What was found
DURING PERFORMING EO EG-5310-EO332629K P6 STEP 11.P,FOUND 01EA ZLJ-8 (BACB30NY8K*) COUNTERSUNK FASTENER AT STA 998 STGR 35R NEAR THE EDGE OF MACHINED STEP OF DOUBLER (P/N:143W2314Y406),AND RESULT IN KNIFE EDGE WITH MACHINED STEP ON AFT EDGE OF COUNTERSUNK HOLE. REPAIR CARRIED OUT TO 01EA ZLJ-8 (BACB30NY8K*) COUNTERSUNK FASTENER AT STA 998 STGR 35R NEAR THE EDGE OF MACHINED STEP OF DOUBLER (P/N:143W2314Y406), AS PER EA: G-5310-T0361432 PART2 STEP 1, TITLE: FUSELAGE-MAINFRAME-LH AND RH UNDERWING LONGERON MODIFICATION PER EO G-5310-E0332629-DEVIATION TO SB 777-53-0087 REV.1. REPAIR CLASSIFIED AS MAJOR PER GMM 6-2-100. (REFER TO SNRM: N00114 AND WRI 53101186 FOR WORK DETAILS)