As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HALF WAY DURING FLIGHT AT 40,000 THE RIGHT WINDSHEILD HEAT INOP CAS MESSAGE CAME ON. PROCEDURE ON CHECKLIST WAS COMPLETED. THIS IS A REPEAT WRITE UP. REMOVED FAILED AC GEN PN: 9914443-1 SN: 537. INSTALLED NEW CUSTOMER SUPPLIED AC GEN PN: 991443-1 SN: 1203 AS REQUIRED. OPERATIONAL CHECKS GOOD. WORK DONE IAW AMM 24-20-05