# SDR 2012FA0000470

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 12, 2012
- Submitted: July 12, 2012
- Operation: General aviation
- Aircraft: [N87SL](https://openairdocs.org/aircraft/N87SL), registered now
- Make and model: Cessna 750
- Registry model: [Cessna 750](https://openairdocs.org/model/cessna-750) (OpenAirDocs)
- Aircraft serial: 7500174
- Aircraft time: 4,854 hours, 2,435 cycles
- Engine: Allsn AE3007C
- System (JASC): [2742 · Stabilizer Actuator](https://openairdocs.org/jasc/2742)
- Part: Actuator
- Part number: 991450912
- Part serial: 0203
- Condition: Failed
- Stage of operation: AP
- How discovered: O
- Nature of condition: G, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2012FA0000470

## Discrepancy

AUTOPILOT TRIPS OFF LINE AND LOST MACH TRIM.  PRIMARY, SECONDARY AND MACH TRIM FAILED, ALL AT THE SAME TIME, PRIOR TO LANDING.

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