AD 64-10-04

final rule
Data completeness: 70%

Airworthiness Directives; Piper Model PA-24-250 Aircraft

AD Number
64-10-04
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
Federal Register: May 12, 1964

Applicability

TypeManufacturerModelDetails
aircraft Piper Aircraft Inc. PA-24-250 Airworthiness Directives; Piper Model PA-24-250 Aircraft

Unsafe Condition

Portions of the carburetor air box deflector vanes may break loose and lodge within the carburetor throat.

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

Required Actions

Remove the deflector vanes from the air box (P/N 21943-03) in accordance with Piper Service Letter No. 420. Upon removal, the air box part number becomes 21943-05.

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

Compliance Time

within 50 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

Piper Aircraft Inc. Model PA-24-250 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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