# Airworthiness Directives; Israel Aircraft Industries (IAI), Ltd., Model 1121, 1121A, 1121B, 1123, 1124, and 1124A Series Airplanes
> **Rule** · Final rule; correction. · Published 1999-01-14 · 64 FR 2428
## Document
- **Document number:** 99-809
- **Category:** airworthiness
- **Manufacturer:** Israel
- **Type:** Rule
- **Action:** Final rule; correction.
- **Citation:** 64 FR 2428
- **Publication date:** 1999-01-14
- **FAA docket:** Docket No. 98-NM-108-AD
## Abstract

This document corrects a typographical error that appeared in airworthiness directive (AD) 98-20-35, that was published in the Federal Register on September 29, 1998 (63 FR 51803). The typographical error resulted in referencing a service bulletin that does not pertain to this AD. This AD is applicable to all IAI, Ltd., Model 1121, 1121A, 1121B, 1123, 1124, and 1124A series airplanes. This AD requires repetitive inspections of the trim actuator of the horizontal stabilizer to verify jackscrew integrity and to detect excessive wear of the tie rod, and replacement of the actuator or tie rod, if necessary. This AD also requires accomplishment of the previously optional terminating action.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/1999/01/14/99-809/airworthiness-directives-israel-aircraft-industries-iai-ltd-model-1121-1121a-1121b-1123-1124-and)
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