# SDR DXTA2015091106078

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 10, 2015
- Submitted: September 11, 2015
- Operation: Air carrier
- Aircraft: [N324QS](https://openairdocs.org/aircraft/N324QS), registered now
- Make and model: Cessna 680CE
- Aircraft serial: 6800242
- Aircraft time: 6,367 hours, 4,272 cycles
- System (JASC): [2730 · Elevator Control System](https://openairdocs.org/jasc/2730)
- Part: Link
- Part number: 696142212
- Condition: Sheared
- Location: Flight Control
- 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/DXTA2015091106078

## Discrepancy

DURING TAKEOFF ROTATION, A DISTINCT BUMP & REARWARD FORCE OCCURRED IN THE CONTROL YOKE.  AS THE ACFT ACCELERATED, EXCESSIVE NOSE DOWN TRIM WAS REQUIRED.  AT MAXIMUM NOSE DOWN SETTING -1.2, ANY SPEED ABOVE 156 KNOTS WAS OUT OF TRIM & REQUIRED FWD CONTROL YOKE FORCE.  INSPECTED THE LINEAR ACTUATOR, AND  FOUND INSTALLED PROPERLY.  FURTHER INSPECTION FOUND THE LINK ASSEMBLY SHEARED.  THE INBD LINK WAS REMOVED & THE REPLACEMENT LINK WAS INSTALLED.  THE ACTUATOR ASSEMBLY WAS INSTALLED & RECONNECTED IAW MM 27-40-00 & ASL680-27-02.  PERFORMED RIGGING OF MACH TRIM SYS IAW MM 27-40-00.  RIGGING & TRAVEL CHECKED GOOD.  PERFORMED THE OPS CHECK, CHECKED GOOD.  VERIFIED INSTALLATION & OPS CHECKED GOOD.

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