AD 2014-14-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
Fatigue cracking of the BS 2598 bulkhead structure, which could adversely affect the structural integrity of the bulkhead and the horizontal stabilizer support structure, and result in loss of controllability of the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Conduct repetitive inspections, including post-repair and post-modification inspections, for cracking in the bulkhead structure at BS 2598; perform certain one-time inspections of certain fasteners and support frame modifications on certain airplanes; take related investigative and corrective actions, if necessary; and install an interim modification to terminate certain repetitive inspections.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 18 months after the effective date of this AD for airplanes in Groups 4 and 5; compliance times for Groups 1, 2, and 3 remain unchanged.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
The Boeing Company Model 747 airplanes, specifically those affected by the referenced ADs and service bulletins.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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