# SDR AALA2018082989027

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 24, 2018
- Submitted: August 29, 2018
- Operation: Air carrier
- Aircraft: [N994NN](https://openairdocs.org/aircraft/N994NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 33248
- Aircraft time: 6,965 hours, 2,718 cycles
- System (JASC): [2720 · Rudder Control System](https://openairdocs.org/jasc/2720)
- Part: Rudder
- Condition: Vibration
- Stage of operation: TO
- How discovered: O
- Nature of condition: E
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA2018082989027

## Discrepancy

VIOLENT UNCOMMANDED YAW DURING TAKEOFF ROLL.  MAINTENANCE ACCOMPLISHED AN EVALUATION, CONFIRMS EVENT, AND ACCOMPLISHED SATISFACTORY RUDDER SYSTEM TESTS IAW AMM 27-21-00.

---
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.