Commonwealth legislation

AD/PA-28/4 Amdt 5 - Control Wheel - Inspection

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

3/10 complexity

What it does: Requires owners/operators of Piper PA-28 aeroplanes fitted with the specific plastic control wheels (per Piper SL No. 527D) to inspect the wheel hub for cracks, remove the medallion to inspect, and replace any cracked wheel before further flight. Its stated purpose is to detect hub cracks that could lead to failure.

Who pays and effects: Owners/operators bear the inspection time, simple equipment needs (light and 3× magnifier), replacement costs and associated downtime; inspections repeat at fixed flight‑hour intervals.

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-28/4 Amdt 5 - Control Wheel - Inspection.

AD/PA-28/4 Amdt 5 - Control Wheel - Inspection

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-28 Series Aeroplanes

AD/PA-28/4

Amdt 5

Control Wheel - Inspection 11/78

Applicability: All models PA-28 fitted with plastic control wheels as shown in Piper SL No. 527D. Requirement: Inspection:

Remove the Piper medallion from the face of the control wheel (if applicable). Inspect the control wheel hub for cracks, which may propagate from the edge or bore of the retaining pin hole, using the method detailed below. If cracks are found the control wheel shall be replaced before further flight.

Inspection Method:

Clean the hub with an ordinary detergent and water.

Note: Do not use solvents as these may contain detrimental substances such as acetone.

2. Using an inspection light and at least a 3X magnifying glass, inspect the surface area covered by a band of at least 1/2" width from the top to the bottom of the pin on the front and rear faces of the hub and a similar band across the lower face of the hub.

Note 1: Cracks will show up as black lines under the inspection light. If a line is only a scratch the bottom of the scratch will be visible.

Note 2: The control wheel medallion may be refitted with a regular contact cement - DO NOT use an acetate type adhesive or any other type of plastic cement.

Compliance: Unless already accomplished, within 25 hours time in service after 3 October 1978 and thereafter at intervals not exceeding 100 hours time in service until replaced in accordance with Piper SL 527D.

Source text

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

1 AD/PA-28/4 Amdt 5 - Control Wheel - Inspection