AD 64-10-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| 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.
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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.
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Compliance Time
within 50 hours' time in service after the effective date of this AD
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Affected Aircraft
Piper Aircraft Inc. Model PA-24-250 Aircraft
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Federal Register Abstract
Carburetor Air Box Deflector Vanes
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_64-10-04.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 64-10-04 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Piper Model PA-24-250 Aircraft Subject: Carburetor Air Box Deflector Vanes Status: Current Citation: Federal Register: May 12, 1964 Citation Publish Date: 05/12/1964 Effective Date: 05/12/1964 Make: Piper Aircraft Inc. Model: PA-24-250 Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: AIR-700: Compliance & Airworthiness Division Office of Primary Responsibility: AIR-720: Operational Safety Branch CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 64-10-04 CITATION: [Federal Register: May 12, 1964] PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 64-10-04 SUBJECT HEADING: Airworthiness Directives; Piper Model PA-24-250 Aircraft ACTION: SUMMARY: DATES: Effective May 12, 1964. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 64-10-04 PIPER: Amdt. 728 Part 507 Federal Register May 12, 1964. Applies to Model PA-24-250 Aircraft, Compliance required within 50 hours' time in service after the effective date of this AD. In order to prevent portions of the carburetor air box deflector vanes from breaking loose and lodging within the carburetor throat, remove the deflector vanes from the air box, P/N 21943- 03, in accordance with Piper Service Letter No. 420. Upon removal of these vanes, the air box P/N becomes 21943-05. (Piper Service Letter No. 420 dated March 5, 1964, covers this subject.) This directive effective May 12, 1964. FOOTER:
Document Text
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AD Final Rules - DRS_64-10-04.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 64-10-04 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Piper Model PA-24-250 Aircraft Subject: Carburetor Air Box Deflector Vanes Status: Current Citation: Federal Register: May 12, 1964 Citation Publish Date: 05/12/1964 Effective Date: 05/12/1964 Make: Piper Aircraft Inc. Model: PA-24-250 Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: AIR-700: Compliance & Airworthiness Division Office of Primary Responsibility: AIR-720: Operational Safety Branch CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 64-10-04 CITATION: [Federal Register: May 12, 1964] PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 64-10-04 SUBJECT HEADING: Airworthiness Directives; Piper Model PA-24-250 Aircraft ACTION: SUMMARY: DATES: Effective May 12, 1964. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 64-10-04 PIPER: Amdt. 728 Part 507 Federal Register May 12, 1964. Applies to Model PA-24-250 Aircraft, Compliance required within 50 hours' time in service after the effective date of this AD. In order to prevent portions of the carburetor air box deflector vanes from breaking loose and lodging within the carburetor throat, remove the deflector vanes from the air box, P/N 21943- 03, in accordance with Piper Service Letter No. 420. Upon removal of these vanes, the air box P/N becomes 21943-05. (Piper Service Letter No. 420 dated March 5, 1964, covers this subject.) This directive effective May 12, 1964. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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