AD 49-03-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Sky Enterprises, Inc. | RC-3 | Airworthiness Directives; Republic Model RC-3 Aircraft |
Unsafe Condition
Failure of the diaphragms in the AC fuel pumps on Franklin Model 6A8-215-B8F and -B9F engines, which could allow fuel to enter the engine compartment.
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Required Actions
Replace the fuel pumps with new fuel pumps, AMI P/N 15438 and 15439, and install drain lines using Aircooled Motors, Inc. Kit P/N 15464.
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Compliance Time
December 1, 1949
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Affected Aircraft
Republic Model RC-3 Aircraft with Franklin Model 6A8-215-B8F and -B9F engines.
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Federal Register Abstract
AC Fuel Pump
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_49-03-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 49-03-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Republic Model RC-3 Aircraft Subject: AC Fuel Pump Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Sky Enterprises, Inc. Model: RC-3 Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 49-03-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 49-03-01 SUBJECT HEADING: Airworthiness Directives; Republic Model RC-3 Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 49-03-01 REPUBLIC: Applies to Model RC-3 Aircraft. Compliance required by December 1, 1949. To prevent possible failure of the diaphragms in the two AC fuel pumps on Franklin Model 6A8-215-B8F and -B9F engines and to provide a drain line to carry fuel away from the engine compartment in case of a diaphragm failure replace the fuel pumps with new fuel pumps, AMI P/N 15438 and 15439, and install drain lines. Aircooled Motors, Inc., Kit P/N 15464 contains parts and instructions for making these replacements. (Franklin Service Bulletin No. 71 covers this same subject.) This supersedes AD 48-26-02. FOOTER:
Document Text
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AD Final Rules - DRS_49-03-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 49-03-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Republic Model RC-3 Aircraft Subject: AC Fuel Pump Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Sky Enterprises, Inc. Model: RC-3 Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 49-03-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 49-03-01 SUBJECT HEADING: Airworthiness Directives; Republic Model RC-3 Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 49-03-01 REPUBLIC: Applies to Model RC-3 Aircraft. Compliance required by December 1, 1949. To prevent possible failure of the diaphragms in the two AC fuel pumps on Franklin Model 6A8-215-B8F and -B9F engines and to provide a drain line to carry fuel away from the engine compartment in case of a diaphragm failure replace the fuel pumps with new fuel pumps, AMI P/N 15438 and 15439, and install drain lines. Aircooled Motors, Inc., Kit P/N 15464 contains parts and instructions for making these replacements. (Franklin Service Bulletin No. 71 covers this same subject.) This supersedes AD 48-26-02. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.
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