What was found
LEVEL AT FL380, FLAP DISPLAY ILLUMINATED AND INDICATED BETWEEN 2 AND 3 DEGREES. THE F/A CONFIRMED THAT THE FLAPS APPEARED TO BE EXTENDED SLIGHTLY. A FEW MINUTES LATER FELT THE FLAPS MOVE AND THEY INDICATED 5 DEGREES. THE AUTO THROTTLES FAILED AND NEVER RE-ENGAGED. HYD 1B, 2B, 3B AMBER CAS MESSAGES DISPLAYED FOR APPROXIMATELY THREE MINUTES. FLAP AND HYDRAULIC FUNCTION WAS NORMAL THROUGHOUT THE REST OF THE EMERGENCY DIVERTION AND LANDING. REMOVED AND REPLACED THE FLAP CONTROL PANEL AND FLAP POSITION TRANSMITTER. OPS CHECKED SATISFACTORY.