What was found
CHAFE DAMAGE OCCURRED TO BOTH ENGINE TAILPIPE V-CLAMPS, P/N 234-559-9019 (IPC REF 78-10-01, FIG 1, ITEM 15) AND INNER CORE COWL CHAFE BRACKET, P/N HS7838200-41 (IPC REF 78-30-05-05A, ITEM 245). EACH ENGINE CONTAINS 8 BRACKETS AND 1 V-CLAMP. DAMAGE HAS OCCURRED AT SOME OR ALL BRACKET MOUNT LOCATIONS WITH APPROXIMATE .020 INCH TO .090 INCH DEPTH WITH TOTAL EDGE SPAN OF 0.375 INCH ON THE BRACKETS AND APPROXIMATE .010 INCH TO .025 INCH DEPTH AT CONTACT LOCATIONS ON V-CLAMP. THIS DAMAGE DISCOVERED DURING DISASSEMBLY AND REMOVAL OF ENGINE FOR 2100 HOUR HOT SECTION INSPECTION. ACFT TT: 2,003.3 HRS. LANDINGS: 1,146. LT ENG, SN 107124 TTSN 1,803.5 HRS, CSN 1,045. RT ENG SN 107125 TTSN 2,003.3 HRS, CSN 1,161.