# SDR AU970166

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 4, 1997
- Submitted: March 26, 2000
- Operation: General aviation
- Make and model: Boeing 737377
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Switch
- Part number: 308503
- Condition: Failed
- Location: Autopilot System
- Stage of operation: CR
- Nature of condition: F
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AU970166

## Discrepancy

(AUS) RUDDER TRIM SWITCH FAULTY - INVESTIGATION FOUND CONTAMINATION BETWEEN THE SWITCH KNOB AND THE LIGHT PLATE CAUSING THE SWITCH TO STICK

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