What was found
DURING CLIMB OUT, CAPTAIN`S AIRSPEED INDICATOR DROPPED 40 KTS. WINDSHEAR WARNING ENSUED. F/O & STBY INDICATORS WERE NORMAL. FMS MESSAGE SAID AIR DATA DISAGREE. RETURNED TO FIELD. R & R NR 1 ADC IAW AMM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING CLIMB OUT, CAPTAIN`S AIRSPEED INDICATOR DROPPED 40 KTS. WINDSHEAR WARNING ENSUED. F/O & STBY INDICATORS WERE NORMAL. FMS MESSAGE SAID AIR DATA DISAGREE. RETURNED TO FIELD. R & R NR 1 ADC IAW AMM.