Commonwealth legislation

AD/CIRRUS/1 - Elevator Torque Tube and Rudder Hinge

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

2/10 complexity

Requires operators of Cirrus SR20 (serials 1134–1159) and SR22 (serials 0003–0119) to inspect the elevator torque tube and rudder hinge per the applicable Cirrus Service Bulletin and, if under‑strength rivets are found, replace them with MS20470AD4 rivets before further flight; MS20470A4 rivets are prohibited. CASA cites manufacturer reports of mixed production rivets that could lead to control‑surface failure. Owners/operators pay for inspection and any replacements; CASA enforces a 10‑hour time‑in‑service compliance window.

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Current sections

Direct links to the current provisions in AD/CIRRUS/1 - Elevator Torque Tube and Rudder Hinge.

AIRWORTHINESS DIRECTIVE

View image in the official source

View image in the official source
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 CAR 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 Series Aeroplanes

AD/CIRRUS/1 Elevator Torque Tube and Rud

AD/CIRRUS/1 Elevator Torque Tube and Rudder Hinge 2/2002

Applicability: Model SR20 with serial numbers 1134 through 1159. Model SR22 with serial numbers 0003 through 0119.

Requirement: Inspect in accordance with the Accomplishment Instructions section of Cirrus Design Service Bulletin SB 20-55-06 or SB 22-55-03, as applicable; issued 27 November 2001.

If an under strength rivet is found, before further flight, replace it with a new rivet, part number MS20470AD4, or FAA-approved equivalent part number.

Part number MS20470A4 rivets are not to be installed.

Note: FAA AD 2001-25-03 Amdt 39-12556 refers.

Compliance: Within 10 hours time in service after 21 February 2002, unless already accomplished.

This Airworthiness Directive becomes effective on 21 February 2002.

Background: The FAA received notification from the manufacturer that under strength rivets were mixed in production supplies. Under strength rivets, if installed, could result in failure of the control surface.

Signature of Steven John Swift Delegate of the Civil Aviation Safety Authority

Steven John Swift

Delegate of the Civil Aviation Safety Authority 11 January 2002

View image in the official source

Source text

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

AIRWORTHINESS DIRECTIVE AIRWORTHINESS DIRECTIVE

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 CAR 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 Series Aeroplanes

AD/CIRRUS/1 Elevator Torque Tube and Rud AD/CIRRUS/1 Elevator Torque Tube and Rudder Hinge 2/2002

AD/CIRRUS/1 Elevator Torque Tube and Rudder Hinge 2/2002

Applicability: Model SR20 with serial numbers 1134 through 1159. Model SR22 with serial numbers 0003 through 0119.

Requirement: Inspect in accordance with the Accomplishment Instructions section of Cirrus Design Service Bulletin SB 20-55-06 or SB 22-55-03, as applicable; issued 27 November 2001.

If an under strength rivet is found, before further flight, replace it with a new rivet, part number MS20470AD4, or FAA-approved equivalent part number.

Part number MS20470A4 rivets are not to be installed.

Note: FAA AD 2001-25-03 Amdt 39-12556 refers.

Compliance: Within 10 hours time in service after 21 February 2002, unless already accomplished.

This Airworthiness Directive becomes effective on 21 February 2002.

Steven John Swift

Delegate of the Civil Aviation Safety Authority 11 January 2002