What was found
RIGHT BLEED TRIP OFF LIGHT ILLUM, FOLLOWED QRH. RESET RE-TRIPPED. CHANGED ATA 3600 TO 3610. PERFORMED RIGHT ENGINE BLEED HEALTH CHECK PER AMM 36-11-01. FOUND PRSOV, BAR, AND HI STAGE REGULATOR FAILED. REPLACED IAW AMM 36-11-04, 36-11-03, AND 36-11-07. ALL OPS CHECKS WITH NO DEFECTS. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1380796 S/N OFF 03455 TT # 1467246 S/N OFF 04882 TT # 1452417 S/N OFF 07328 REGULATOR, HI STAGE OFF 29-3611-9-0006 3455 ON 29-3611-9-0006 0160 VALVE, PRESSURE OFF 29-3612-9-0004 4882 ON 29-3612-9-0004 0511 REGULATOR, BLEED OFF 29-3611-9-0005 7328 ON 29-3611-9-0005 7540.