y405, AS PER EA: G- 5310-T0361432 PART1, STEP1, TITLE: FUSELAGE-MAINFRAME-LH AND RH UNDERWING LONGERON MODIFICATION PER EO G-5310-EO332629-DEVIATION TO SB 777-53-0087 REV.1. REPAIR CLASSIFIED AS MAJOR PER GMM6-2-100.