# SDR SWIA200412986

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 2, 2004
- Submitted: March 11, 2004
- Operation: Air carrier
- Aircraft: [N234SW](https://openairdocs.org/aircraft/N234SW), registered now
- Make and model: Emb EMB-120ER
- Registry model: [EMB EMB-120ER](https://openairdocs.org/model/embraer-emb-120er) (OpenAirDocs)
- Aircraft serial: 120308
- Aircraft time: 19,142 hours, 27,643 cycles
- System (JASC): [2215 · Autopilot Main Servo](https://openairdocs.org/jasc/2215)
- Part: Servo
- Part number: 6225734002
- Part serial: 396
- Condition: Malfunctioned
- Location: Elevator
- Part time: 5,874 hours, 7,894 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: F
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWIA200412986

## Discrepancy

WHEN AUTOPILOT ENGAGED ON FIRST OFFICER'S SIDE, THE AIRCRAFT ABRUPTLY LEVELS OFF 300 FEET PRIOR TO SELECTED ALTITUDE.  REPLACED ELEVATOR SERVO AS REQUIRED.  SYSTEM OPS CHECKS GOOD IAW 22-10-00.

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