# SDR USAA2009062591588

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 22, 2009
- Submitted: July 21, 2009
- Operation: Air carrier
- Aircraft: N637AW
- Make and model: Airbus A320-231
- Registry model: [Airbus A320-231](https://openairdocs.org/model/airbus-industrie-a320-231) (OpenAirDocs)
- Aircraft serial: 99
- Aircraft time: 62,049 hours, 27,519 cycles
- System (JASC): [2720 · Rudder Control System](https://openairdocs.org/jasc/2720)
- Part: Servo
- Part number: 810A000005
- Part serial: 1674
- Condition: Failed
- Location: Rudder
- Part time: 36,646 hours, 15,119 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: F
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA2009062591588

## Discrepancy

FLT 128 PHX - MKE - EMERGENCY LANDING - CREW REPORTED RUDDER FLUTTER, DECLARED AN EMERGENCY AND RETURNED TO PHX.  MAINTENANCE REPLACED THE GREEN, YELLOW & BLUE RUDDER SERVO CONTROLS DUE TO FAILURE OF RUDDER FREE PLAY CHECKS.

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