What was found
LABS EXTENDED NORMALLY DURING THE PREFLIGHT PORTION OF THE FLIGHT PER THE CHECKLIST. AFTER DEPARTURE WHEN THE PILOT FLYING CALLED FOR FLAT, ZERO THE FLAPS FAILED TO MOVE AND WE GOT THE AMBER FLAPS FAIL.EICAS MESSAGE. WE RAN THE APPROPRIATE CHECKLIST, DIVERTED AND LANDED AT ANOTHER AIRPORT. REMOVED SUSPECTED FAULTY FLAP CONTROLLER PN: 8-341-06 SN: D1259.INSTALLED CUSTOMER SUPPLIED TESTED FLAP CONTROLLER PN: 8-341-06 SN: D1167. COMPLLED WITH SATISFACTORY OPS CHECKS OF THE FLAPS, NO DEFECTS NOTED REF CL-650 AMM 27-51-04