AD/Cirrus/5 Fuel Line Chafing Damage (Cth)

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 39.001(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.

Cirrus Design SR20 and SR22 Series Aeroplanes

AD/CIRRUS/5 Fuel Line Chafing Damage 6/2006 DM

Applicability:

Model SR20 and SR22 aeroplanes with serial numbers as follows:

Model

SR20
SR22

Serial Numbers

1005 through 1581 inclusive
0002 through 1643 and 1645 through 1662

Requirement:

1. Inspect the fuel line and wire harness for any chafing damage in accordance with Cirrus Design Corporation Service Bulletin SB 2X-28-04 R1, Issued:
1 November 2005, Revised: 14 November 2005.

2. If, as a result of the Requirement 1 inspection, any chafing damage is found carry out the following in accordance with SB 2X-28-04 R1:

a.     Replace any damaged fuel line; and

b.    Repair any damaged wires or sheathing of the wire harness.

3. Install the following in accordance with SB 2X-28-04 R1:

a.     Forward loop clamp,

b.    Fuel line shield,

c.     Aft loop clamp, and

d.    Anti-chafe tubing.

Later revisions of the above SB, approved by the United States Federal Aviation Administration (FAA) as an Alternate Method of Compliance (AMOC) to FAA AD 2006-07-06, are considered acceptable for compliance with the equivalent Requirements of this Directive.

Note:  FAA AD 2006-07-06 Amdt 39-14533 refers.

Compliance:

For Requirement 1 - Within the next 50 hours time-in-service (TIS) after the effective date of this Directive.

For Requirement 2 - Before further flight after the Requirement 1 inspection.
For Requirement 3 - Within the next 50 hours TIS after the effective date of this Directive.
This Airworthiness Directive becomes effective on 11 May 2006.
Background:	The United States Federal Aviation Administration (FAA) has received reports of fuel line leaks resulting from wire chafing on the fuel lines.  This failure could lead to unsafe fuel vapour within the cockpit and possible fire.  The actions specified in this Directive are intended to detect, correct and prevent damage to the fuel line and wire bundles, which could result in fuel leaks.

James Coyne
Delegate of the Civil Aviation Safety Authority

20 April 2006