# SDR FDEA201710193005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 19, 2017
- Submitted: October 20, 2017
- Operation: Air carrier
- Aircraft: [N612FE](https://openairdocs.org/aircraft/N612FE), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48605
- Aircraft time: 77,302 hours, 18,603 cycles
- System (JASC): [3417 · Air Data Computer](https://openairdocs.org/jasc/3417)
- Part: Cadc
- Part number: 4059060901
- Part serial: 89010217
- Condition: No Test
- Location: Nr 2
- Stage of operation: TO
- How discovered: O
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA201710193005

## Discrepancy

AT 110 KTS,  ALT & IAS AMBER ALERTS APPEARED ON THE CAPTAIN`S AND FIRST OFFICER`S PFOS.  DURING TROUBLESHOOTING IAW FIM 34-11-01-03, AND 34-11-03-03, FOUND THE NR 2 CADC WOULD NOT TEST. REMOVED AND REPLACED THE NR 2 CADC IAW MM 34-16-01-4, 34-10-00-2, 22-00-00-2.   SYSTEM OPS NORMAL,  ACFT OK FOR SERVICE.

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