What was found
INSPECTION TYPE: C, HORIZONTAL STABILIZER NR 21 BARREL NUT HOLE FOUND CORROSION ON BOTTOM, BEARING AND SIDEWALL SURFACE. CORROSION AT BARREL NUT HOLE S/W & BEARING SURFACE REAMED TO 1.067 INCH & BLENDED OUT TO 0.0200 INCH, FOUND OUT OF LIMIT. REPAIR SLEEVE FAB & INSTALLED PER MD11-5510-19409-G.PR1422 B2 SEALANT APPLIED AT BLEND OUT VOIDS PER EN177-04. REPAIR SLEEVE INSTALLED AT NR 21 RT BARREL NUT HOLE PER EOMD1 1-5510-19409-G. REPAIR C/O AT BARREL NUT HOLE NR 21 RT PER EN1177-04.