What was found
WHILE ACCOMPLISHING SB747-53A2562 R3 AT BS 280, RBL 20, TWO EXISTING FASTENER HOLES DEVIATED FROM THE DRAWING. EXISTING HOLE SIZE = 1/4", STIFFENER, INCOMING OVERSIZED FASTENER HOLE CONDITION COMMON TO STIFFENER WAS REPAIRED IAW EN 3594-26, REV 0. REPAIR CLASSIFIED AS A MAJOR REPAIR, AND CATEGORIZED AS A CATEGORY B PERMANENT REPAIR.