What was found
RIGHT ENGINE PRV SATUS MESSAGE. OPS THE RT ENGINE PRV MANUALLY SEVERAL TIMES, CHECKED PRVC SOLENOID, OPS OK, AND CHECKED MUSCLE AIR LINE INTEGRITY, NO LEAKS NOTED. VALVE OPERATED NORMALLY WITH REVERSE FLOW. RAN THE RT ENGINE AS REQUIRED, PRV OPERATED NORMAL IAW AMM 36-11-18, AND 71-00-00. OK FOR SERVICE. REMOVED AND REPLACED THE RT ENGINE PRV VALVE IAW AMM 36-11-18, OPS CHECKED NORMAL IAW AMM 71-00-00.