AD 75-08-02

final rule

Airworthiness Directives; de Havilland Model DHC- 6 Series Twin Otter Aircraft

AD Number
75-08-02
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 Viking Air Limited DHC-6-1 Airworthiness Directives; de Havilland Model DHC- 6 Series Twin Otter Aircraft
aircraft Viking Air Limited DHC-6-100 Airworthiness Directives; de Havilland Model DHC- 6 Series Twin Otter Aircraft
aircraft Viking Air Limited DHC-6-200 Airworthiness Directives; de Havilland Model DHC- 6 Series Twin Otter Aircraft
aircraft Viking Air Limited DHC-6-300 Airworthiness Directives; de Havilland Model DHC- 6 Series Twin Otter Aircraft

Unsafe Condition

Failure of the right hand aileron control cable through contact with DC electrical power cable coded 2P66A8.

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

Required Actions

Within 100 hours' time in service after the effective date, alter the attachment of terminal block TB-17 and route the cable harness to terminal blocks TB-17 and TB-18 per de Havilland Service Bulletin No. 6/304, Revision B, dated June 28, 1974, or an approved equivalent. Compliance time may be increased upon request with substantiating data through an FAA inspector.

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

Compliance Time

Within the next 100 hours' time in service after the effective date of this A.D.

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

Affected Aircraft

de Havilland Model DHC-6 Series Twin Otter Aircraft, Serial Nos. 1 through 135 inclusive.

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

Federal Register Abstract

Aileron Control Cable

Applicability Source Text

Show captured applicability text from the source AD
AD Final Rules - DRS_75-08-02.html
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AD Number:
75-08-02
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; de Havilland Model DHC- 6 Series Twin Otter Aircraft
Subject:
Aileron Control Cable
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
04/07/1975
Make:
Viking Air Limited
Model:
DHC-6-1 | DHC-6-100 | DHC-6-200 | DHC-6-300
Product Type:
Aircraft
Product Subtype:
Small 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: 75-08-02
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-2149

AD NUMBER:   75-08-02

SUBJECT HEADING:   Airworthiness Directives; de Havilland Model DHC- 6 Series Twin Otter Aircraft

ACTION:  

SUMMARY:  

DATES:   Effective April 7, 1975.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
75-08-02 DE HAVILLAND: Amendment 39-2149. Applies to de Havilland Model DHC- 6 Series Twin Otter Aircraft, Serial Nos. 1 through 135 inclusive.

Compliance required as indicated.

To preclude the hazard created by the failure of the right hand aileron control cable through contact with DC electrical power cable coded 2P66A8, accomplish the following:

(a) Within the next 100 hours' time in service after the effective date of this A.D., alter the attachment of terminal block TB-17 and the routing of the cable harness to terminal block TB-17 and TB-18 in accordance with de Havilland Service Bulletin No. 6/304, Revision B, dated June 28, 1974, or equivalent alteration approved by the Chief, Engineering and Manufacturing Branch, FAA Eastern Region.

(b) Upon request with substantiating data submitted through an FAA inspector, the compliance time specified in this A.D. may be increased by the Chief, Engineering and Manufacturing Branch, FAA Eastern Region.

This amendment is effective April 7, 1975.

FOOTER:

Document Text

Show stored source text (verify against official source)
AD Final Rules - DRS_75-08-02.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
75-08-02
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; de Havilland Model DHC- 6 Series Twin Otter Aircraft
Subject:
Aileron Control Cable
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
04/07/1975
Make:
Viking Air Limited
Model:
DHC-6-1 | DHC-6-100 | DHC-6-200 | DHC-6-300
Product Type:
Aircraft
Product Subtype:
Small 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: 75-08-02
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-2149

AD NUMBER:   75-08-02

SUBJECT HEADING:   Airworthiness Directives; de Havilland Model DHC- 6 Series Twin Otter Aircraft

ACTION:  

SUMMARY:  

DATES:   Effective April 7, 1975.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
75-08-02 DE HAVILLAND: Amendment 39-2149. Applies to de Havilland Model DHC- 6 Series Twin Otter Aircraft, Serial Nos. 1 through 135 inclusive.

Compliance required as indicated.

To preclude the hazard created by the failure of the right hand aileron control cable through contact with DC electrical power cable coded 2P66A8, accomplish the following:

(a) Within the next 100 hours' time in service after the effective date of this A.D., alter the attachment of terminal block TB-17 and the routing of the cable harness to terminal block TB-17 and TB-18 in accordance with de Havilland Service Bulletin No. 6/304, Revision B, dated June 28, 1974, or equivalent alteration approved by the Chief, Engineering and Manufacturing Branch, FAA Eastern Region.

(b) Upon request with substantiating data submitted through an FAA inspector, the compliance time specified in this A.D. may be increased by the Chief, Engineering and Manufacturing Branch, FAA Eastern Region.

This amendment is effective April 7, 1975.

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.