What was found
AIRSPEED DISAGREE CAS MESSAGE DISPLAYED DURING TAKEOFF. SUPPLEMENTAL INFORMATION, RESOLVED ON W/O: 1826 TASKCARD: NR-00001. REMOVED NOSE ACCESS PANEL 211CT, PILOT'S AND CO-PILOTS SEATS, DRAINED PITOT/AOA PROBES IAW AMM SUBTASK 34-10-00-061-611-00; PERFORMED PITOT/AOA LEAK TEST IAW AMM SUBTASK 34-10-00-071-701-001. TEST GOOD; PERFORMED PITOT AND STATIC VERIFICATION TEST IAW AMM SUBTASK 34-10-00-071-701-005. FOUND LEFT PFD AIRSPEED TO BE OUT OF LIMITS AND SUSPECT FAULTY NR 1 ADC ME 0020195 04.08.08. REMOVED UNSERVICEABLE ADC FROM NR 1 POSITION. INSTALLED SERVICEABLE ADC, WHICH WAS REMOVED FROM N139DJ NR 1 POSITION, AND INSTALLED IN NR 1 POSITION IAW AMM 34-10-15. COMPLETED ADJUSTMENT/TEST OF AIR DATA COMPUTER IAW AMM 34-10-00.