# SDR KC8A20140130001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 30, 2014
- Submitted: February 4, 2014
- Operation: Air carrier
- Aircraft: N150CK
- Make and model: Lear 25B
- Registry model: [Lear 25B](https://openairdocs.org/model/gates-lear-jet-25b) (OpenAirDocs)
- Aircraft serial: 150
- Aircraft time: 16,538 hours, 16,165 cycles
- System (JASC): [2721 · Rudder Tab Control System](https://openairdocs.org/jasc/2721)
- Part: Switch
- Part number: 8911K612
- Condition: Unknown
- Location: Rudder Trim
- Stage of operation: CR
- How discovered: O
- Nature of condition: F
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/KC8A20140130001

## Discrepancy

RUDDER TRIM INOPERATIVE.  COULD NOT DUPLICATE. TROUBLESHOT RUDDER TRIM SYSTEM, SUSPECT RUDDER TRIM SWITCH AND REPLACED SELECTOR SWITCH WITH NEW.

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