What was found
DURING HEAVY CHECK, WASTE VACUUM SYS TUBE AFT CABIN SECOND CLAMP FROM TANK IS CORRODED AND BROKEN. MAINTENANCE R & R WASTE VACUUM SYSTEM TUBE AFT CABIN SECOND CLAMP FROM TANK IAW EI R170EI-38-32-0004, AMM 38-32-13, PN 19000-87, SLEEVE.