Commonwealth legislation

AD/UNIVAIR/3 - Fuel Line Nipple

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

3/10 complexity

Requires owners/operators of specified Univair (ERCO Model 415 series) and Forney (F-1/F-1A) aeroplanes that have a gascolator mounted on the side of the carburettor to inspect the fuel line nipple and elbow for cracks or misalignment, replace faulty or aluminium fittings with brass or steel, and fit specified double-support tubes before side-mounting a gascolator. CASA issues the AD; owners/operators pay for inspections, parts and installation and must follow Univair Service Bulletin No. 24B for compliance.

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/UNIVAIR/3 - Fuel Line Nipple.

AIRWORTHINESS DIRECTIVE

View image in the official source

AIRWORTHINESS DIRECTIVE

For the reasons set out in the background section, the CASA delegate whose signature appears below issues the following Airworthiness Directive (AD) under subregulation 39.1 (1) of CASR 1998. The AD requires that the action set out in the requirement section (being action that the delegate considers necessary to correct the unsafe condition) be taken in relation to the aircraft or aeronautical product mentioned in the applicability section: (a) in the circumstances mentioned in the requirement section; and (b) in accordance with the instructions set out in the requirement section; and (c) at the time mentioned in the compliance section.

View image in the official source

Univair Corporation Ercoupe, Forney, Alon, and Mooney M10 Series Aeroplanes

AD/UNIVAIR/3 Fuel Line Nipple 7/2003

Applicability: All ERCO Model 415-C, 415-CD, 415D, 415-E and 415-G aeroplanes and all Forney Model F-1 and F-1A aeroplanes that have a gascolator connected to the side of the carburettor.

Note 1: This Directive does not affect those aeroplanes with a gascolator mounted on the firewall.

Requirement: 1. Inspect the fuel line nipple and elbow located between the carburetor and gascolator for cracks or misalignment.

2. Replace any faulty components and/or fittings detected during Requirement 1 of this Directive, in accordance with Univair Service Bulletin (S/B) No. 24B.
3. Replace any aluminum fuel line nipple with one made of brass or steel in accordance with Univair S/B No. 24B.

4. Replace any aluminum fuel line elbow fitting with one made of brass or steel in accordance with Univair S/B No. 24B.

5. Inspect for the existence of double support tubes on the gascolator and install these tubes if they do not exist, in accordance with Univair S/B No. 24B as follows:

For all affected aeroplanes except for (Forney) F–1 and (Forney) F–1A aeroplanes, install part numbers 48076 and 48096 (or FAA-approved equivalent part numbers) double support tubes; and
For all affected (Forney) F–1 and (Forney) F1–A aeroplanes, install part numbers 48098 and 48099 (or FAA-approved equivalent part numbers) double support tubes.

Do not install on any affected aeroplane an aluminium fuel line nipple or aluminium elbow.
Do not install a gascolator on the side of the carburettor on any affected aeroplane, unless the double support tubes specified in Requirement 4a or 4b of this Directive are installed.

Source text

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

AIRWORTHINESS DIRECTIVE AIRWORTHINESS DIRECTIVE

AIRWORTHINESS DIRECTIVE

Univair Corporation Ercoupe, Forney, Alon, and Mooney M10 Series Aeroplanes