What was found
STICK SHAKER AT FL280 FOLLOWED BY FCC2B DATA FAULT. "SEL YAW UPR A " OFF" AND "SEL LSAS LOB OFF" COMPLIED WITH CHECK LIST 2. DUMPED FUEL, AT DUMP TERMINATION, RT DUMP VALVE DISAGREE. FLOW STILL SHOWING ALTHOUGH DUMP VALVE SHOWED CLOSED. R & R FCC-2 AND RTS TEST PASSED IAW AMM 22-01-03/401 AND 22-00-00-700- 801. RESET CIRCUIT BREAKER OF DUMP VALVE INDICATION, FUEL LOW LEVSL S/O AND R FUEL DUMP VALVE THEN FSC RTS TEST PASSED IAW AMM 28-30-00 AND 28-08-01.