Summary
We are adopting a new airworthiness directive (AD) for certain The Boeing Company Model 777-200, -200LR, -300, -300ER, and 777F series airplanes. This AD was prompted by reports of cracks found in the Web pockets of the wing center section (WCS) spanwise beams. This AD requires repetitive detailed inspections and high frequency eddy current inspections for cracks of the WCS spanwise beams, and repair if necessary. We are issuing this AD to detect and correct cracking in the WCS spanwise beams, which could result in reduced structural integrity of the wings.
Directive Details
AD Number
FAA-2011-0644
Document Number
2012-9398
Type
Rule
Publication Date
April 24, 2012
Effective Date
May 29, 2012
Affected Manufacturer
The Boeing Company
Criticality
important
Emergency
No
Docket ID
Docket No. FAA-2011-0644
Topics
Official Documents
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