What was found
AUTOTHROTTLES ARMED FOR TAKEOFF, AUTOTHROTTLES DISCONNECTED AND BOTH FD MASTER LITES ILLUMINATED WHEN TOGA BUTTON WAS PUSHED. ACFT GROUNDED. ACCOMPLISHED DFCS BITE CHECK IAW FIM 22-11, TASK 801 FOUND IRU DATA INVALID IN HISTORY. NO CURRENT FAULTS. ACCOMPLISHED, FIM 22-11, TASK 827. PERFORMED DFCS OPS TEST IAW AMM 22-11-00, TEST OK. AUTOTHROTTLE BITE SHOWED 3 INSTANCES FOR FAULT CODE 22-31687 "ASM-A RATE MONITOR" FAULT LOGGED FOR LEG 5. PERFORMED T/S FOR FAULT CODE 22-31687 IAW FIM 22-32, TASK 819 - INITIAL EVALUATION DID NOT CONFIRM FAULT. PERFORMED AUTOTHROTTLE OPS TEST IAW MM 22-31-00-710-801 AND AUTOTHROTTLE SYS TEST IAW MM 22-31-00-710-802. ALL TESTS PASS. DFCS BITE IAW FIM 22-11, TASK 801 SHOWED FAULTS 22-11182 "AUTO STAB TRIM CUTOUT", 22-11378 "ADIRU DATA INVALID ADIRU-1", AND 22-11379 "ADIRU DATA INVALID ADIRU-2" LOGGED FOR LEG 5 IN BOTH FCCS. PERFORMED DFCS GROUP NR 10, CURRENT STATUS, NR 11, AUTOPILOT, AND NR 12, FLIGHT DIRECTOR, TESTS IAW 22-11, TASK 801, ALL TESTS PASS. PERFORMED DFCS GROUP NR 49, LAND VERIFY, TEST IAW MM 22-11-00-700-801 AND HGS SYS TEST IAW HGS SMM 34-36-00. ALL TESTS PASS.