As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHEN IN NAV/LOC MODE A/P CARRIES RIGHT WING 7 DEGREES LOW. WHEN DISENGAGING FROM NAV/LOC MODE TO MANUAL MODE, WINGS RAPIDLY RETURN TO LEVEL. RESEATED AUTOPILOT ROLL COMPUTER PER B-727 MM 22-11-111 AND RESEATED AUTOPILOT MODE CONTROL PANEL PER B-727 MM 22-11-181. PERFORMED BITE TEST PER B-727 MM 22-00 TO ROLL CHANNEL, CK GOOD.