Document ID: chunk:federal_register_of_legislation:F2007L04231:body:0:p2
Version: federal_register_of_legislation:F2007L04231
Segment Type: other
Provision Reference: 
Character Range: 2807–6821

the service bulletin, additional work is required in the forward cargo compartment, as specified in Parts 1, 2 and 3 of the service bulletin and required by this Directive.

                  b. ASB 747-30A2080, Revision 2, dated 14 September 2006, are acceptable for compliance with the corresponding requirements of this Directive.
             Later revisions of SB 747-30A2080, Revision 3, approved by the United States Federal Aviation Administration (FAA) as an Alternate Method of Compliance (AMOC) to FAA AD 2007-19-16, are considered acceptable for compliance with the equivalent Requirements of this Directive.
             Note 2:  FAA AD 2007-19-16 Amdt 39-15207 refers.
Compliance:  For Requirement 1 - Either within 18 months after the date of issue of the original Certificate of Airworthiness, or within 18 months after the date of the issue of the original Export Certificate of Airworthiness, or within 90 days after the effective date of this Directive, whichever occurs later, and thereafter at intervals not to exceed 600 hours time in service (TIS) until Requirement 4 is accomplished.
             For Requirement 2 - Either within 18 months after the date of issue of the original Certificate of Airworthiness, or within 18 months after the date of the issue of the original Export Certificate of Airworthiness, or within 90 days after the effective date of this Directive, whichever occurs later, and thereafter at intervals not to exceed 1,800 hours TIS until Requirement 4 is accomplished.
             For Requirement 3 - Before further flight after the Requirement 1 or 2 inspections, as applicable.
             For Requirement 4 - At the applicable time specified in Table 1.
             Table 1
             For aeroplanes on which the heater tape has:                                                                                                                                                                                                                                                                                                                                                                                 Replace the heater tape at the later of:
             (1) Not been replaced before the effective date of this Directive in accordance with Boeing ASB 747-30A2079, dated 12 December 2002; or Revision 1, dated 16 October 2003; or Revision 2, dated 16 December 2004                                                                                                                                                                                                             Within 42 months since the date of issue of the original Certificate of Airworthiness or the date of issue of the original Export Certificate of Airworthiness, whichever occurs first  24 months after the effective date of this Directive
             (2) Been replaced before the effective date of this Directive in accordance with ASB 747-30A2079; or Revision 1; or Revision 2                                                                                                                                                                                                                                                                                               Within 42 months after the heater tape was replaced                                                                                                                                     24 months after the effective date of this Directive.

             This Airworthiness Directive becomes effective on 22 November 2007.
Background:  This Directive supersedes AD/B747/310, which has been cancelled.  That Directive required a one-time inspection for discrepancies of the potable water and drain lines in the cargo compartments and, if necessary, the accomplishment of corrective action.
             This new Directive requires that the inspection be repetitively performed using new service information, until terminating action