# Airworthiness Directives; Pilatus Aircraft Ltd. Model PC-6 Airplanes
> **Rule** · Final rule. · Published 2002-10-21 · Effective 2002-12-06 · 67 FR 64520
## Document
- **Document number:** 02-26589
- **Category:** airworthiness
- **Manufacturer:** Pilatus
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 67 FR 64520
- **Publication date:** 2002-10-21
- **Effective date:** 2002-12-06
- **FAA docket:** Docket No. 2002-CE-08-AD
## Abstract

This amendment adopts a new airworthiness directive (AD) that applies to certain Pilatus Aircraft Ltd. (Pilatus) Model PC-6 airplanes. This AD requires you to inspect the aileron assembly for correct configuration and modify as necessary. This AD is the result of mandatory continuing airworthiness information (MCAI) issued by the airworthiness authority for Switzerland. The actions specified by this AD are intended to correct improper aileron assembly configuration, which could result in failure of the aileron mass balance weight. Such failure could lead to loss of control of the airplane.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2002/10/21/02-26589/airworthiness-directives-pilatus-aircraft-ltd-model-pc-6-airplanes)
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