What was found
AT FL410, FLAPS FAIL AMBER CAS. FLAP INDICATOR AMBER. WENT TO 7 AMBER IND & BACK TO 0 W/O BEING TOUCHED. DIVERTED & AT 14,000' RAN FAIL QRC. NO RESET. RAN QRC 1 MORE TIME AT 4,000' & FLAPS NORMAL. FLAPS TO 35 & NORMAL LANDING. FLAPS RETRACTED NORMAL ON GRND. POWERED UP AIRCRAFT WITH NO MESSAGES PRESENT. BITE TESTED FLAP CONTROLLER & FOUND BITE 8 & 9 IAW MM 27-50-00. SUSPECT RT FLAP RESOLVER COLD SOAKED CAUSING ERRONEOUS READINGS AT ALTITUDE. COMPLIED WITH STEPS 5.A.(1)-5.B.(4) FOR REMOVAL & INSTALL RT FLAP SENSOR IAW MM 27-52-00. REMOVED & INSTALLED. COMPLIED WITH STEPS 4.A.(1)-(17) FOR FLAP RIG IAW 27-50-00.