# SDR DBCA2017062300001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 23, 2017
- Submitted: June 26, 2017
- Operation: Air carrier
- Aircraft: [N250CM](https://openairdocs.org/aircraft/N250CM), registered now
- Make and model: Cessna 680SOV
- Aircraft serial: 6800170
- Aircraft time: 3,792 hours, 2,785 cycles
- System (JASC): [2710 · Aileron Control System](https://openairdocs.org/jasc/2710)
- Part: Proximity Switch
- Part number: 840502
- Part serial: A60530
- Condition: Failed
- Location: Aileron
- Part time: 3,792 hours, 2,785 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DBCA2017062300001

## Discrepancy

NO TAKEOFF CAS MESSAGE - ROLL SYSTEM CAS IN NO TAKEOFF PAGE NOTED WHILE TAXIING. CREW RETURNED TO HOME BASE.   REMOVED AND REPLACED AILERON RATIO ACTUATOR PROXIMITY SWITCH.  OPERATIONS CHECKED GOOD.

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