AD 50-48-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Martin-Marietta Corporation | 202 | Martin Models 202 and 202A Aircraft |
| aircraft | Martin-Marietta Corporation | 202A | Martin Models 202 and 202A Aircraft |
Unsafe Condition
Nose gear centering cam failures which result in the inability to extend the nose landing gear.
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Required Actions
Cut off the locking ears of the upper centering cam (P/N 202SD81541) and fair in this cut area to the cam contour.
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Compliance Time
not later than February 1, 1951
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Affected Aircraft
Martin Models 202 and 202A Aircraft Except Serial Numbers 14081 and 14082.
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Federal Register Abstract
Nose Gear Cam
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_50-48-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 50-48-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Martin Models 202 and 202A Aircraft Subject: Nose Gear Cam Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Martin-Marietta Corporation Model: 202 | 202A Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 50-48-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 50-48-01 SUBJECT HEADING: Martin Models 202 and 202A Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 50-48-01 MARTIN: Applies to All Models 202 and 202A Aircraft Except Serial Numbers 14081 and 14082. Compliance required not later than February 1, 1951. To reduce the possibility of nose gear centering cam failures which result in the inability to extend the nose landing gear, cut off the locking ears of the upper centering cam (P/N 202SD81541) and fair in this cut area to the cam contour. (Martin 202/202A Service Bulletin No. 115 covers this same subject.) FOOTER:
Document Text
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AD Final Rules - DRS_50-48-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 50-48-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Martin Models 202 and 202A Aircraft Subject: Nose Gear Cam Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Martin-Marietta Corporation Model: 202 | 202A 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: 50-48-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 50-48-01 SUBJECT HEADING: Martin Models 202 and 202A Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 50-48-01 MARTIN: Applies to All Models 202 and 202A Aircraft Except Serial Numbers 14081 and 14082. Compliance required not later than February 1, 1951. To reduce the possibility of nose gear centering cam failures which result in the inability to extend the nose landing gear, cut off the locking ears of the upper centering cam (P/N 202SD81541) and fair in this cut area to the cam contour. (Martin 202/202A Service Bulletin No. 115 covers this same subject.) 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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