What was found
LOSS OF AIRSPEED INDICATION, SPEED TRIM & AUTO THROTTLE. REPLACED RT AIR DATA INERTIAL REFERENCE UNIT. SYSTEM GROUND CHECKED NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LOSS OF AIRSPEED INDICATION, SPEED TRIM & AUTO THROTTLE. REPLACED RT AIR DATA INERTIAL REFERENCE UNIT. SYSTEM GROUND CHECKED NORMAL.