What was found
A AUTOPILOT DISCONNECTS AND WILL NOT ENGAGE IN APPROACH MODE CAPTAINS RAW DATA WAS NORMAL BUT CAPTAINS F/D VERTICAL AND LATERAL BARS DISAPPEARED. ALL OTHER MODES WORKED NORMALLY A/P & F/D IN CMD A INFO ONLY ALL CMD B A/P AND F/D MODES WORKED NORMALLY. GROUNDED - YES. ACCOMPLISHED DFCS BITE FIM 22-11 TASK 801. NO DEFECTS NOTED. LEG 06 SHOWS MESSAGE 11051. ACCOMPLISHED FIM 22-11 TASK 805, RA OUTPUT PROBLEM FOR RA NR 1. LRRA BITE SHOWS NO FAULTS. ACCOMPLISHED LAND VERIFY REF AMM 22-11-00-700-801, NO FAULTS. AS A PRECAUTION, REF AMM 34-33-21 REMOVED AND REPLACED NR 1 RA/RT. OPS TEST NORMAL.