As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT BLEED TRIP OFF AT FL410, IT RESET OK. TROUBLESHOT PER AMM 36 00 00 PG101. FOUND PRSOV HAD RESISTANCE DURING WRENCH CHECK NO OTHER DISCREPANCIES FOUND. REMOVED AND REPLACED PRSOV PER AMM 36 11 04 400 801, OPS CHECKS GOOD PER SAME AMM. WRENCH CHECK VALVE OPERATES SMOOTHLY.