What was found
THE FLIGHT CREW REPORTED THAT THE NR 1 PDF INDICATED THE LOSS OF IAS AND ALT ON THE CAPTAINS SIDE WHILE ENROUTE. TROUBLESHOOTING INDICATED THE NR 1 ADC DEFECTIVE. THE ADC WAS REPLACED WITH AN O/H UNIT IAW AMM 34-10-01.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
THE FLIGHT CREW REPORTED THAT THE NR 1 PDF INDICATED THE LOSS OF IAS AND ALT ON THE CAPTAINS SIDE WHILE ENROUTE. TROUBLESHOOTING INDICATED THE NR 1 ADC DEFECTIVE. THE ADC WAS REPLACED WITH AN O/H UNIT IAW AMM 34-10-01.