What was found
( LY1R) ANTI-ICE "DUCT" MESSAGE DISPLAY ON CAS DURING CLIMBOUT. REMOVED V-BAND CLAMP COVER AT RT WING L/E (WS-258) AND FOUND BROKEN V-BAND CLAMP ON WING ANTI-ICE DUCTING. R & R V-BAND CLAMP (PN A44C13), INSPECTED, TESTED AND RETURNED ACFT TO SERVICE. THE CLAMPS SECURING BOLT WAS BROKEN AT THE BASE WHERE THE THREADS START. THE FOLLOWING MANUALS WERE REFERENCED FOR THIS REPAIR, MM 30-11-00-710-801 AND SPM 20-30-00-910-805.