What was found
YXD - DURING C-CHECK, FOUND THE FUSELAGE WITH A BULGE (LENGTH 6 INCHES, WIDTH .750 INCH, DEEP .020 INCH) AT BS 1007 BL3R. REPLACED SHEAR TIE AND BLENDED CORROSION AT BS 1007 BL3R PER SRM 51-10-1, 51-10-6 AND 51-30-2 WORK ACCOMPLISHED ON NON=ROUTINE NR0021. (M)