AD/CF6/58 Amdt 1 - Electronic Control Unit Software (Cth)

AIRWORTHINESS DIRECTIVE On the effective date specified below, and for the reasons set out in the background section, the CASA delegate whose signature appears below revokes Airworthiness Directive (AD) AD/CF6/58 and issues the following AD under subregulation 39.001(1) of CASR 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.

General Electric Turbine Engines - CF6 Series AD/CF6/58 Amdt 1 Electronic Control Unit Software 11/2007

Applicability: CF6-80E1A1, CF6-80E1A2, CF6-80E1A3, CF6-80E1A4 and CF6-80E1A4/B turbofan engines. Note 1: These engines are known to be installed on, but not limited to, Airbus A330 series aeroplanes. Requirement: 1. Unless already accomplished, remove the following software versions from the engine electrical control unit (ECU): Table 1 Software Version ECU Part Number E.1.D 1799M99P01 E.1.F 1799M99P03 E.1.G 1799M99P04 E.1.H 1799M99P05 E.1.I 1799M99P06, 1799M99P07, 1851M74P01, 1851M80P01 E.1.J 1799M99P08, 1799M99P09, 1851M74P02, 1851M80P02 E.1.K 1799M99P10, 1851M74P03, 1851M80P03, 1960M84P01 E.1.L 1799M99P11, 1851M74P04, 1851M80P04, 1960M84P02 E.1.M 1799M99P12, 1851M74P05, 1851M80P05, 1960M84P03 E.1.N 1799M99P13, 1851M74P06, 1851M80P06, 1960M84P04, 2043M29P01, 2043M29P02 2. Until 31 January 2008, once an ECU containing a software version not listed in Table 1 is installed on an engine, that ECU can be replaced with an ECU containing a previous version of software listed in Table 1. 3. Once the software version listed in Table 1 has been removed and new FAA-approved software version is installed in an ECU, reverting to those older software versions in that ECU is prohibited. 4. Use of an ECU with a software version listed in Table 1 is prohibited.