What was found
WHEN ENGAGING SECOND AUTOPILOT FOR AUTOLAND APPROACH B, THE AUTOPILOT DISENGAGED, ENGAGED AUTOPILOT A, ATTEMPTED TO ENGAGE B AGAIN, SAME RESULT. UNABLE TO ATTEMPT APPROACH. ACFT GROUNDED. ACCOMPLISHED DFCS BITE IAW FIM 22-11 TASK 801 CURRENT STATUS, AUTOPILOT PASSED. LEG 1 CHANNEL A FAULTED, MESSAGE 22-11054, CHANNEL B FAULTED, MESSAGE 22-11052, THREE TIMES. ACCOMPLISHED FIM 22-11 TASK 805, RT ALT -2 OUTPUT, NO FAULTS. ACCOMPLISHED FIM 22-11 TASK 801 FOR FCC-B, NO FAULTS. WHILE ACCOMPLISHING LAND VERIFY MESSAGE 22-11158 LOGGED. ACCOMPLISHED FIM 22-11 TASK 801 SPOILER 4 POSITION, WITH NO FURTHER FAULTS. ACCOMPLISHED AILERON RIGGING TEST IAW AMM 22-11-00, SPOILER 4 WITHIN LIMITS. ACCOMPLISHED LAND VERIFY IAW AMM 22-11-00 BITE GRP 49. GROUND FUNCTIONAL TESTS PASSED.