What was found
INSPECTION TYPE: C, HORIZONTAL STAB, RT BARREL NUT HOLE NR 20 FOUND CORROSION AT BOTTOM, SIDEWALL AND BEARING SURFACE. CORROSION AT BOTTOM OF BARREL NUT HOLE REMOVED PER SRM 51-21-01 VOL 2 REV 34, MAT'L REMOVED 0.005 INCH FOUND WITHIN LIMIT PER EO MD11-5510-19 409E. SLEEVE BUSHING FABRICATED PER EO MD11-5510-19409E. BARREL NUT HOLE REPAIR CARRIED OUT PER EN1092-04 (REFER UPS ENGINEERING FILE NUMBER MD11-55-20039).