Complied with CMP 275315 CU) through (5). Completed Installed a Modified RH flight spoiler actuator P/N 1159SCH2.50-30, S/N 1731. Work performed IAW GlIB MM 27.02-00. Ref contingency sheet. Discrepancy: 12.152 CMP GlIB 275322 Inboard Flight Spoiler Bellcrank Assembly (Right) - Removal / Installation Res