Summary
We are adopting a new airworthiness directive (AD) for the products listed above. This AD requires repetitive inspections for cracking of the left and right upper center skin panels of the horizontal stabilizer, and corrective action if necessary. This AD was prompted by a report of a crack found in the upper center skin panel at the aft inboard corner of a right horizontal stabilizer. We are issuing this AD to detect and correct cracks in the horizontal stabilizer upper center skin panel. Uncorrected cracks might ultimately lead to the loss of overall structural integrity of the horizontal stabilizer.
Directive Details
AD Number
FAA-2010-1203
Document Number
2011-15990
Type
Rule
Publication Date
July 6, 2011
Effective Date
August 10, 2011
Affected Manufacturer
The Boeing Company Model DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83), DC-9-87 (MD-87), and MD-88
Criticality
routine
Emergency
No
Docket ID
Docket No. FAA-2010-1203
Topics
Official Documents
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