# SDR COMA0660504

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 22, 2006
- Submitted: August 23, 2006
- Operation: Air carrier
- Aircraft: [N821CA](https://openairdocs.org/aircraft/N821CA), registered now
- Make and model: Cndair CL6002B19
- Aircraft serial: 7420
- Aircraft time: 15,682 hours, 13,042 cycles
- System (JASC): [3417 · Air Data Computer](https://openairdocs.org/jasc/3417)
- Part: Adc
- Part number: 8220372445
- Part serial: J3GD
- Condition: Faulty
- Location: E/E Bay
- Part time: 12,317 hours, 10,629 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/COMA0660504

## Discrepancy

FLIGHT 5065 - EN ROUTE CVG-MEM NR 2 ADC FAILED, ASSOCIATED WITH MACH TRIM MESSAGE, FLIGHT RETURNED TO CVG.  REPLACED THE NR 2 AIR DATA CONTROL UNIT.

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