AD 48-19-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Lockheed Aircraft Corporation | 149-46 | LOCKHEED Models 49-46, 149-46, 649-79, and 749-79 Aircraft |
| aircraft | Lockheed Aircraft Corporation | 49-46 | LOCKHEED Models 49-46, 149-46, 649-79, and 749-79 Aircraft |
| aircraft | Lockheed Aircraft Corporation | 649-79 | LOCKHEED Models 49-46, 149-46, 649-79, and 749-79 Aircraft |
| aircraft | Lockheed Aircraft Corporation | 749-79 | LOCKHEED Models 49-46, 149-46, 649-79, and 749-79 Aircraft |
Unsafe Condition
Cracks or other signs of failure at the rivet attachment points of the two fittings, P/N 256019, 'Lever-Cockpit Torque Tube', in the elevator control system, particularly at the base of the arm.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the two fittings P/N 256019 for cracks or other signs of failure at the rivet attachment points. Remove and replace any defective parts with new parts LAC No. 302349, reinforced with fittings LAC No. 302337, or their equivalents.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
next No. 1 inspection, and thereafter at periods not to exceed 550 hours of operation
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Lockheed Aircraft Corporation Models 49-46, 149-46, 649-79, and 749-79 Aircraft
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Elevator Lever
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_48-19-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 48-19-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: LOCKHEED Models 49-46, 149-46, 649-79, and 749-79 Aircraft Subject: Elevator Lever Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Lockheed Aircraft Corporation Model: 149-46 | 49-46 | 649-79 | 749-79 Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: Updated RGL applicability to match AD applicability; CAR C-11-185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: 48-19-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 48-19-02 SUBJECT HEADING: LOCKHEED Models 49-46, 149-46, 649-79, and 749-79 Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 48-19-02 LOCKHEED: Applies to Models 49-46, 149-46, 649-79 and 749-79 Aircraft. Compliance required at next No. 1 inspection, and thereafter at periods not to exceed 550 hours of operation. Inspect the two fittings, P/N 256019, "Lever-Cockpit Torque Tube", in the elevator control system for the presence of cracks or other signs of failure at the rivet attachment points, particularly at the base of the arm. Remove and replace any defective parts. The periodic inspection may be discontinued if the two levers are replaced with new parts, LAC No. 302349, or are reinforced with additional fittings, LAC No. 302337, or their equivalents. (LAC Service Bulletin 49/SB-456 covers the lever substitution or reinforcement.) FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_48-19-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 48-19-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: LOCKHEED Models 49-46, 149-46, 649-79, and 749-79 Aircraft Subject: Elevator Lever Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Lockheed Aircraft Corporation Model: 149-46 | 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: 48-19-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 48-19-02 SUBJECT HEADING: LOCKHEED Models 49-46, 149-46, 649-79, and 749-79 Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 48-19-02 LOCKHEED: Applies to Models 49-46, 149-46, 649-79 and 749-79 Aircraft. Compliance required at next No. 1 inspection, and thereafter at periods not to exceed 550 hours of operation. Inspect the two fittings, P/N 256019, "Lever-Cockpit Torque Tube", in the elevator control system for the presence of cracks or other signs of failure at the rivet attachment points, particularly at the base of the arm. Remove and replace any defective parts. The periodic inspection may be discontinued if the two levers are replaced with new parts, LAC No. 302349, or are reinforced with additional fittings, LAC No. 302337, or their equivalents. (LAC Service Bulletin 49/SB-456 covers the lever substitution or reinforcement.) 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.