AD 47-49-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Lockheed Aircraft Corporation | 49-46 | LOCKHEED Model 49 |
Unsafe Condition
Inadequate clearance between the nose landing gear emergency extension line (LAC P/N 272239-164) and the nose gear actuating cylinder.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the nose landing gear emergency extension line in the nose wheel well. If inadequate clearance exists, replace the line with LAC 285106-311 or equivalent.
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Compliance Time
prior to February 15, 1948
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Affected Aircraft
Lockheed Aircraft Corporation Model 49 serial numbers up to and including 2088
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Federal Register Abstract
Nose Gear Extension Line Clearance
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_47-49-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 47-49-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: LOCKHEED Model 49 Subject: Nose Gear Extension Line Clearance 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Make: Lockheed Aircraft Corporation Model: 49-46 Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 47-49-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 47-49-02 SUBJECT HEADING: LOCKHEED Model 49 ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 47-49-02 LOCKHEED: (Was Mandatory Note 35 of AD-763-3.) Applies to All Model 49 Serials Up to and Including 2088. Compliance required prior to February 15, 1948. Inspect nose landing gear emergency extension line in nose wheel well (LAC P/N 272239- 164) to ascertain whether adequate clearance exists with respect to the nose gear actuating cylinder. If adequate clearance does not exist, replace this line with a new part, LAC 285106-311 or equivalent. (LAC Service Bulletin No. 49/SB-164 covers this same subject.) FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_47-49-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 47-49-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: LOCKHEED Model 49 Subject: Nose Gear Extension Line Clearance 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: 47-49-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 47-49-02 SUBJECT HEADING: LOCKHEED Model 49 ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 47-49-02 LOCKHEED: (Was Mandatory Note 35 of AD-763-3.) Applies to All Model 49 Serials Up to and Including 2088. Compliance required prior to February 15, 1948. Inspect nose landing gear emergency extension line in nose wheel well (LAC P/N 272239- 164) to ascertain whether adequate clearance exists with respect to the nose gear actuating cylinder. If adequate clearance does not exist, replace this line with a new part, LAC 285106-311 or equivalent. (LAC Service Bulletin No. 49/SB-164 covers this same subject.) FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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