AD 74-14-07

final rule

Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks

AD Number
74-14-07
Status
final_rule
Effective Date
Product Category
appliance
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-10-10 Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
aircraft The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-10-10F Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
aircraft The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-10-15 Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
aircraft The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-10-30 Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
aircraft The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-10-30F (KC-10A, KDC-10) Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
aircraft The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-10-40 Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
aircraft The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-10-40F Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
aircraft The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-8-11 Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
aircraft The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-8-12 Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
aircraft The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-8-21 Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-10-10 Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-10-10F Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-10-15 Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-10-30 Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-10-30F (KC-10A, KDC-10) Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-10-40 Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-10-40F Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-8-11 Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-8-12 Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-8-21 Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-8-31 Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-8-32 Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-8-33 Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-8-41 Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-8-42 Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-8-43 Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-8-51 Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-8-52 Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-8-53 Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-8-55 Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-8-61 Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-8-61F Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-8-62 Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-8-62F Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-8-63 Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-8-63F Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-8-71 Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-8-71F Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-8-72 Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-8-72F Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-8-73 Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-8-73F Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-8F-54 Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-8F-55 Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-9-11 Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-9-12 Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-9-13 Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-9-14 Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-9-15 Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-9-15F Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-9-21 Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-9-31 Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-9-32 Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-9-32 (VC-9C) Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-9-32F Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-9-32F (C-9A) Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-9-32F (C-9B) Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-9-33F Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-9-34 Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-9-34F Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-9-41 Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-9-51 Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-9-81 (MD-81) Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-9-82 (MD-82) Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-9-83 (MD-83) Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company DC-9-87 (MD-87) Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company L-1011-385-1 Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company L-1011-385-1-14 Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company L-1011-385-1-15 Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company L-1011-385-3 Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks
appliance The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company Passenger Oxygen Masks Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks

Unsafe Condition

Separation of the reservoir from the mask facepiece

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

Required Actions

Install a retaining disk to secure the reservoir to the facepiece in accordance with Sierra Engineering Company Service Bulletins No. 289-601-35-1, dated February 11, 1974, and No. 289-601-35-2 dated March 1, 1974, or later FAA-approved revisions. Equivalent installations may be approved by the Chief, Aircraft Engineering Division, FAA Western Region.

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

Compliance Time

within one year after the effective date of this AD, unless already accomplished

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

Affected Aircraft

Sierra Engineering Company Model 289-601 series passenger oxygen masks installed in aircraft certificated in all categories, including DC-8, DC-9, DC-10 and L-1011 aircraft

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

Federal Register Abstract

Passenger Oxygen Masks

Applicability Source Text

Show captured applicability text from the source AD 
AD Final Rules - DRS_74-14-07.html
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Details
AD Number:
74-14-07
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-6...Show more
Subject:
Passenger Oxygen Masks
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
08/15/1974
Make:
The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company
Model:
DC-10-10 | DC-10-10F | DC-10-15 | DC-10-30 | DC-10-30F (KC-10A, KDC-10) | DC-10-40 | DC-10-40F | DC-...Show more
Product Type:
Appliance
Product Subtype:
Affected AD:
Superseded AD:
Affected By:
Superseded By:
Service/Office:
Office of Primary Responsibility:
CFR Part Reference:
Part 39
Comments:
AIRWORTHINESS DIRECTIVES FINAL RULES: 74-14-07
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-1895

AD NUMBER:   74-14-07

SUBJECT HEADING:   Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks

ACTION:  

SUMMARY:  

DATES:   Effective August 15, 1974.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
74-14-07 SIERRA ENGINEERING CO: Amendment 39-1895. Applies to Sierra Engineering Company Model 289-601 series passenger oxygen masks installed in aircraft certificated in all categories, including, but not limited to DC-8, DC-9, DC-10 and L-1011 aircraft.

Compliance required within one year after the effective date of this AD, unless already accomplished.

To prevent separation of the reservoir from the mask facepiece, accomplish the following:

(a) Install a retaining disk to secure the reservoir to the facepiece on Sierra Model 289-601 series passenger oxygen masks in accordance with Sierra Engineering Company Service Bulletins No. 289-601-35-1, dated February 11, 1974, and No. 289-601-35-2 dated March 1, 1974, or later FAA-approved revisions.

(b) Equivalent installations may be approved by the Chief, Aircraft Engineering Division, FAA Western Region.

(c) Aircraft may be flown to a base for the performance of that maintenance required by this AD per FAR's 21.197 and 21.199.

This amendment becomes effective August 15, 1974.

FOOTER:

Document Text

Show stored source text (verify against official source) 
AD Final Rules - DRS_74-14-07.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
74-14-07
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-6...Show more
Subject:
Passenger Oxygen Masks
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
08/15/1974
Make:
The Boeing Company | Lockheed Martin Corporation | Sierra Engineering Company
Model:
DC-10-10 | DC-10-10F | DC-10-15 | DC-10-30 | DC-10-30F (KC-10A, KDC-10) | DC-10-40 | DC-10-40F | DC-...Show more
Product Type:
Appliance
Product Subtype:
Affected AD:
Superseded AD:
Affected By:
Superseded By:
Service/Office:
Office of Primary Responsibility:
CFR Part Reference:
Part 39
Comments:
AIRWORTHINESS DIRECTIVES FINAL RULES: 74-14-07
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-1895

AD NUMBER:   74-14-07

SUBJECT HEADING:   Airworthiness Directives; SIERRA ENGINEERING CO: Applies to Sierra Engineering Company Model 289-601 Series Passenger Oxygen Masks

ACTION:  

SUMMARY:  

DATES:   Effective August 15, 1974.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
74-14-07 SIERRA ENGINEERING CO: Amendment 39-1895. Applies to Sierra Engineering Company Model 289-601 series passenger oxygen masks installed in aircraft certificated in all categories, including, but not limited to DC-8, DC-9, DC-10 and L-1011 aircraft.

Compliance required within one year after the effective date of this AD, unless already accomplished.

To prevent separation of the reservoir from the mask facepiece, accomplish the following:

(a) Install a retaining disk to secure the reservoir to the facepiece on Sierra Model 289-601 series passenger oxygen masks in accordance with Sierra Engineering Company Service Bulletins No. 289-601-35-1, dated February 11, 1974, and No. 289-601-35-2 dated March 1, 1974, or later FAA-approved revisions.

(b) Equivalent installations may be approved by the Chief, Aircraft Engineering Division, FAA Western Region.

(c) Aircraft may be flown to a base for the performance of that maintenance required by this AD per FAR's 21.197 and 21.199.

This amendment becomes effective August 15, 1974.

FOOTER:

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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