AD 52-04-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Martin-Marietta Corporation | 202 | Martin Models 202 Aircraft |
Unsafe Condition
The throttling valve vent in the cabin heater fuel supply line lacks adequate drain, which could lead to fuel leakage and potential fire hazard.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Provide adequate drain for the throttling valve vent in the cabin heater fuel supply line.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
not later than May 1, 1952
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
All Martin-Marietta Corporation Model 202 Aircraft.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Fuel Line Vent
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_52-04-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 52-04-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Martin Models 202 Aircraft Subject: Fuel Line Vent Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Martin-Marietta Corporation Model: 202 Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 52-04-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 52-04-01 SUBJECT HEADING: Martin Models 202 Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 52-04-01: MARTIN: Applies to All Models 202 Aircraft. Compliance required not later than May 1, 1952. Provide adequate drain for throttling valve vent in the cabin heater fuel supply line. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_52-04-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 52-04-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Martin Models 202 Aircraft Subject: Fuel Line Vent Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Martin-Marietta Corporation Model: 202 Product Type: Aircraft Product Subtype: Large 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: 52-04-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 52-04-01 SUBJECT HEADING: Martin Models 202 Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 52-04-01: MARTIN: Applies to All Models 202 Aircraft. Compliance required not later than May 1, 1952. Provide adequate drain for throttling valve vent in the cabin heater fuel supply line. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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