# SDR 2006UALA01368

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 10, 2006
- Submitted: July 18, 2006
- Operation: Air carrier
- Aircraft: [N302UA](https://openairdocs.org/aircraft/N302UA), registered now
- Make and model: Boeing 737322
- Aircraft serial: 23643
- Aircraft time: 56,071 hours, 33,085 cycles
- Engine: Cfmint CFM563C1
- System (JASC): [3417 · Air Data Computer](https://openairdocs.org/jasc/3417)
- Part: Adc
- Condition: Malfunctioned
- Location: Nr 1
- Stage of operation: TO
- How discovered: O
- Nature of condition: N
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2006UALA01368

## Discrepancy

REJECTED TAKEOFF AT 100 KTS DUE TO AIRSPEED INDICATOR.  REPLACED NR 1 ADC.  ADC REQUIRES CALIBRATION. NOT RECIEVING ARINC SIGNAL. FOUND IC U33 OF BOARD A6 FAULTY.  REPLACED NR 1 ADC.  FOR THE FAULTY ADC: CALIBRATED. REPLACED U33 ON A6 BOARD.

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