What was found
AUTOPILOT DISCONNECTED UNCOMMANDED PRIOR TO LANDING, NO WARNINGS DISPLAYED. GROUNDED-YES. ACCOMPLISHED T/S, PER B737-800 FIM 22-11 TASK 899-DFCS GROUP NR 20 FAULT REVIEW SHOWED FAULTS 22-11415 "FGN FCC DROPPED IN APP" AND 22-11479 "P SPM MON" LOGGED ON LEG 9 OF FCC-A, BUT NO RELEVANT FAULTS IN LAST 8 LEGS OR IN FCC-B. ACCOMPLISHED T/S FOR FAULTS 22-11415 AND 22-11479, PER FIM 22-14 TASK 801-INITIAL EVALUATION (DFCS/AT LRU REPLACEMENT TEST, PER FIM 22-11 TASK 802) DID NOT CONFIRM FAULT. ACCOMPLISHED DFCS GROUP NR 10 (CURRENT STATUS) AND GROUP NR 11 (AUTOPILOT) TESTS, PER FIM 22-11 TASK 801-ALL TESTS PASS. PERFORMED DFCS GROUP NR 49 (LAND VERIFY) TEST, PER B737-800 AMM 22-11-00-700-801-ALL TESTS PASS.