As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INTERNAL VALVE FAILED IN THE PRECISE FLIGHT SUSIII SHUTTLE VALVE. A RIVET HEAD MIGRATED DOWNSTREAM TO THE ENGINE DRIVEN VACUUM PUMP. THE VACUUM PUMP SUBSEQUENTLY FAILED DUE TO FOREIGN OBJECT INJESTION. SUBMITTER STATED CHECK SYSTEM VISUALLY ON AN ANNUAL BASIS REMOVING THEM FROM SERVICE AFTER 1,000 HRS.