AIRWORTHINESS DIRECTIVE For the reasons set out in the background section, the CASA delegate whose signature appears below revokes Airworthiness Directive (AD) AD/BAL/22 and issues the following 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. Hot Air Balloons AD/BAL/22 Amdt 1 Fuel Flow Reducer - Installation 4/2003 Applicability: 1. Schroeder fire balloons VA 50 and VA 70 gas cylinders equipped with "LORCH" brand pressure reducer for pilot flame and manufactured prior to July 2001; and 2. "WORTHINGTON" gas cylinders equipped with "LORCH" brand pressure reducer for pilot flame and manufactured prior to July 2001. Requirement: 1. Visually inspect the connection between valve of the gas container and pressure reducer for damages, cracks or corrosion with particular attention to the pressure reducer fittings. Ensure that the fittings are tight and check for gas leaks with leak indicating spray or equivalent. 2. Carry out modification per Theo Schroeder Technical Note No. 8025-34. Note: LBA AD 2001-229 refers. Compliance: Requirement 1. Prior to every flight after the effective date of this directive until the gas cylinder is modified in accordance with Requirement 2 of this directive. Requirement 2. Not later than 30 August 2003. This Amendment becomes effective on 17 April 2003. Background: Improper handling of the propane cylinder can cause breakage of the pipe to the pressure reducer of the pilot flame. This directive mandates the installation of a flow reducer to limit the flow of propane in the event of pipe breakage. Hot Air Balloons AD/BAL/22 Amdt 1 (continued) Amendment 1 introduces only editorial changes. The original issue of this Airworthiness Directive became effective on 20 February 2003. James Coyne Delegate of the Civil Aviation Safety Authority 4 March 2003 The above AD is notified in the Commonwealth of Australia Gazette on 26 March 2003.