What was found
DURING C-CHECK INSPECTION IN CVG, VERTICAL STAB FRAME ASSEMBLY ITEM NR 1 (HC553314HO138-000) AT RIB 20 WAS DAMAGED DUE TO ITS AFT BUSHING WORN AND CAUSING THE FRAME ASSEMBLY TO DROP AND CHAFE ON RUDDER HINGE ASSEMBLY AT RIB 20. REPLACEMENT OF ITEM 1 & 2 (HC5540017-000) WAS PERFORMED TO REPAIR DAMAGED PARTS. NEW BUSHING WAS PRE-INSTALLED ON NEW FRAME ASSEMBLY. TO GAIN ACCESS TO RUDDER HINGE A CUTOUT WAS PERFORMED TO RUDDER SKIN. SEE EO A55025 FOR WORK PERFORMED. REF 409 NR 127753 AND 127755 FOR DETAIL.