# SDR ASAA0957094

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 30, 2009
- Submitted: December 2, 2009
- Operation: Air carrier
- Aircraft: [N517AS](https://openairdocs.org/aircraft/N517AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35197
- Aircraft time: 3,419 hours, 1,025 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Position Sensor
- Part number: H504B
- Condition: Out Of Adjust
- Location: Aileron
- Stage of operation: AP
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA0957094

## Discrepancy

AUTOPILOTS DISENGAGED OVER FAF APPROX 1800FT MSL AIRCRAFT ON SPEED LIGHT TO MOD TURB (AUTOLAND EVAL ATTEMPT).  FOUND FAULT CODE 22 11190 B SIDE.  ADJUSTED AILERON POSITION SENSOR.  AILERON RIG TEST GOOD.  BITE TEST GROUP NR 46 AND LAND VERIFY TEST GOOD.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.