AD 47-49-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Lockheed Aircraft Corporation | 49-46 | LOCKHEED Model 49 |
Unsafe Condition
Stripped threads or elongated holes in rudder torque tube attach flanges.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect attachments of rudders to torque tube flanges for stripped threads or elongated holes. Redrill holes to next larger size and/or install new nuts as required.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
next engine change period
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Affected Aircraft
Lockheed Aircraft Corporation Model 49 serials up to and including 2080, except 2033, 2058 and 2071 through 2075.
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Federal Register Abstract
Rudder Torque Tube Attachments
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_47-49-03.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 47-49-03 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: LOCKHEED Model 49 Subject: Rudder Torque Tube Attachments 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Make: Lockheed Aircraft Corporation Model: 49-46 Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 47-49-03 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 47-49-03 SUBJECT HEADING: LOCKHEED Model 49 ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 47-49-03 LOCKHEED: (Was Mandatory Note 36 of AD-763-3.) Applies to All Model 49 Serials Up to and Including 2080, Except 2033, 2058 and 2071 Through 2075. Compliance required at next engine change period. Inspect all attachments of rudders to torque tube flanges for evidence of stripped threads or elongated holes. (This does not require removal of rudders.) When such evidences are found, redrill holes to next larger size and/or install new nuts as required. (LAC Service Bulletin 49/SB-256 covers this same subject.) FOOTER:
Document Text
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AD Final Rules - DRS_47-49-03.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 47-49-03 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: LOCKHEED Model 49 Subject: Rudder Torque Tube Attachments 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: 47-49-03 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 47-49-03 SUBJECT HEADING: LOCKHEED Model 49 ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 47-49-03 LOCKHEED: (Was Mandatory Note 36 of AD-763-3.) Applies to All Model 49 Serials Up to and Including 2080, Except 2033, 2058 and 2071 Through 2075. Compliance required at next engine change period. Inspect all attachments of rudders to torque tube flanges for evidence of stripped threads or elongated holes. (This does not require removal of rudders.) When such evidences are found, redrill holes to next larger size and/or install new nuts as required. (LAC Service Bulletin 49/SB-256 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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