# Airworthiness Directives; Airbus Airplanes
> **Rule** · Final rule. · Published 2012-11-09 · Effective 2012-12-14 · 77 FR 67256
## Document
- **Document number:** 2012-26963
- **Category:** airworthiness
- **Manufacturer:** Airbus
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 77 FR 67256
- **Publication date:** 2012-11-09
- **Effective date:** 2012-12-14
- **FAA docket:** Docket No. FAA-2011-0518
## Abstract

We are adopting a new airworthiness directive (AD) for all Airbus Model A300 B4-600, B4-600R, and F4-600R series airplanes, and Model A300 C4-605R Variant F airplanes (collectively called A300-600 series airplanes); and Model A310 series airplanes. This AD was prompted by events of excessive rudder pedal inputs and consequent high loads on the vertical stabilizer on several airplanes. This AD requires either incorporating a design change to the rudder control system and/ or other systems, or installing a stop rudder inputs warning (SRIW) modification. We are issuing this AD to prevent loads on the vertical stabilizer that exceed ultimate design loads, which could cause failure of the vertical stabilizer and consequent reduced controllability of the airplane.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2012/11/09/2012-26963/airworthiness-directives-airbus-airplanes)
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