What was found
AIRCRAFT NOT GROUNDED: PILOT REPORTS A/T FAIL, A/P FAIL, A/T FAULT, A/P FAULT, TAILSTRIKE AVOIDANCE FAULT, CHECK IRS 2 POSITION MESSAGES. MAINTENANCE REPORTS IAW FIM 22-31-00-810-815-A (FAULT 22310017TA1), ACCOMPLISHED AIOP A1 MODULE RESET. TESTS GOOD. FOUND TO BE TRANSITORY CONDITION.