What was found
CABIN DOOR CAS MESSAGE DISPLAYED AFTER ENGINE START. OPENED DOOR TO ATTEMPT TO RECLOSE AND IT WOULD NOT DO SO. RAN CHECKLIST PROCEDURES TO ATTEMPT DOOR RESET. THAT ALSO DID NOT WORK. REMOVED CABIN THRESHOLD HARNESS ASSY FAILED PN: 8469153-1 SN: NSN AND INSTALLED A NEW CABIN THRESHOLD HARNESS ASSY PN: 8169153-1 SN: NSN SUPPLIED BY NETJETS ALL WORK DONE PER CE680A AMM 52-10-00 PERFORMED OPERATIONAL CHECK SUCCESSFULLY PER CE680A AMM 52-10-00