# SDR 9WGA2019092601

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 26, 2019
- Submitted: September 27, 2019
- Operation: Air carrier
- Aircraft: [N415JN](https://openairdocs.org/aircraft/N415JN), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48415
- Aircraft time: 66,072 hours, 13,933 cycles
- System (JASC): [3417 · Air Data Computer](https://openairdocs.org/jasc/3417)
- Part: Cadc
- Part number: 40590601
- Part serial: 90100253
- Condition: Malfunctioned
- Location: Cockpit
- Stage of operation: CL
- How discovered: O
- Nature of condition: S
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/9WGA2019092601

## Discrepancy

ON CLIMB OUT, ALTIMETER AND INDICATED AIRSPEED COMPARATOR ALERT DISPLAYED. REPLACED CADC OPERATIONAL AND LEAK CHECK OK.

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