As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PRIMARY PITCH TRIM FAILURE CAUSED AIRCRAFT TO DIVERT FROM ORIGINAL DESTINATION AND LAND. REPLACE PITCH TRIM CONTROL BOX AND TESTED SYSTEM OK. REMOVED COMPONENT HAS EVIDENCE OF HYDRAULIC FLUID CONTAMINATION FROM AN EARLIER LEAK THAT HAD BEEN REPAIRED.