AD 55-09-02
final rule
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airlift International, Inc. | Curtiss-Wright Corporation | Flying Tiger Line, Inc. | L. B. Smith Aircraft Corporation | Skyways International Trading and Transport Co. | Tempo Design Corporation | C-46A | CURTISS-WRIGHT Model C-46 Series Aircraft |
| aircraft | Airlift International, Inc. | Curtiss-Wright Corporation | Flying Tiger Line, Inc. | L. B. Smith Aircraft Corporation | Skyways International Trading and Transport Co. | Tempo Design Corporation | C-46D | CURTISS-WRIGHT Model C-46 Series Aircraft |
| aircraft | Airlift International, Inc. | Curtiss-Wright Corporation | Flying Tiger Line, Inc. | L. B. Smith Aircraft Corporation | Skyways International Trading and Transport Co. | Tempo Design Corporation | C-46F | CURTISS-WRIGHT Model C-46 Series Aircraft |
| aircraft | Airlift International, Inc. | Curtiss-Wright Corporation | Flying Tiger Line, Inc. | L. B. Smith Aircraft Corporation | Skyways International Trading and Transport Co. | Tempo Design Corporation | C-46R | CURTISS-WRIGHT Model C-46 Series Aircraft |
| aircraft | Airlift International, Inc. | Curtiss-Wright Corporation | Flying Tiger Line, Inc. | L. B. Smith Aircraft Corporation | Skyways International Trading and Transport Co. | Tempo Design Corporation | C-46E | CURTISS-WRIGHT Model C-46 Series Aircraft |
| aircraft | Airlift International, Inc. | Curtiss-Wright Corporation | Flying Tiger Line, Inc. | L. B. Smith Aircraft Corporation | Skyways International Trading and Transport Co. | Tempo Design Corporation | C-46/CW20-T | CURTISS-WRIGHT Model C-46 Series Aircraft |
| aircraft | Airlift International, Inc. | Curtiss-Wright Corporation | Flying Tiger Line, Inc. | L. B. Smith Aircraft Corporation | Skyways International Trading and Transport Co. | Tempo Design Corporation | Super C-46/CW20-T | CURTISS-WRIGHT Model C-46 Series Aircraft |
Unsafe Condition
Cracks in control column base assemblies, arm assemblies, terminal assemblies, and upper terminal assemblies, and cracks around rivets retaining these assemblies to the torque tube P/N 20-530-1163-2.
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Required Actions
Inspect visually control column base assemblies P/N 20-530-3076-5, arm assemblies P/N 20-530-1049-1 and -3, terminal assemblies P/N 20-530-1286-1 and -3, and upper terminal assemblies P/N 20-530-1059 at each 3,000 hours of operation. At each major overhaul, inspect these assemblies using Zyglo or equivalent method. Inspect for cracks around rivets retaining the assemblies to torque tube P/N 20-530-1163-2. Replace all defective parts.
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Compliance Time
Compliance required as indicated.
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Affected Aircraft
Curtiss-Wright Model C-46 Series aircraft including Models C-46A, C-46D, C-46E, C-46F, C-46R, C-46/CW20-T, and Super C-46/CW20-T.
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Federal Register Abstract
Terminal Assemblies
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_55-09-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 55-09-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: CURTISS-WRIGHT Model C-46 Series Aircraft Subject: Terminal Assemblies Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Airlift International, Inc. | Curtiss-Wright Corporation | Flying Tiger Line, Inc. | L. B. Smith Air...Show more Model: C-46A | C-46D | C-46F | C-46R | C-46E | C-46/CW20-T | Super C-46/CW20-T 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: 55-09-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 55-09-02 SUBJECT HEADING: CURTISS-WRIGHT Model C-46 Series Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 55-09-02 CURTISS-WRIGHT: Applies to all C-46 Series aircraft. Compliance required as indicated. (1) For Models C-46A and C-46D. At each 3,000 hours of operation inspect visually and at each major overhaul inspect by means of Zyglo or equivalent method control column base assemblies P/N 20-530- 3076-5, arm assemblies P/N 20-530-1049-1 and -3, terminal assemblies P/N 20-530-1286-1 and - 3, and upper terminal assemblies P/N 20-530-1059. Also inspect for cracks around the rivets which retain the assemblies to the torque tube P/N 20-530-1163-2. (2) For Models C-46E and C-46F. Due to recent similar failures reported on these models, the assemblies corresponding to the above Model C-46A and C-46D assemblies must be similarly inspected. All defective parts must be replaced. This supersedes AD 51-14-2. FOOTER:
Document Text
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AD Final Rules - DRS_55-09-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 55-09-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: CURTISS-WRIGHT Model C-46 Series Aircraft Subject: Terminal Assemblies Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Airlift International, Inc. | Curtiss-Wright Corporation | Flying Tiger Line, Inc. | L. B. Smith Air...Show more Model: C-46A | C-46D | C-46F | C-46R | C-46E | C-46/CW20-T | Super C-46/CW20-T 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: 55-09-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 55-09-02 SUBJECT HEADING: CURTISS-WRIGHT Model C-46 Series Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 55-09-02 CURTISS-WRIGHT: Applies to all C-46 Series aircraft. Compliance required as indicated. (1) For Models C-46A and C-46D. At each 3,000 hours of operation inspect visually and at each major overhaul inspect by means of Zyglo or equivalent method control column base assemblies P/N 20-530- 3076-5, arm assemblies P/N 20-530-1049-1 and -3, terminal assemblies P/N 20-530-1286-1 and - 3, and upper terminal assemblies P/N 20-530-1059. Also inspect for cracks around the rivets which retain the assemblies to the torque tube P/N 20-530-1163-2. (2) For Models C-46E and C-46F. Due to recent similar failures reported on these models, the assemblies corresponding to the above Model C-46A and C-46D assemblies must be similarly inspected. All defective parts must be replaced. This supersedes AD 51-14-2. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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