# SDR DXTA2013052905402

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 27, 2013
- Submitted: May 29, 2013
- Operation: Air carrier
- Aircraft: [N839QS](https://openairdocs.org/aircraft/N839QS), registered now
- Make and model: Cessna 560CESSNA
- Aircraft serial: 5600690
- Aircraft time: 5,332 hours, 4,286 cycles
- System (JASC): [2710 · Aileron Control System](https://openairdocs.org/jasc/2710)
- Part: Trim System
- Condition: Contaminated
- Location: Aileron
- Stage of operation: CR
- 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/DXTA2013052905402

## Discrepancy

AT FL 400, AUTOPILOT DISENGAGED,  DISCOVERED THE AILERON TRIM ALMOST UNMOVABLE.  ABLE TO MOVE TRIM WITH EXCESSIVE FORCE.  DURING POST-FLIGHT, AILERON TRIM MOVES FREELY.  POSSIBLE FREEZING ISSUE AT ALTITUDE.  CHECKED AILERON TRIM TENSION & AILERON WING CABLE TENSION,  AILERON TRIM CABLE TENSIONS ARE SUPPOSE TO BE 20 +/- 3LBS.  AILERON TRIM CABLE TENSIONS ARE AT 23LBS.  AILERON WING CABLE TENSIONS ARE SUPPOSE TO BE AT 30 +/- 5LBS.  AILERON WING CABLE TENSIONS ARE AT 33LBS.  CLEANED GREASE FROM BORES OF ACTUATOR.  FOUND EXCESS WATER IN GREASE, FOUND TRIM CHAINS CAKED WITH GREASE & WATER.  CLEANED CHAINS AND CHAIN.  GREASED ACTUATOR AND CHAINS TRIM OPERATED SMOOTH NO GRINDING NO BINDING, DONE IAW CMM 27-10-06.

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