What was found
REWORK PREVIOUS REPAIR, CENTER FUEL TANK LEFT WING FORWARD SPAR AFT FACE BETWEEN XCW 58 AND 79 (3 BLEND OUTS, FROM IB .070, .020 APPROXIMATELY 1 INCH DIAMETER AROUND FASTENERS) UPPER SPAR. BLENDED AREAS, INSTALLED TENSION MINI-NUTS AND WASHERS.