COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Boeing 747 Series Aeroplanes
AD/B747/33
Amdt 2
Wing Trailing Edge Flap Tracks 8/90
Model B747 line numbers 1 through 584 except B747SP.
Action in accordance with Boeing SB747-57A2225 Rev. 4.
FAA AD 83-21-02 refers.
As detailed in the Requirement Document.
Water accumulation in the track aft cavity has resulted in corrosion and consequent aft web cracking. Amendment 1 references the latest revision of the Requirement document, which adds terminating action. Amendment 2 clarifies aircraft affected.