COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 107 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Electrical Equipment
AD/ELECT/65 Marathon Power Technologies PC-250 Static Inverter
10/94
Applicability: Marathon Power Technologies PC-250 series static inverters, where installed to provide a source of emergency or standby electrical power.
Note: These inverters are known to be installed in, but not limited to, the following aircraft models:
Hawker 800 and BAe 125 Series 800 prior to Constructors Number 258248
DH/BH/HS/BAe 125 Series 1 to 700 post modification 252740
Requirement: Action in accordance with Marathon Power Technologies Service Bulletin 111692- 014 Revision 1 dated 15 March 1993.
Note: CAA(UK) AD 005-05-94 refers.
Compliance: Prior to 15 March 1995.
Background: The CAA(UK) has reported that PC-250 static inverters have failed because of moisture ingress. Compliance with this Directive will ensure that the inverters are protected from moisture ingress.