AD 48-19-02

final rule

LOCKHEED Models 49-46, 149-46, 649-79, and 749-79 Aircraft

AD Number
48-19-02
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.
Technical illustration of an aircraft flight control surface and actuator
Problem area Flight controls

Applicability

TypeManufacturerModelDetails
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
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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Superseded AD: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.