# SDR WX0A2015052072602

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 19, 2015
- Submitted: May 20, 2015
- Operation: Air carrier
- Aircraft: [N861GA](https://openairdocs.org/aircraft/N861GA), registered now
- Make and model: Doug DC-9-83
- Registry model: [Doug DC-9-83](https://openairdocs.org/model/douglas-dc-9-83) (OpenAirDocs)
- Aircraft serial: 49557
- System (JASC): [3417 · Air Data Computer](https://openairdocs.org/jasc/3417)
- Part: Cadc
- Part number: HG280D80
- Part serial: 1137
- Condition: Failed
- Location: Nr 1
- Stage of operation: DE
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/WX0A2015052072602

## Discrepancy

ON DESCENT, CADC NR 1 & CADC NR 2 FAILED.  AUTO THROTTLE & AUTO PILOT DISCONNECTED MOMENTARILY & AIRSPEED DISCREPANCY OF 30KTS BETWEEN AIRSPEED INDICATOR, UNDER FLIGHT FAULT REVIEW, FOUND ONLY CADC NR 1 FAILED.  R & R CADC 1 IAW AMM 34-16-01.  OPERATIONS CHECKED GOOD, LEAK CHECKED GOOD.  RTS SHOWS GO AT THIS TIME.

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