# SDR CA110118004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 12, 2011
- Submitted: March 15, 2011
- Operation: Air carrier
- Make and model: Cessna 550
- Registry model: [Cessna 550](https://openairdocs.org/model/cessna-550) (OpenAirDocs)
- Aircraft time: 11,028 hours
- Engine: Pwc PW610FA
- System (JASC): [2721 · Rudder Tab Control System](https://openairdocs.org/jasc/2721)
- Part: Actuator
- Part number: 556545053
- Condition: Malfunctioned
- Location: Rudder
- Part time: 11,152 hours
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA110118004

## Discrepancy

DURING A BASE INSP, IT WAS DISCOVERED THAT THE RUDDER TRIM WHEEL WAS EXTREMELY DIFFICULT TO OPERATE.  ON EXAMINATION, IT WAS FOUND THAT 1 OF THE ACTUATOR SCREWS SEEMS TO HAVE JUMPED A THREAD. THE TRIM ACTUATOR WAS REPLACED WITH A NEW PN 55654-102.

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