AD 2025-16-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Various | Various | Airworthiness Directives; Various Airplanes |
Unsafe Condition
Manufacturing defect in screws used inside the Pacific Scientific Company rotary buckle assembly (part numbers 1111475 and 1111548-01) could result in cracking and missing screw heads when under load, potentially leading to buckle failure and failure to restrain the occupant.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect buckle screws for missing or loose screw heads. Depending on inspection results, replace buckle screws and reidentify buckle, or replace buckle entirely. If Torx head screws are found, replace them with hex head screws. Optionally, prohibit use of the seat until required actions are completed.
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Compliance Time
Within 12 months of the effective date (September 22, 2025).
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Affected Aircraft
All airplanes with Pacific Scientific Company rotary buckle assemblies (part numbers 1111475 and 1111548-01) installed, with a date of manufacture between January 2012 and April 2013, or with an unknown date of manufacture.
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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