As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER REPLACING OUR CURRENT BLEED AIR SYSTEM CROSSBLEED VALVE FOR FAILURE, WE REPLACED WITH AN OVERHAUL EXCHANGE UNIT. WE THEN EXPERIENCED AN INTERMITTENT FAILURE OF THE REPLACEMENT VALVE. REPLACEMENT VALVE 8130 SHOWS PART WAS RESTOCKED AS "NO FAULT FOUND."