What was found
PILOT REPORT FLIGHT NR 30 - LIH-OGG - NR 2 ENGINE START VALVE OPEN LIGHT CAME ON AND STAYED ON INFLIGHT. SHUT DOWN ENGINE AND DIVERTED TO HNL. FOUND 13TH STAGE BLEED AIR DUCT BLOWN OUT OVER STARTER VALVE PRESSURE SWITCH. REPLACED DUCT, NO LEAKS NOTED. OPS CHECK START VALVE, CHECKED OK. AIRCRAFT RETURNED TO SERVICE. (W)