AD Amdt-39-9504

final rule
Data completeness: 70%

Airworthiness Directives; Beech Model 400, 400A, and MU-300-10 Airplanes

AD Number
Amdt-39-9504
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 94-NM-162-AD
FR Citation
61 FR 5275

Applicability

TypeManufacturerModelDetails
aircraft Beech Model 400, 400A, and MU-300-10 Airworthiness Directives; Beech Model 400, 400A, and MU-300-10 Airplanes

Unsafe Condition

Incomplete latching of the existing adjustment mechanism and cracked reinforcement assemblies could result in sudden shifting of a flightcrew seat.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Install an improved adjustment mechanism on the flightcrew seats and replace existing aluminum seat reinforcement assemblies with steel assemblies.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Before further flight

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Affected Aircraft

Beech Model 400, 400A, and MU-300-10 airplanes

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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