Document ID: chunk:federal_register_of_legislation:F2006B03095:body:0:p3
Version: federal_register_of_legislation:F2006B03095
Segment Type: other
Provision Reference: 
Character Range: 5552–8627

the valve with a new valve in accordance with the requirements of the service bulletin, or

                      (ii)     Modify the valve body assembly of the fuel system in accordance with the service bulletin.

                 6.    Except as provided in paragraph 7. of this AD, perform a one-time general visual inspection to detect fuel leaks of the components between the fuel shutoff spar valve and the engine fuel shutoff valve on all four engines, in accordance with Boeing Service Bulletin 747-28A2199, Revision 2, dated July 8, 1999. If any leak is detected, replace the part with a serviceable part.

                 7.    For aeroplanes having maintenance records that positively demonstrate that the inboard engines have never been located in the outboard positions; perform a one- time general visual inspection to detect fuel leaks of the components between the fuel shutoff spar valve on the outboard engines only, in accordance with Boeing Service Bulletin 747-28A2199, Revision 2, dated July 8, 1999. If any leak is detected, replace the part with a serviceable part.

               Note 1: For the purposes of this AD, a general visual inspection is defined as : " A visual examination of an interior or exterior area, installation, or assembly to detect obvious damage, failure, or irregularity. This level of inspection is made under normally available lighting conditions such as daylight, hanger lighting, flashlight, or droplight, and may require removal or opening of access panels or doors. Stands, ladders, or platforms may be required to gain proximity to the area being checked."

               Note2: Accomplishment of the actions specified in AMM 71-00-00/501, Test No.2, " Fuel and Oil Leak Check, " for Rolls Royce RB211 series engines, and AMM 71-00- 00/501, Test No. 3 "Ground Test - Idle Leak Check (or Idle Power)", for General Electric CF6-80C and CF6-43/50 series engines, is acceptable for compliance with the actions specified by paragraphs 2 and 3 of this AD.

               Note3: FAA airworthiness directives AD 98-21-29 amendment 39-10837 and 2000- 14-06 amendment 39-11815 refer.

 Compliance: 1. Within 18 months of 28 January 1999 (unchanged).

                1. (b). Before further flight after accomplishment of Requirement 1.

2.    Before further flight after accomplishment of requirement 1(b).

3.    Before further flight after accomplishment of requirement 1(b).

4.    Within 18 months of the effective date of this amended Directive.

4.    (b). Before further flight after accomplishment of requirement 4.

5.    Within 18 months of the effective date of this amended Directive.

             5. (b). Before further flight after accomplishment of requirement 5.

               5.    (c). Before further flight after accomplishment of requirement 5.

6.    Before further flight after accomplishment of requirement 5.

            7.    Before further flight after accomplishment of requirement 5. This amendment becomes effective on 30 November 2000.
            Background: Reports indicate that, due to