AD Amdt-39-9496

final rule
Data completeness: 70%

Airworthiness Directives; Boeing Model 747 Series Airplanes

AD Number
Amdt-39-9496
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. 95-NM-276-AD
FR Citation
61 FR 3550

Applicability

TypeManufacturerModelDetails
aircraft Boeing 747 Airworthiness Directives; Boeing Model 747 Series Airplanes

Unsafe Condition

Migration of the tangential link upper bolt from the aft engine mount, reducing the capability of the engine retention system.

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

Required Actions

Inspect the lower engine mount for proper orientation of the tangential link upper bolt and nut, verify torque within specified limits. Replace bolt and nut with serviceable parts if necessary. Perform follow-on actions if the upper bolt is missing.

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

Compliance Time

Before further flight

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

Affected Aircraft

Boeing Model 747 series airplanes as specified by the AD

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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