# SDR E81R201112312271

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 31, 2011
- Submitted: January 3, 2012
- Operation: Air carrier
- Aircraft: [N175QS](https://openairdocs.org/aircraft/N175QS), registered now
- Make and model: Beech 400A
- Registry model: [Beech 400A](https://openairdocs.org/model/hawker-beechcraft-400a) (OpenAirDocs)
- Aircraft serial: RK574
- Aircraft time: 1,191 hours, 1,119 cycles
- System (JASC): [2215 · Autopilot Main Servo](https://openairdocs.org/jasc/2215)
- Part: Servo
- Part number: 6226717104
- Part serial: 346RW
- Condition: Malfunctioned
- Location: Rudder
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/E81R201112312271

## Discrepancy

DURING TROUBLESHOOTING FOR INOPERATIVE AUTOPILOT PITCH TRIM, RECEIVED A RUDDER SERVO FAULT INDICATION ON ACFT MX DIAGNOSTIC COMPUTER.  REPLACED THE RUDDER SERVO WITH AN O/H SERVO.  NO FAULT INDICATIONS NOTED, OPS NORMAL. RECOMMEND SERVO MFR INVESTIGATE FAIL INDICATION AT INCOMING INSP.

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