As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IN SHOP. BENCH TEST OF MODULE PERFORMED DUE TO REPORTED DROP OF HYDRAULIC PRESSURE TO ZERO P.S.I. IN SYSTEM 2. ALL TEST RESULTS WERE WITHIN LIMITS EXCEPT PRESSURE SWITCH TEST. ONE-HALF OF SWITCH STUCK ON HIGH PRESSURE SIDE. (FAILURE OF SWITCH NOT RELATED TO ZERO P.S.I. REPORT).