Document ID: chunk:federal_register_of_legislation:F2006B03107:body:0
Version: federal_register_of_legislation:F2006B03107
Segment Type: other
Provision Reference: 
Character Range: 0–951

COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
 SCHEDULE OF AIRWORTHINESS DIRECTIVES

 Boeing 747 Series Aeroplanes

AD/B747/208 Wing Front Spar Web at Inboard Engine Struts 8/99

            Applicability: Model 747-100, 747-200, and 747-SP series aircraft; as listed in Boeing Service Bulletin 747-57A2303 Revision 1.

            Requirement: Action in accordance with the technical requirements of FAA AD 99-10-09 Amdt 39- 11162.

            Compliance: As specified in the Requirement Document for the initial and repetitive inspection requirements with a revised effective date of 12 August 1999.

            This Airworthiness Directive becomes effective on 12 August 1999.

            Background: The FAA received reports of fatigue cracks on the aft surface of the wing front spar web. Such fatigue cracking could result in a fuel leak, and consequent increased risk of fire.