AD 64-23-01

final rule
Data completeness: 60%

BOEING Model 707 and 720 Series Aircraft

AD Number
64-23-01
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft The Boeing Company 707-100 Long Body BOEING Model 707 and 720 Series Aircraft
aircraft The Boeing Company 707-100B Long Body BOEING Model 707 and 720 Series Aircraft
aircraft The Boeing Company 707-100B Short Body BOEING Model 707 and 720 Series Aircraft
aircraft The Boeing Company 707-200 BOEING Model 707 and 720 Series Aircraft
aircraft The Boeing Company 707-300 Series BOEING Model 707 and 720 Series Aircraft
aircraft The Boeing Company 707-300B Series BOEING Model 707 and 720 Series Aircraft
aircraft The Boeing Company 707-300C Series BOEING Model 707 and 720 Series Aircraft
aircraft The Boeing Company 707-400 Series BOEING Model 707 and 720 Series Aircraft
aircraft The Boeing Company 720 Series BOEING Model 707 and 720 Series Aircraft
aircraft The Boeing Company 720B Series BOEING Model 707 and 720 Series Aircraft

Unsafe Condition

Inadequate clearance between the rudder control link arm assembly (P/N 65-12703) and the lower pivot clevis, rudder spar web, or evidence of previous interference could lead to component failure or loss of rudder control.

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

Required Actions

Inspect the rudder control link arm assembly installation for clearance between the arm assembly and lower pivot clevis, rudder spar web, and evidence of prior interference. Rework existing parts per Boeing Alert Service Bulletins 2052/2052A or approved method if clearance is insufficient. Replace the lower arm assembly pivot bolt if prior interference is found.

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

Compliance Time

within the next 65 hours' time in service after the effective date of this AD

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

Affected Aircraft

Boeing Model 707 and 720 Series Aircraft

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

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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