Document ID: chunk:federal_register_of_legislation:F2006B03173:body:0:p2
Version: federal_register_of_legislation:F2006B03173
Segment Type: other
Provision Reference: 
Character Range: 2946–6214

functional tests of Requirement 2(c).

              Compliance with AD/B747/298 functional test of CDU cone break is terminating action for cone break tests in this Requirement.

Alternative Means of Compliance (AMOC):

              For aeroplanes on which the intent of Boeing SB 747-78- 2151 Revision 2, dated 13 January 2000, was accomplished during production, or retrofitted subsequently, and implementing the periodic checks of both the electro- mechanical brake/lock and Centre Drive Unit (CDU) cone brake as detailed in FAA Alternative Means of Compliance (AMOC) document, reference 99-140S- 295, dated 13 August 1999, is an alternative means of compliance to Requirement 2 of this Directive.

              3.         Rolls-Royce RB211-524G/H series engines:

                  1. Carry out inspections and functional tests of the thrust reverser control and indication systems in accordance with paragraphs III.D. to III.K. of the Accomplishment Instructions of Boeing Service Bulletin 747-78-2115, dated 28 October 1993; or paragraphs III.D. to III.L. of the Accomplishment Instructions of Boeing Alert Service Bulletin 747-78A2115 Revision 1, dated 4 March 1994.

b.        Repeat the inspections and functional tests of Requirement 3(a).

              Compliance with AD/B747/230 Amdt 1 is terminating action for all of Requirement 3.

              4.         If any of the inspections and/or functional tests required by this Airworthiness Directive cannot be successfully carried out, or if any discrepancy is found during those inspections and/or functional tests, correct the discrepancy found in accordance with:

                  1. For Pratt & Whitney PW4000 series engines: Boeing Service Bulletin (SB) 747-78-2112, dated 11 November 1993, or Boeing Alert SB 747-78A2112 Revision 1, dated 7 March 1994.

b.        For General Electric CF6-80C2 series engines: Boeing Service Bulletin 747- 78-2113, dated 11 November 1993, or Boeing Alert Service Bulletin 747- 78A2113 Revision 1, dated 10 March 1994.

c.         For Rolls-Royce RB211-524G/H series engines: Boeing Service Bulletin 747-78-2115, dated 28 October 1993, or Boeing Alert Service Bulletin 747- 78A2115 Revision 1, dated 4 March 1994.

              5.         If unable to comply with the requirements of Requirement 4:

                  1. Operate the aeroplane in accordance with the conditions and limitations of the Minimum Equipment List (MEL), applicable to the registration mark of the aeroplane, provided the MEL only approves dispatch with:

                    (i)       no more than one thrust reverser on the aeroplane inoperative; and

                    (ii)     the thrust reverser is deactivated in accordance with approved maintenance data; AND

b.        If the aeroplane is operated in accordance with Requirement 5(a), repair the thrust reverser in accordance with the applicable Service Bulletins listed in Requirement 4; AND

c.         Repeat the inspections and tests after repair under Requirement 5(b) that were not carried out under Requirement 4; AND

d.        Carry out Requirement 4 if any inspection or test carried out under Requirement 5(c) was unsuccessful.

            Note 2: FAA AD 94-15-05 and FAA Alternative Means of Compliance (AMOC)