AD Amdt-39-11441

final rule
Data completeness: 70%

Airworthiness Directives; Boeing Model 747 Series Airplanes

AD Number
Amdt-39-11441
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 99-NM-46-AD
FR Citation
64 FR 66752

Applicability

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

Unsafe Condition

Deterioration of cable guards in the lateral control system, which could result in a jam of the lateral control system and consequent reduced lateral controllability of the airplane.

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Required Actions

Remove existing cable guards in the lateral control system and replace with new, improved cable guards in accordance with Boeing Alert Service Bulletin 747-27A2364. Ensure no person installs a cable guard with part numbers and dash numbers listed in Table 1 of the AD.

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Compliance Time

Within 2 years after the effective date of this AD.

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Affected Aircraft

Boeing Model 747 series airplanes, as listed in Boeing Alert Service Bulletin 747-27A2364, dated September 3, 1998, certificated in any category.

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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