COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES British Aerospace BAe 125 Series Aeroplanes AD/HS 125/94 Engine Fire Extinguisher Bottle 8/88 Applicability: All BAe 125 series 700 and 800 and all series retrofitted with Garrett TFE731-3 engines. Requirement: Inspect in accordance with BAe Service Bulletin No 26-28. Compliance: Prior to 31 May 1989. Background: The investigation by the manufacturer into the inadvertent ground firing of a HTL engine fire extinguisher bottle, revealed that the discharge outlet had separated from the fire extinguisher bottle assembly.