What was found
DURING PERFORMING EO EG-5310-EO332629K P6 STEP 11.M, FOUND 01 EA EXISTING HOLES OVERSIZED (DIAMETER:0.434") ON THE SKIN AT STA 993 - STA1035,STGR 35R - 37R. THE BOEING DRAWING 675W0002 SH 7 VIEW 1B6 CALL OUT THE DIAMETER 0.371". COMPLIED WITH EO: G-5310-E0332629K P6 , TITLE:FUSELAGE-MAINFRAME-INSPECTION AND MODIFICATION OF THE UNDERWING LONGERON AT BODY STATION 1035-BOEING SERVICE BULLETINS 777-53A0081 AND 777-53-0087. REPAIR CLASSIFIED AS MAJOR PER GMM6-2-100.