AD 47-49-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Lockheed Aircraft Corporation | 49-46 | LOCKHEED Models 49, 649, and 749 |
| aircraft | Lockheed Aircraft Corporation | 649-79 | LOCKHEED Models 49, 649, and 749 |
| aircraft | Lockheed Aircraft Corporation | 749-79 | LOCKHEED Models 49, 649, and 749 |
Unsafe Condition
Wing attaching pins at Station 80 may work upward through the fittings, resulting in insufficient protrusion of the lower chamfered portion.
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Required Actions
At each engine change period, inspect the wing attaching pins at Station 80. If any pin has worked up until only the lower chamfered portion protrudes, replace the Station 80 cover strip with a new 0.064 24ST alclad strip. After replacement, periodic inspection of that joint may be discontinued.
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Compliance Time
At each engine change period
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Affected Aircraft
Lockheed Aircraft Corporation Models 49 (serials up to and including 2088), 649, and 749 (serials 2501 through 2513, inclusive)
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Federal Register Abstract
Wing Attaching Pins
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_47-49-09.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 47-49-09 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: LOCKHEED Models 49, 649, and 749 Subject: Wing Attaching Pins Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Lockheed Aircraft Corporation Model: 49-46 | 649-79 | 749-79 Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: Updated RGL applicability to match AD applicability; CAR C-11-185 AIRWORTHINESS DIRECTIVES FINAL RULES: 47-49-09 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 47-49-09 SUBJECT HEADING: LOCKHEED Models 49, 649, and 749 ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 47-49-09 LOCKHEED: (Was Service Note 9 of AD-763-3.) Applies to All Model 49 Serials Up to and Including 2088 and to Models 649 and 749 Serials 2501 Through 2513, Inclusive. At each engine change period, inspect the wing attaching pins at Station 80 to determine whether any of these pins are working upward through the fittings. If any pin has worked up until only the lower chamfered portion protrudes, replace the Station 80 cover strip with a new 0.064 24ST alclad strip. When this strip has been replaced the periodic inspection of that joint may be discontinued. (LAC Service Bulletin 49/SB-151 covers this same subject.) FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_47-49-09.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 47-49-09 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: LOCKHEED Models 49, 649, and 749 Subject: Wing Attaching Pins Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Lockheed Aircraft Corporation Model: 49-46 | 649-79 | 749-79 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: Updated RGL applicability to match AD applicability; CAR C-11-185 AIRWORTHINESS DIRECTIVES FINAL RULES: 47-49-09 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 47-49-09 SUBJECT HEADING: LOCKHEED Models 49, 649, and 749 ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 47-49-09 LOCKHEED: (Was Service Note 9 of AD-763-3.) Applies to All Model 49 Serials Up to and Including 2088 and to Models 649 and 749 Serials 2501 Through 2513, Inclusive. At each engine change period, inspect the wing attaching pins at Station 80 to determine whether any of these pins are working upward through the fittings. If any pin has worked up until only the lower chamfered portion protrudes, replace the Station 80 cover strip with a new 0.064 24ST alclad strip. When this strip has been replaced the periodic inspection of that joint may be discontinued. (LAC Service Bulletin 49/SB-151 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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