AD 91-09-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 727-200 Series | Airworthiness Directives; BOEING Model 727-200 Series Airplanes |
Unsafe Condition
Rapid decompression of the airplane due to cracks and corrosion in the fuselage skin adjacent to stringer S28L and S28R from body station 700 to 720.
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Required Actions
Conduct an external detailed visual inspection for cracks and corrosion of the fuselage skin adjacent to stringers S28L and S28R from BS 700 to BS 720, repair any cracks or corrosion prior to further flight, and repeat inspections at intervals not exceeding 12 months unless modified by the specified service bulletin.
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Compliance Time
Within 15 days after November 20, 1989, or within 12 months after the initial inspection or 6 months after May 28, 1991, whichever occurs later, and thereafter every 12 months.
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Affected Aircraft
Boeing Model 727-200 series airplanes except line numbers 001 through 765.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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