As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE CREW REPORTED THAT DURING ACFT POWER UP THAT A FLAP FAIL CAS MASSAGES WAS INDICATED. TROUBLESHOOTING IDENTIFIED THAT THE FLAP POWER DRIVE UNIT (PDU) WAS DEFECTIVE. REMOVED THE DEFECTIVE PDU, SN 0086. INSTALLED A REPAIRED UNIT. F/T SATISFACTORY.