AD 47-10-38
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Lockheed Aircraft Corporation | 49-46 | LOCKHEED Model 49 |
Unsafe Condition
Cracks in the fillet region of the main landing gear drag link crosshead assembly shank end.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the shank end of each main landing gear drag link crosshead assembly at intervals not exceeding 500 hours. If cracks are found, install new type crosshead assembly LAC P/N 288982 and replace drag links 283418 with 288983 if necessary.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
at periods not to exceed 500 hours
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Affected Aircraft
Lockheed Aircraft Corporation Model 49 serial numbers up to and including 2059.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Landing Gear Drag Link Cross-Head
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_47-10-38.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 47-10-38 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: LOCKHEED Model 49 Subject: Landing Gear Drag Link Cross-Head Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Lockheed Aircraft Corporation Model: 49-46 Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 47-10-38 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 47-10-38 SUBJECT HEADING: LOCKHEED Model 49 ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 47-10-38 LOCKHEED: (Was Service Note 9 of AD-763-3.) Applies to All Model 49 Serials Up to and Including 2059. At periods not to exceed 500 hours, inspect the shank end of each main landing gear drag link crosshead assembly for signs of cracks in the fillet region. If cracks are found, install new type crosshead assembly, LAC P/N 288982, and, if necessary, replace the 283418 drag links with 288983 drag links. The periodic inspection procedure may be discontinued when the new type crosshead assembly is installed. (LAC Service Instruction 49/SI-27 covers this same subject.) FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_47-10-38.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 47-10-38 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: LOCKHEED Model 49 Subject: Landing Gear Drag Link Cross-Head Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Lockheed Aircraft Corporation Model: 49-46 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: 47-10-38 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 47-10-38 SUBJECT HEADING: LOCKHEED Model 49 ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 47-10-38 LOCKHEED: (Was Service Note 9 of AD-763-3.) Applies to All Model 49 Serials Up to and Including 2059. At periods not to exceed 500 hours, inspect the shank end of each main landing gear drag link crosshead assembly for signs of cracks in the fillet region. If cracks are found, install new type crosshead assembly, LAC P/N 288982, and, if necessary, replace the 283418 drag links with 288983 drag links. The periodic inspection procedure may be discontinued when the new type crosshead assembly is installed. (LAC Service Instruction 49/SI-27 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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