Wed, Mar 19, 2008
AD NUMBER: 2008-06-23
MANUFACTURER: McDonnell Douglas
SUBJECT: Airworthiness Directive 2008-06-23
SUMMARY: The FAA is superseding an existing
airworthiness directive (AD) that applies to certain McDonnell
Douglas Model DC-8-55, DC-8F-54, and DC-8F-55 airplanes; and Model
DC-8-60, DC-8-70, DC-8-60F, and DC-8-70F series airplanes.
The existing AD currently requires a one-time inspection for
previous repairs of the aft fuselage skin panel at the longeron 28
skin splice, repetitiveinspections for cracks of the same area, and
related investigative and corrective actions.
The existing AD also provides optional actions for extending the
repetitive inspection intervals.
This new AD re-defines and more clearly describes the optional
actions for extending the repetitive inspection intervals. This AD
results from our determination that the inspections and actions
described in the existing AD do not adequately address the unsafe
We are issuing this AD to detect and correct cracks in the aft
fuselage skin at the longeron 28 skin splice, which couldlead to
loss of structural integrity of the aft fuselage, resulting in
rapid decompression of the airplane.
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