# SDR CA140221018

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 8, 2014
- Submitted: September 14, 2015
- Operation: General aviation
- Make and model: Bombdr DHC8400
- 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
- Part time: 16,053 hours
- Stage of operation: CL
- How discovered: O
- Nature of condition: F
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA140221018

## Discrepancy

(CAN) ON CLIMBOUT, THE RUDDER TRIM WOULD NOT TRIM TO THE RT. THE DECISION WAS MADE TO RETURN TO BASE.  A NORMAL APPROACH AND LANDING WAS MADE. TROUBLESHOOTING CARRIED OUT, FOUND SWITCH TO BE INTERMITTANT.  PANEL DISASSEMBLED. WIRE FOUND BROKEN OFF BACK OF RUDDER TRIM SWITCH.  WIRE RESOLDERED IAW PSM 1-84-2W 27-22-00, RUDDER TRIM CHECKED SERVICEABLE IAW PSM 1-84-2 27-22-00.

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