# SDR CA020510004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 26, 2002
- Submitted: May 31, 2002
- Operation: Air carrier
- Make and model: Dhav DHC8*
- Engine: Pwc PW150A
- System (JASC): [2721 · Rudder Tab Control System](https://openairdocs.org/jasc/2721)
- Part: Switch
- Part number: 682015
- Condition: Failed
- Location: Rudder Trim
- Stage of operation: CR
- 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/CA020510004

## Discrepancy

(CAN) DURING CRUISE FLIGHT AT FLIGHT LEEL 190 THE CREW EXPERIENCED A RUNAWAY RUDDER TRIM ACTUATOR WITH A FULL RIGHT DEFLECTION. RUDDER TRIM INDICATOR WAS NEUTRALIZED BY THE CREW AND THE RUDDER TRIM ACTUATOR CB F7 WAS PULLED ACCORDING TO THE EMERGENCY CHECKLIST.

---
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.