# SDR DXTA200500672

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 11, 2005
- Submitted: April 13, 2005
- Operation: Air carrier
- Aircraft: [N715QS](https://openairdocs.org/aircraft/N715QS), registered now
- Make and model: Cessna 650
- Registry model: [Cessna 650](https://openairdocs.org/model/cessna-650) (OpenAirDocs)
- Aircraft serial: 6507105
- Aircraft time: 4,335 hours, 3,319 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Autopilot Sys
- Condition: Malfunctioned
- Location: Cockpit
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA200500672

## Discrepancy

AFTER TAKEOFF FROM KBAZ THE YAW DAMP AND AUTOPILOT FAILED TO ENGAGE.  BOTH LEFT & RIGHT AP CHANNELS WERE ATTEMPTED WITH NO RESULTS.  FLIGHT DIRECTOR FUNCTIONED NORMALLY.  OPS CHECK A/P SYSTEM CHECK IS GOOD, POWER UP A/C FOR SEVERAL HRS CHECKING A/P OPS CHECK GOOD, ACCESS MAINT MODE ALL SYSTEMS PASSED.  C/W GROUND MAINTENANCE TEST ON SP2-8000 SYSTEM ALL TEST PASSED, COULD NOT DUPLICATE MALFUNCTION SYSTEM, OPS CHECKS GOOD IAW 650 MM CH 34-21-01.

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