What was found
DURING CLIMB, NEAR FL 206, THE AIRCRAFT RETURN TO DEPARTURE, DUE TO EICAS MESSAGE IN ICE CONDITIONS, STALL PROT ICE SPEED, THEM DURING QRH ACTIONS EICAS MESSAGE BLEED 1 FAIL AFTER FEW SECONDS, BLEED 2 FAIL AND THEN CABIN ALT HI EICAS MESSAGE AND EMERGENCY DESCENT PROCEDURE. PERFORMED FIM 36-11-00-810-817-A AND REMOVED AND REPLACED THE NR 1 ENGINE FAN AIR VALVE IAW AMM 36-11-09, PERFORMED FIM 36-11-00-810-809-A, NR 1 & 2 ENGINES LEAK CHECKED IAW AMM 36-11-06-790-801-A, AND NO LEAKS WERE FOUND, REMOVED AND REPLACED THE NR 1 ENGINE HIGH STAGE BLEED IAW AMM 36-11-01, LEAK TESTED IAW AMM 36-11-01-790-801-A, NORMAL, NO LEAKS AND NAC HIGH PRESSURE BLEED VALVE IAW AMM 36-11-03 AND LEAK TESTED IAW AMM 36-11-01-790-801-A OK NORMAL NO LEAKS. THE AIRCRAFT RETURN TO NORMAL OPERATION