What was found
BEGINNING INITIAL DESCENT INTO BOS, CREW RECEIVED AMBER RUDDER FAIL CAS. CREW CALLED MX TO CONFIRM ACFT IS ASC 135. MX CONFIRMED ACFT IS ASC 135. CREW RAN CHECKLIST, PERFORMED TWO UNSUCCESSFUL RESETS, LANDED WITHOUT INCIDENT. COMPLIED WITH AMM 27-20-00 SECTION 7 FOR RUDDER LVDT DISCONNECT/OSCILLATORY MONITOR/FORCE FLIGHT EVENT CHECK, STEPS A THROUGH B7. NO DEFECTS NOTED. REPLACED RUDDER EBHA CONNECTOR “068A8J7” IAW WDM 20-26-01. REPLACED RUDDER EBHA ACTUATOR IAW AMM 27-23-03. COMPLIED WITH RUDDER FREE PLAY BACKLASH FUNCTIONAL CHECK IAW G650 AMM 27-20-00. COMPLIED WITH RUDDER IBIT SUITE "A" CHECK RUDDER FUNCTIONAL CHECK + CLOSE OUT IAW G650 AMM 27-20-00 SECTION 7. ALL OPS CHECKS + FUNCTIONAL CHECK GOOD.