AD 62-27-03

final rule

CURTISS-WRIGHT Model C-46 Series Aircraft

AD Number
62-27-03
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 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

Failure of the rudder spring tab rod terminal can cause free flutter of the rudder spring tab and oscillation of the rudder, leading to loss of control of the aircraft.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Inspect the rod terminal (P/N 20-530-5132-2) for cracks using dye penetrant, magnetic particle, or FAA-approved equivalent inspection with at least 5-power magnification. Replace cracked rod terminals prior to further flight. Inspections must be conducted at specified intervals based on aircraft or part time in service.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Compliance required as indicated in the AD, with inspections due before reaching specific time-in-service thresholds (e.g., 10,200 hours for aircraft under 10,000 hours, or within 200 hours after AD effective date for those over 10,000 hours). Repetitive inspections every 400 hours thereafter.

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Curtiss-Wright Model C-46 Series aircraft with rudder assemblies P/N 20-140-5110 installed, including models C-46A, C-46D, C-46F, C-46R, C-46E, C-46/CW20-T, and Super C-46/CW20-T.

AI-generated summary from the source AD text. Verify against the official source before acting.

Federal Register Abstract

Rudder Spring Tab

Applicability Source Text

Show captured applicability text from the source AD
AD Final Rules - DRS_62-27-03.html
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AD Number:
62-27-03
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
CURTISS-WRIGHT Model C-46 Series Aircraft
Subject:
Rudder Spring Tab
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
01/29/1963
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: 62-27-03
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:  

AD NUMBER:   62-27-03

SUBJECT HEADING:   CURTISS-WRIGHT Model C-46 Series Aircraft

ACTION:  

SUMMARY:  

DATES:   Effective January 29, 1963.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
62-27-03 CURTISS-WRIGHT: Amdt. 525 Part 507 Federal Register December 28, 1962. Applies to all C-46 Series aircraft which have rudder assemblies P/N 20-140-5110 installed.

Compliance required as indicated.

A recent inflight failure of the rudder spring tab rod terminal resulted in the free flutter of the rudder spring tab which forced the rudder to oscillate. To preclude the failure of this rod terminal and the resulting loss of control of the aircraft, the following shall be accomplished:

(a) (1) Aircraft with less than 10,000 hours' time in service shall be inspected in accordance with (b) prior to the accumulation of 10,200 hours' time in service and thereafter every 400 hours' time in service.

(2) Aircraft with 10,000 or more hours' time in service shall be inspected in accordance with (b) within 200 hours' time in service after the effective date of this AD, unless already accomplished within the last 200 hours' time in service, and thereafter every 400 hours' time in service from the last inspection.

(b) (1) Remove the clevis, P/N 20-530-5133-2, and AN 316-5R nut from the rudder spring tab rod assembly, P/N 20-530-5134-1.

(2) Inspect for cracks in the shoulder and threaded shank of the rod terminal, P/N 20-530-5132-2, using a dye penetrant, magnetic particle, or an FAA approved equivalent inspection method in conjunction with at least a 5-power magnifying glass.

(3) Replace cracked rod terminals, P/N 20-530-5132-2, prior to further flight.

(c) Rod terminals, P/N 20-530-5132-2, or rod assembly, P/N 20-530-5134-1, having zero or a known time in service not exceeding 5,000 hours, may be installed in compliance with (b)(3). Such parts shall be inspected and replaced in accordance with the following:

(1) Parts having less than 4,800 hours' time in service shall be inspected in accordance with paragraphs (b)(1) and (2) prior to the accumulation of 5,000 hours and thereafter every 400 hours' time in service.

(2) Parts having 4,800 or more hours' time in service shall be inspected in accordance with paragraphs (b)(1) and (2) within the next 200 hours' time in service and thereafter every 400 hours' time in service.

(3) Cracked parts shall be replaced prior to further flight.

(d) The inspection required by paragraph (b) is no longer required when rod assembly, P/N 20530-5134-1, is replaced with a new Component Air, Inc., rod assembly, P/N CAI-46003-1, or with an FAA approved rod terminal and clevis, or a rod assembly incorporating a clevis with 3/8-24 UNF or 7/16-20 UNF threads.

(e) Upon request of the operator, an FAA maintenance inspector, subject to prior approval of the Chief, Engineering and Manufacturing Branch, FAA Southern Region, may adjust the repetitive inspection intervals specified in this AD to permit compliance at an established inspection period of the operator if the request contains substantiating data to justify the increase for such operator.

This directive effective January 29, 1963.

FOOTER:

Document Text

Show stored source text (verify against official source)
AD Final Rules - DRS_62-27-03.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
62-27-03
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
CURTISS-WRIGHT Model C-46 Series Aircraft
Subject:
Rudder Spring Tab
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
01/29/1963
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: 62-27-03
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:  

AD NUMBER:   62-27-03

SUBJECT HEADING:   CURTISS-WRIGHT Model C-46 Series Aircraft

ACTION:  

SUMMARY:  

DATES:   Effective January 29, 1963.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
62-27-03 CURTISS-WRIGHT: Amdt. 525 Part 507 Federal Register December 28, 1962. Applies to all C-46 Series aircraft which have rudder assemblies P/N 20-140-5110 installed.

Compliance required as indicated.

A recent inflight failure of the rudder spring tab rod terminal resulted in the free flutter of the rudder spring tab which forced the rudder to oscillate. To preclude the failure of this rod terminal and the resulting loss of control of the aircraft, the following shall be accomplished:

(a) (1) Aircraft with less than 10,000 hours' time in service shall be inspected in accordance with (b) prior to the accumulation of 10,200 hours' time in service and thereafter every 400 hours' time in service.

(2) Aircraft with 10,000 or more hours' time in service shall be inspected in accordance with (b) within 200 hours' time in service after the effective date of this AD, unless already accomplished within the last 200 hours' time in service, and thereafter every 400 hours' time in service from the last inspection.

(b) (1) Remove the clevis, P/N 20-530-5133-2, and AN 316-5R nut from the rudder spring tab rod assembly, P/N 20-530-5134-1.

(2) Inspect for cracks in the shoulder and threaded shank of the rod terminal, P/N 20-530-5132-2, using a dye penetrant, magnetic particle, or an FAA approved equivalent inspection method in conjunction with at least a 5-power magnifying glass.

(3) Replace cracked rod terminals, P/N 20-530-5132-2, prior to further flight.

(c) Rod terminals, P/N 20-530-5132-2, or rod assembly, P/N 20-530-5134-1, having zero or a known time in service not exceeding 5,000 hours, may be installed in compliance with (b)(3). Such parts shall be inspected and replaced in accordance with the following:

(1) Parts having less than 4,800 hours' time in service shall be inspected in accordance with paragraphs (b)(1) and (2) prior to the accumulation of 5,000 hours and thereafter every 400 hours' time in service.

(2) Parts having 4,800 or more hours' time in service shall be inspected in accordance with paragraphs (b)(1) and (2) within the next 200 hours' time in service and thereafter every 400 hours' time in service.

(3) Cracked parts shall be replaced prior to further flight.

(d) The inspection required by paragraph (b) is no longer required when rod assembly, P/N 20530-5134-1, is replaced with a new Component Air, Inc., rod assembly, P/N CAI-46003-1, or with an FAA approved rod terminal and clevis, or a rod assembly incorporating a clevis with 3/8-24 UNF or 7/16-20 UNF threads.

(e) Upon request of the operator, an FAA maintenance inspector, subject to prior approval of the Chief, Engineering and Manufacturing Branch, FAA Southern Region, may adjust the repetitive inspection intervals specified in this AD to permit compliance at an established inspection period of the operator if the request contains substantiating data to justify the increase for such operator.

This directive effective January 29, 1963.

FOOTER:

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Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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