As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WITH VERTICAL SPEED SELECTED, RIGHT AUTO PILOT, AND -500FT/MIN SELECTED AT 10,000FT, ACTUAL VERTICAL SPEED WENT TO -2500FT/MIN UNTIL AUTOPILOT WAS DESESECTED IS 0. SIMILAR TO PREVIOUS WRITEUP. THE FOLLOWING MCDP GROUND TEST 30 CURRENT FAULT REPORT AND TEST 40 AUTOLAND PERFORMED AND ALL TESTS PASSED. NO FAULT REPORT IAW AMM 22-00-02-2 . NO FAULT FOUND FOR THE LAST FLIGHT LEG. R & R THE AFCS MODE CONTROL PANEL IAW MM 22-11-02-2. TEST 04 PASSED.