COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Pilatus Britten-Norman BN-2 Series Aeroplanes
AD/BN-2/58 70 Amp DC Generation System 4/96 DM
All BN2 Series aircraft with either Modification NB/M/1148, “70 amp DC Generation System”, incorporated or Modification NB/M/1571, “Introduction of Increased Rated Diode - 70 amp DC Generation System” not incorporated.
Replace diodes on STBD and PORT GEN Switches in accordance with Pilatus Britten-Norman Mandatory Service Bulletin BN 2-228 Issue 1.
Compliance with this Service Bulletin is classified Mandatory by the UK CAA.
Within 50 hours time in service after 14 February 1996.
Incorporation of this Directive will increase the circuit reliability of the 70 amp DC Generation System.