What was found
FLAPS FAIL AMBER CAS: FLAPS FAIL SELECTING FLAPS 2. RAN CHECKLIST AND FAILED AGAIN AFTER USING FLAP RESET. CORRECTIVE ACTION: PERFORMED FLAP SYSTEM TROUBLESHOOTING, FOUND BITE 2 FAULT CODE ON FLAP CONTROLLER. DETERMINED THAT FLAP PDU REQUIRES REPLACEMENT. ALL WORK PERFORMED IAW CESSNA 680A MM CHAPTER 27-50-00. REMOVED FLAP MOTOR DRIVE UNIT P/N:9914615-3 S/N: 885B. INSLALLED OVERHAULED FLAP MOTOR DRIVE UNIT P/N: MP50G-4, S/N: 147B. OVERHAUL PERFORMED BY AMETEK, CRS NO. OO2R064L ON W/O NO. EXC1592287, DATE 27/SEP/2024. ALL WORK PERFORMED IAW CESSNA 680A MM CHAPTER 27-50-20. OPERATIONAL CHECK SATISFACTORY.