# SDR DXTA200803001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 16, 2008
- Submitted: April 17, 2008
- Operation: Air carrier
- Aircraft: [N918QS](https://openairdocs.org/aircraft/N918QS), registered now
- Make and model: Cessna 750
- Registry model: [Cessna 750](https://openairdocs.org/model/cessna-750) (OpenAirDocs)
- Aircraft serial: 7500223
- Aircraft time: 5,035 hours, 2,992 cycles
- Engine: Allsn AE3007C
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Computer
- Part number: 7022090901
- Part serial: 03030619
- Condition: Illuminated
- Location: Yaw
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA200803001

## Discrepancy

UPPER YAW DAMP FAIL (A-B) ILLUMINATED AFTER TAKE-OFF. REPLACED B SYSTEM YSAC COMPUTER, IAW 750 MM CH 27-29-01, OP'S CHECK GOOD.

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