What was found
RIGHT ENGINE BLEED OFF, ZERO DUCT PRESSURE RIGHT SIDE. REMOVED AND REPLACED RT ENGINE PRV, PER MM 36-11-18, NO HELP. REQUIRE TROUBLESHOOTING (OFF PART: P/N 802170-9, S/N 900810). REMOVED AND REPLACED PRV CONTROLLER, RIGHT ENGINE (OFF PART: PN 792755-16, SN 200108016), AS PER AMM 36-11-19, NO HELP. REQ TROUBLESHOOTING. SECURED MUSCLE LINES TO RT ENGINE HPSOV AND PERFORMED AIR SUPPLY CHECK AND SYSTEM OPERATIONAL TEST, IAW AMM 36-11-00-715-149. OPERATIONS CHECK NORMAL.