# SDR AALA202409252091

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 24, 2024
- Submitted: September 25, 2024
- Operation: Air carrier
- Aircraft: [N111US](https://openairdocs.org/aircraft/N111US), registered now
- Make and model: Airbus A320-214
- Registry model: [Airbus A320-214](https://openairdocs.org/model/airbus-a320-214) (OpenAirDocs)
- Aircraft serial: 1114
- Aircraft time: 64,872 hours, 37,871 cycles
- System (JASC): [2720 · Rudder Control System](https://openairdocs.org/jasc/2720)
- Part: Computer
- Part number: B397BAM0624
- Part serial: Q00140013409
- Condition: Defective
- Location: Zone 100
- Part time: 43,863 hours, 18,875 cycles
- Stage of operation: CR
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202409252091

## Discrepancy

AIRCRAFT WAS GROUNDED: IN CRUISE, AIRCRAFT WAS HAVING RANDOM UNCOMMANDED, SMALL YET JERKY YAW MOVEMENTS WITH RUDDER PEDALS MOVING SLIGHTLY WITH AUTOPILOT ON. REMOVED AND REPLACED #1 FLIGHT AUGMENTATION COMPUTER.

---
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.