What was found
AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT DIVERTED TO IAD. DESCENDING THROUGH FL230, THE FLIGHT CREW REPORTED AUTOPILOT 1 FAULT MESSAGE AND A ALTERNATE LAW MESSAGE ALONG WITH THE FLAPS BEING STUCK BETWEEN ZERO AND ONE. THE DECISION WAS MADE TO DIVERT TO IAD IN ORDER TO HAVE A LONGER RUNWAY, THE AIRCRAFT LANDED SAFELY AT IAD WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE # 1 SLAT AND FLAP CONTROL COMPUTER PER AMM 27-51-34. (AALA202305012838) AND REPLACED THE #2 AIR DATA AND INERTIA REFERENCE UNIT (ADIRU) PER AMM 34-12-34. (AALA202305015776) A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED.