What was found
(CAN) MULTIPLE CAUTIONS, DURING CRUISE AT FL240 THE FOLLOWING CAUTIONS APPEARED AND STAYED ON DURING THE REST OF THE FLIGHT: PUSHER SYS FAIL, PITOT HEAT NR 2, ENG ADPT HEAT NR 2, DEICE TIMER. QRH CONSULTED AND MANUAL FLYING PERFORMED ACCORDINGLY. NORMAL LANDING COMPLETED. CONTACTOR K2 IN RT AC CONTACTOR BOX WAS REPLACED, BUT THE FAULT WAS STILL PRESENT ON NEXT FLT. THE PROBLEM WAS IDENTIFIED AS THE TIMER AND MONITOR UNIT (TMU) IN THE DE-ICING SYSTEM.