What was found
LOST CAPTAIN'S AIRSPEED TAPE INDICATION ON ROTATION. REPLACED AIR DATA INERTIAL REFERENCE UNIT NR 1. BUILT IN TEST EQUIPMENT CHECKED GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LOST CAPTAIN'S AIRSPEED TAPE INDICATION ON ROTATION. REPLACED AIR DATA INERTIAL REFERENCE UNIT NR 1. BUILT IN TEST EQUIPMENT CHECKED GOOD.