AD 2014-22-11
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; the Boeing Company Airplanes |
Unsafe Condition
Tension ties may become severed or disconnected from the frames, leading to reduced structural integrity and sudden decompression of the airplane in flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect tension ties and surrounding structure for cracking, and perform related investigative and corrective actions if necessary. Modify tension tie and frame structures at specified stations. Conduct post-modification inspections of modified and unmodified areas, and repair if necessary. Add inspections in unmodified center section tension ties, and repair if necessary. Perform surface high-frequency eddy current inspections for cracking in unmodified center section tension ties, and repair if necessary.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 50 flight hours after the effective date of this AD.
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Affected Aircraft
The Boeing Company Model 747-100, 747-100B, 747-200B, 747-200C, 747-200F, 747-400F, 747SR, and 747SP series airplanes, without a stretched upper deck or stretched upper deck modification.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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