As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
R ENG BLEED VALVE WOULD NOT OPEN, EVEN AT 75% N2(<P>REMOVED AND REPLACED ENG PRESSURE REGULATING VALVE IAW AMM 36-11-18. S/N OFF - NSN P/N OFF-792755-15 - VALVE.</P> / <P>14JUL21 - 1390662 - ITEM# 5 - CVG - REMOVED AND REPLACED AIR SUPPLY BITE MODULE IAW AMM 36-21-01. NO FAULTS PRESENT AT THIS TIME.</P>)