What was found
THIS EO WAS ISSUED TO PROVIDE INSTRUCTIONS TO ACCOMPLISH A PERMANENT REPAIR OF THE CORROSION IN SPHERICAL BEARING BORE OF THE RT HORIZONTAL STABILIZER HINGE FITTING ASSEMBLY FOUND DURING HEAVY CHECK. R & R OF THE RT HORIZONTAL STABILIZER SPHERICAL HINGE BEARING TO CORRECT THE EXCESS BACKLASH, CORROSION PITTING WAS FOUND IN THE BORE OF THE RT HORIZONTAL STABILIZER HINGE FITTING ASSEMBLIES PN 170-62480-406. REPAIR PROCEDURES WERE GIVEN TO REMOVE THE CORROSION PITTING BY REAMING THE BORES OVERSIZE & INSTALLING REPAIR BUSHINGS. THIS REPAIR WAS ACCOMPLISHED ON EO E170-55MR-001 UNDER WO 1432862.