What was found
R ENGINE BLEED VALVE CAUTION MSG ON THE CLIMB THROUGH 8000 FT .WE RAN THE QRH AND CONTINUED CRUISING AT FL380 SINCE THERE WAS NO LIMITING FACTOR TO THE FLIGHT. JUST AS WE STARTED DESCENDING TO FL240 WE GOT A CABIN ALTITUDE WARNING MESSAGE WHICH FORCED US TO EXECUTE AN EMERGENCY DESCENT TO 10.000 FT.THEN LANDED .MTX GROUNDED A/C, INSPECTED AND FOUND TERMINALS 1 AND 2 BROKEN ON HPSOV. RE-TERMINATED TERMINALS 1 AND 2 ON R ENG HPSOV IAW SWPM 20-30-11 AND WDM 36-11-62. OPS CHECK OF HPSOV GOOD IAW AMM 36-11-07. PERFORMED ENGINE RUN ON R ENG IAW AMM 71-00-00. NO DEFECTS NOTED AT THIS TIME.AND RETURNED A/C TO SERVICE .