What was found
RNAV APPROACH B AUTOPILOT LNAV+ VNAV ENGAGED AT 1500 AGL FLT DIRECTOR BARS DISPLAYED RNAV PATH BUT AIRCRAFT AUTOPILOT COMMANDED 20 DEGREES LEFT BANK AND 5 DEGREES PITCH UP. PILOT REPORTS DISCREPANCY WENT AWAY WHEN DISENGAGED B AUTOPILOT.<[01] FOUND NO FAULTS IN DFCS. PERFORMED SELF TEST OFF FCC B IAW AMM 22-11-33. SELF TEST PASS. PERFORMED OPS CHECK OF ILS IAW AMM 34-31-00. OPS CHECK GOOD. A/C OK FOR SERVICE.