AD 67-29-07

final rule

Airworthiness Directives; Sikorsky Model S-55 Helicopters

AD Number
67-29-07
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft Orlando Helicopter Airways, Inc. | Sikorsky Aircraft Corporation HRS-1/CH-19 Airworthiness Directives; Sikorsky Model S-55 Helicopters
aircraft Orlando Helicopter Airways, Inc. | Sikorsky Aircraft Corporation HRS-3/H-19B Airworthiness Directives; Sikorsky Model S-55 Helicopters
aircraft Orlando Helicopter Airways, Inc. | Sikorsky Aircraft Corporation S-55 Airworthiness Directives; Sikorsky Model S-55 Helicopters
aircraft Orlando Helicopter Airways, Inc. | Sikorsky Aircraft Corporation S-55B Airworthiness Directives; Sikorsky Model S-55 Helicopters
aircraft Orlando Helicopter Airways, Inc. | Sikorsky Aircraft Corporation S-55C Airworthiness Directives; Sikorsky Model S-55 Helicopters

Unsafe Condition

Fatigue failure of the azimuth control rod assembly, P/N S1440-2105-1.

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

Required Actions

Remove from service control rod assemblies with 725 or more hours' time in service within the next 25 hours' time in service. Remove from service other control rod assemblies before accumulating 750 hours' time in service. Inspect assemblies within 15 hours' time in service after the effective date and every 50 hours' time in service thereafter per Sikorsky Service Bulletin 55B40-5.

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

Compliance Time

Effective November 3, 1967.

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

Affected Aircraft

Sikorsky Model S-55 Helicopters equipped with Wright R-1300 engines.

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

Federal Register Abstract

Azimuth Control Rod Assembly

Applicability Source Text

Show captured applicability text from the source AD
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AD Number:
67-29-07
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; Sikorsky Model S-55 Helicopters
Subject:
Azimuth Control Rod Assembly
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
11/03/1967
Make:
Orlando Helicopter Airways, Inc. | Sikorsky Aircraft Corporation
Model:
HRS-1/CH-19 | HRS-3/H-19B | S-55 | S-55B | S-55C
Product Type:
Aircraft
Product Subtype:
Rotorcraft
Affected AD:
Superseded AD:
Affected By:
Superseded By:
Service/Office:
Office of Primary Responsibility:
CFR Part Reference:
Part 39
Comments:
AIRWORTHINESS DIRECTIVES FINAL RULES: 67-29-07
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-504

AD NUMBER:   67-29-07

SUBJECT HEADING:   Airworthiness Directives; Sikorsky Model S-55 Helicopters

ACTION:  

SUMMARY:  

DATES:   Effective November 3, 1967.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
67-29-07 SIKORSKY: Amdt. 39-504 Part 39 Federal Register November 3, 1967. Applies to Type S-55 Helicopters equipped with Wright R-1300 engines (Restricted and Normal Category).

Compliance required as indicated.

To prevent fatigue failure of the azimuth control rod assembly, P/N S1440-2105-1, accomplish the following:

(a) Remove from service all control rod assemblies, P/N S1440-2105-1, with 725 or more hours' time in service on the effective date of this AD within the next 25 hours' time in service.

(b) Remove from service all other control rod assemblies P/N S1440-2105-1, before the accumulation of 750 hours' time in service.

(c) Within the next 15 hours' time in service after the effective date of this AD, unless already accomplished, and thereafter at intervals not to exceed 50 hours' time in service from the last inspection, inspect the control rod assembly in accordance with paragraph B of Sikorsky Service Bulletin No. 55B40-5, dated October 18, 1967, or later revisions approved by the Chief, Engineering and Manufacturing Branch, Federal Aviation Administration, Eastern Region. Equivalent inspections may be approved by an FAA maintenance inspector.

This amendment effective November 3, 1967.

FOOTER:

Document Text

Show stored source text (verify against official source)
AD Final Rules - DRS_67-29-07.html
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Print/Save as PDF
Document Versions
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Details
AD Number:
67-29-07
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; Sikorsky Model S-55 Helicopters
Subject:
Azimuth Control Rod Assembly
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
11/03/1967
Make:
Orlando Helicopter Airways, Inc. | Sikorsky Aircraft Corporation
Model:
HRS-1/CH-19 | HRS-3/H-19B | S-55 | S-55B | S-55C
Product Type:
Aircraft
Product Subtype:
Rotorcraft
Affected AD:
Superseded AD:
Affected By:
Superseded By:
Service/Office:
Office of Primary Responsibility:
CFR Part Reference:
Part 39
Comments:
AIRWORTHINESS DIRECTIVES FINAL RULES: 67-29-07
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-504

AD NUMBER:   67-29-07

SUBJECT HEADING:   Airworthiness Directives; Sikorsky Model S-55 Helicopters

ACTION:  

SUMMARY:  

DATES:   Effective November 3, 1967.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
67-29-07 SIKORSKY: Amdt. 39-504 Part 39 Federal Register November 3, 1967. Applies to Type S-55 Helicopters equipped with Wright R-1300 engines (Restricted and Normal Category).

Compliance required as indicated.

To prevent fatigue failure of the azimuth control rod assembly, P/N S1440-2105-1, accomplish the following:

(a) Remove from service all control rod assemblies, P/N S1440-2105-1, with 725 or more hours' time in service on the effective date of this AD within the next 25 hours' time in service.

(b) Remove from service all other control rod assemblies P/N S1440-2105-1, before the accumulation of 750 hours' time in service.

(c) Within the next 15 hours' time in service after the effective date of this AD, unless already accomplished, and thereafter at intervals not to exceed 50 hours' time in service from the last inspection, inspect the control rod assembly in accordance with paragraph B of Sikorsky Service Bulletin No. 55B40-5, dated October 18, 1967, or later revisions approved by the Chief, Engineering and Manufacturing Branch, Federal Aviation Administration, Eastern Region. Equivalent inspections may be approved by an FAA maintenance inspector.

This amendment effective November 3, 1967.

FOOTER:

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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