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 125/125 APU Power Supplies 3/92 Applicability: As specified in the requirement document. Requirement: Action in accordance with BAe Service Bulletin 49-37-25A253A&B. Note: Action is accordance with this SB is classified mandatory by the UK CAA. Compliance: Prior to 30 March 1992. Background: The APU power supply connections are relocated to protect against damage from engine debris.