As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: FAULT INDICATION FOR SYSTEM B FLIGHT CONTROLS, FLIGHT RETURNED TO FIELD. INTERMITTENT FAULT PER TROUBLESHOOTING IAW FIM 27-21-00-810-814; REPLACED SYSTEM B LOW PRESSURE SWITCH WITH NEW IAW AMM 27-09-61 AS PRECAUTION, LEAK AND OPS CHECK GOOD.