# SDR MALA020298

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 26, 2002
- Submitted: May 29, 2002
- Operation: Air carrier
- Aircraft: N109XJ
- Make and model: Saab SF340A
- Registry model: [Saab SF340A](https://openairdocs.org/model/saab-scania-sf340a) (OpenAirDocs)
- Aircraft serial: 340A109
- System (JASC): [2215 · Autopilot Main Servo](https://openairdocs.org/jasc/2215)
- Part: Servo
- Part number: 6225027002
- Part serial: 915
- Condition: Failed
- Location: Rudder
- Stage of operation: CR
- How discovered: O
- Nature of condition: F
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MALA020298

## Discrepancy

DURING FLIGHT AT CRUISE, AUTO PILOT YAW DAMPER INOP.  AP DISENGAGED AND CAN NOT BE REENGAGED.  MAINTENANCE REMOVED AND REPLACED RUDDER SERVO IAW AMM 22-10-21-4.  OPS CHECKS GOOD.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
