# SDR NACA20030082

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 3, 2003
- Submitted: April 29, 2003
- Operation: Air carrier
- Aircraft: [N930FT](https://openairdocs.org/aircraft/N930FT), registered now
- Make and model: Boeing 727-100
- Registry model: [Boeing 727-100](https://openairdocs.org/model/boeing-727-100) (OpenAirDocs)
- Aircraft serial: 19387
- Aircraft time: 64,202 hours, 49,183 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Coupler
- Part number: 25858001
- Part serial: 0460983
- Condition: Oscillates
- Location: Yaw Damper
- Part time: 3,317 hours, 3,378 cycles
- Stage of operation: TO
- How discovered: O
- Nature of condition: S
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/NACA20030082

## Discrepancy

RIGHT ON TAKE-OFF, UPPER YAW DAMPER OSCILATE AUTO PILOT DISENGAGE, LIGHT STAYED ON, WIND SHEAR CAUTION LIGHT STAYS ON.  REPLACED UPPER YAW DAMPER COUPLER AND TESTED GOOD.

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