# SDR SCNA20161223377

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 23, 2016
- Submitted: December 27, 2016
- Operation: Air carrier
- Aircraft: [N809SY](https://openairdocs.org/aircraft/N809SY), registered now
- Make and model: Boeing 737-8Q8
- Registry model: [Boeing 737-8Q8](https://openairdocs.org/model/boeing-737-8q8) (OpenAirDocs)
- Aircraft serial: 30683
- Aircraft time: 39,320 hours, 15,696 cycles
- System (JASC): [2211 · Autopilot Computer](https://openairdocs.org/jasc/2211)
- Part: Sensor
- Condition: Misinstalled
- Location: Ailerons
- Stage of operation: CL
- How discovered: O
- Nature of condition: F, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SCNA20161223377

## Discrepancy

ON CLIMOUT IN HDG MODE AP ENGAGEMENT CAUSED A VIOLENT TURN TO THE RIGHT. DISCONECTED AP AND TRIED CMD A AGAIN WITH SAME RESULT. WE TRIED CMD B WITH SAME RESULT. DISCONECTED AP AND DID NOT ATTEMPT AGAIN. FOUND AILERON SENSOR INTALLED 180 OUT.  TRANSFERD AND ACCOMPLISHED WORK ON AAR N/R.

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