What was found
CENTER WING BOX FUEL TANK UPPER SKIN BS 708, RBL 50: 2 FASTENERS HOLES ELONGATED. REPAIRED CENTER WING BOX FUEL TANK UPPER SKIN AT BS 708, RBL 50, 2 FASTENER HOLES IAW PRI 540750-14, REV 0, PRI 540753-14, REV 0- REV 2 AND ER/A 540753-14, REV ORIGINAL ASSOCIATED ER/A 14-540753 ADDED FOR AC 9553.