# SDR SWAA983009

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 20, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N95SW](https://openairdocs.org/aircraft/N95SW), registered now
- Make and model: Boeing 737-2H4
- Registry model: [Boeing 737-2H4](https://openairdocs.org/model/boeing-737-2h4) (OpenAirDocs)
- Aircraft serial: 23054
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Coupler
- Part number: 4030952
- Condition: Failed
- Location: Yaw Damper
- Stage of operation: DE
- Nature of condition: F
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA983009

## Discrepancy

AT SPEEDS LESS THAN 210 KTS, AIRCRAFT YAWS BACK AND FORTH WITH YAW DAMPER ON.  REMOVED AND REPLACED YAW DAMPER COUPLER, OPS CHECKED GOOD PER BOEING M/M.

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