AD 2011-12-01
Unsafe Condition
Seats and seating systems may not meet certain flammability, static strength, and dynamic strength criteria. Failure to meet static and dynamic strength criteria could result in injuries during emergency landing conditions, and failure to meet flammability criteria could result in an accelerated fire.
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Required Actions
Determine if affected seats and seating systems and their components are compliant with certain FAA regulations. Remove those seats, seating systems, and their components that are shown to be unsafe from the affected fleet.
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Compliance Time
Before further flight
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Affected Aircraft
Seats and seating systems approved under Technical Standard Order (TSO) TSO-C39b, TSO-C39c, or TSO-C127a, manufactured by Koito Industries, Ltd.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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