What was found
WHILE ACCOMPLISHING SB747-53A2562 R3, FOUND EXISTING PANEL HOLE TOO CLOSE TO NEW BEAM (05EA) AT STA 340. FASTENER INTERFERENCE CONDITIONS WITH HORIZONTAL STIFFENERS ON LHS NOSE WHEEL WELL AT STA 340, WL 130 - WL 170 RECTIFIED WITH THE HORIZONTAL STIFFENER FLANGES LOCALLY TRIMMED TO ALLOW FASTENER INSTALLATION AS PER EN #3479-26 REV. 0. REPAIR CLASSIFIED AS "MAJOR REPAIR" AND CATEGORIZED AS "CATEGORY B" PERMANENT REPAIR WITH INSPECTION THRESHOLD OF 35,000 TOTAL FLIGHT CYCLES. INSPECTION INTERVAL NOT REQUIRED (THRESHOLD IS AT LOV) AND INSPECTION METHOD NOT REQUIRED (THRESHOLD IS AT LOV) AS PER EN 3479-26 REV.0. NO FURTHER DEFECTS NOTED.