As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INTERCEPTED ILS LOCALIZER WITH AUTOPILOT ENGAGED ABOUT 3 MILES BEFORE GLIDESLOPE INTERCEPT AUTOPILOT ABRUPTLY PITCHED DOWN 4 TO 5 DEGREES THEN UP A FEW DEGREES WITH A SMALL AMOUNT OF BANK. REPLACED 2B10C CARD AND CHECKED IAW A/C SYS MANUAL, COMPLETED IAW MM 22-100, COMPLETED BRIEF AND DETAILED CHECK ON FLIGHT CONTROLS IAW MM 27-014 AND 27-016. ALL CHECK GOOD AT THIS TIME.