# SDR 2007F00001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 27, 2006
- Submitted: December 27, 2006
- Operation: Air carrier
- Aircraft: [N40FC](https://openairdocs.org/aircraft/N40FC), registered now
- Make and model: Cessna 650
- Registry model: [Cessna 650](https://openairdocs.org/model/cessna-650) (OpenAirDocs)
- Aircraft serial: 6500143
- Aircraft time: 5,298 hours, 4,378 cycles
- Engine: Garrtt TFE731*
- System (JASC): [2741 · Stabilizer Position Indicating](https://openairdocs.org/jasc/2741)
- Part: Control Unit
- Part number: 101000B
- Part serial: 2032
- Condition: Defective
- Location: Stab Act Trim
- 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/2007F00001

## Discrepancy

PRIMARY TRIM ANNUNCIATOR COMES ON INFLIGHT. SECONDARY TRIM FAIL LIGHT ILLUMINATES ALSO AND STAB TRIM WILL NOT MOVE. TROUBLESHOT STABILIZER SYSTEM; FOUND HORIZONTAL STABILIZER ACTUATOR CONTROL UNIT DEFECTIVE. REPLACED AS REQUIRED; PERFORMED FUNCTIONAL CHECK FLIGHT; NO DEFECTS NOTED.

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