Commonwealth legislation

AD/PA-44/14 - Nose Gear Drag Link

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

2/10 complexity

This AD requires fitting Piper Modification Kit No. 764-378 to replace the AN4-20 bolt and related hardware in the nose-gear drag link with a close-tolerance bolt and bearings (Requirement). It applies to listed PA‑44 Seminole serial numbers and must be done within 100 hours time-in-service after 15 September 1994 (Compliance). The measure responds to reports of nosegear collapse caused by bolt failure (Background). Aircraft owners/operators pay for parts and labour and must install the kit following the kit procedures.

JSON API

Deep dive

Want the full deep dive?

Zoe can write the in-depth analysis on top of the summary above: how it works, who it affects and what each part actually does.

Current sections

Direct links to the current provisions in AD/PA-44/14 - Nose Gear Drag Link.

AD/PA-44/14 - Nose Gear Drag Link

COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

View image in the official source
Piper PA-44 (Seminole) Series Aeroplanes

AD/PA-44/14 Nose Gear Drag Link 10/94

Applicability: Model Serial Numbers

PA44-180 44-7995001 through 44-8195026

PA44-180T 44-8107001 through 44-8207005

Requirement: Incorporate Nose Landing Gear Modification Kit, Piper Part No. 764-378.

Accomplish this action in accordance with the procedures and sketches included with the instructions to the above referenced kit.

Note 1: The modification kit referenced above consists of a close tolerance bolt (NAS464P4-27), four bearings, and other associated hardware for installation on the drag link assembly. This NAS464P4-27 bolt replaces the AN4-20 bolt used to connect the upper and lower drag links.

Note 2: FAA AD 94-14-14 Amdt 39-8962 and Piper Service Letter 988 refer.

Compliance: Within 100 hours time in service after 15 September 1994.

Background: The FAA received reports of collapsed nosegear on the affected aircraft. In particular, these reports reveal failure of the bolt (AN4-20) connecting the lower drag link of the nosegear to the upper drag link.

Source text

Sourced from the Federal Register of Legislation (legislation.gov.au), CC BY 4.0.

1 AD/PA-44/14 - Nose Gear Drag Link