What was found
RIGHT ENGINE (BLEED) OFF LIGHT ON & RIGHT ENG BLEED OFF EICAS MESSAGE, WITH ENGINE RUNNING, ENGINE BLEED SWITCH ON, LT & RT ISOLATION VALVES CLOSED, A/C PACK SELECTED ON, & DUCT PSI IS ZERO. OFF LIGHT STAYS ON WHEN N1 IS ABOVE 41 PERCENT. RIGHT ENGINE BLEED OFF LIGHT ILLUM (NEVER EXTINGUISHED) FOLLOWING NORMAL AFTER START FLOW. REPLACED PRVC, NO HELP. REPLACED NR 2 ENGINE PRSOV. OP CHECKED NORMAL ON ENGINE RUN, NO LEAKS.