What was found
UNABLE TO START RIGHT ENGINE VIA AIR START, DUCT PRESSURE APPROX 10 PSI. LEFT ENGINE STARTED NORMALLY WITH PROPER DUCT PRESSURE, FOLLOWED BY CROSS BLEED TO START RIGHT ENGINE.(<P>PERFORMED SYS TEST OF CTR ISO VALVE SYSTEM IAW 36-11-00, NO FAULTS NOTED. PERFORMED RT ENGINE START IAW AMM 71-00-00, ENGINE START NORMAL, DUCT PRESSURE 30 PSI.</P>)