Document ID: chunk:federal_register_of_legislation:F2011L00236:body:0:p1
Version: federal_register_of_legislation:F2011L00236
Segment Type: other
Provision Reference: 
Character Range: 0–3509

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/CF6/70 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/CF6/70 Amdt 1  Low Pressure Turbine Case  3/2011

Applicability:  General Electric Company (GE) CF6-80C2 and CF6-80E1 engines specified in the following Table 1 of this AD.

                Note 1:  These engines are installed on, but not limited to, Airbus A300, A310, and A330 series aeroplanes, Boeing 747 and 767 series airplanes, and McDonnell Douglas MD11 series aeroplanes.

                Table 1 - Applicable Engines by Engine Model
                Engine Model                     With Low-Pressure Turbine (LPT)
                                                 Case Part No. (P/N) Installed
                 CF6-80C2A1, -80C2A2, -80C2A3,   1336M99G01, 1336M99G02, 1336M99G03, 1336M99G04, 1336M99G06, 1336M99G07, 1336M99G08, 1336M99G09, 1336M99G10, 1336M99G12, 1336M99G13, or 1336M99G15
                 -80C2A5, -80C2A5F, -80C2A8,
                 -80C2B1, -80C2B1F, -80C2B1F1,   1647M68G05, 1647M68G08, 1647M68G09, or 1647M68G15
                 -80C2B1F2, -80C2B2, -80C2B2F,
                 -80C2B3F, -80C2B4, -80C2B4F,    1713M73G01, 1713M73G02, or 1713M73G05
                 -80C2B5F, -80C2B6, -80C2B6F,
                 -80C2B6FA, -80C2B7F,            9367M99G11or 9367M99G17
                 -80C2B8F, -80C2D1F, and
                 -80C2L1F
                 CF6-80E1A1, -80E1A2, -80E1A3,   1647M68G02, 1647M68G04, 1647M68G07, 1647M68G12, or 1647M68G13
                 -80E1A4, -80E1A4/B

Requirement:       1. CF6-80C2 Engines:

                   For CF6-80C2 engines specified in Table 1 of this AD that have an LPT case with a P/N specified in Table 1 of this AD, do either of the following:

                     (a) Rework the LPT case to install skin doubler pads and deflectors.  Use the Accomplishment Instructions of GE Service Bulletin (SB) No. CF6-80C2 S/B 72-1171, Revision 1, dated 1 February 2006, and Repair Document (RD) No. 935-314-S4, dated 28 January 2008, to rework the LPT case; or

                     (b) Install an LPT case that has skin doubler pads and deflectors.

                2. CF6-80E1 Engines:

                For CF6-80E1 engines specified in Table 1 of this AD that have an LPT case with a P/N specified in Table 1 of this AD, do either of the following:

                  (a) Rework the LPT case to install skin doubler pads and deflectors.  Use the Accomplishment Instructions of SB No. CF6-80E1 S/B 72-0303, Revision 1, dated 1 February 1, 2006, and RD No. 935-314-S4, dated January 28, 2008, to rework the LPT case; or

                  (b) Install an LPT case that has skin doubler pads and deflectors.

             Previous Credit

             If you previously performed the actions specified in Requirement 1 through Requirement 2 of