AD 74-10-02

final rule

Airworthiness Directives; MCDONNELL DOUGLAS DC-10 Series Airplanes

AD Number
74-10-02
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.
Technical illustration of an aircraft electrical generator and wiring assembly
Problem area Electrical system

Applicability

TypeManufacturerModelDetails
aircraft The Boeing Company DC-10-10 Airworthiness Directives; MCDONNELL DOUGLAS DC-10 Series Airplanes
aircraft The Boeing Company DC-10-10F Airworthiness Directives; MCDONNELL DOUGLAS DC-10 Series Airplanes
aircraft The Boeing Company DC-10-15 Airworthiness Directives; MCDONNELL DOUGLAS DC-10 Series Airplanes
aircraft The Boeing Company DC-10-30 Airworthiness Directives; MCDONNELL DOUGLAS DC-10 Series Airplanes
aircraft The Boeing Company DC-10-30F (KC-10A, KDC-10) Airworthiness Directives; MCDONNELL DOUGLAS DC-10 Series Airplanes
aircraft The Boeing Company DC-10-40 Airworthiness Directives; MCDONNELL DOUGLAS DC-10 Series Airplanes
aircraft The Boeing Company DC-10-40F Airworthiness Directives; MCDONNELL DOUGLAS DC-10 Series Airplanes

Unsafe Condition

Inadvertent dislodgement of oxygen generators from seat backs due to insufficient retention from torsion springs.

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

Required Actions

Replace oxygen generator torsion retention springs per Weber Aircraft Service Bulletin No. 25-326. Equivalent modifications may be approved by the FAA. Flights to a maintenance base are allowed under FAR's 21.197 and 21.199.

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

Compliance Time

within the next 300 hours' time in service after the effective date of this AD

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

Affected Aircraft

MCDONNELL DOUGLAS DC-10 series airplanes with Weber Aircraft seats, Part Numbers 818472, 818473, 818474, 818475, 819291, 819812, and 819813, and dash numbers per Weber Aircraft Service Bulletin No. 25-326.

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

Federal Register Abstract

Oxygen Generators

Applicability Source Text

Show captured applicability text from the source AD
AD Final Rules - DRS_74-10-02.html
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AD Number:
74-10-02
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; MCDONNELL DOUGLAS DC-10 Series Airplanes
Subject:
Oxygen Generators
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
05/06/1974
Make:
The Boeing 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
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: 74-10-02
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-1832

AD NUMBER:   74-10-02

SUBJECT HEADING:   Airworthiness Directives; MCDONNELL DOUGLAS DC-10 Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective May 6, 1974.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
74-10-02 MCDONNELL DOUGLAS: Amendment 39-1832. Applies to Douglas Model DC-10 series airplanes, certificated in all categories, incorporating Weber Aircraft seats, Part Numbers 818472, 818473, 818474, 818475, 819291, 819812, and 819813, with dash numbers as listed in Weber Aircraft Service Bulletin No. 25-326, dated February 15, 1974.

Compliance required within the next 300 hours' time in service after the effective date of this AD, unless already accomplished.

To prevent further inadvertent dislodgement of oxygen generators from seat backs, accomplish the following:

(a) Replace the oxygen generator torsion retention springs in accordance with Weber Aircraft Service Bulletin No. 25-326, dated February 15, 1974.

(b) The Chief, Aircraft Engineering Division, FAA Western Region, may approve equivalent modifications.

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

This amendment becomes effective May 6, 1974.


FOOTER:

Document Text

Show stored source text (verify against official source)
AD Final Rules - DRS_74-10-02.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
74-10-02
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; MCDONNELL DOUGLAS DC-10 Series Airplanes
Subject:
Oxygen Generators
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
05/06/1974
Make:
The Boeing 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
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: 74-10-02
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-1832

AD NUMBER:   74-10-02

SUBJECT HEADING:   Airworthiness Directives; MCDONNELL DOUGLAS DC-10 Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective May 6, 1974.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
74-10-02 MCDONNELL DOUGLAS: Amendment 39-1832. Applies to Douglas Model DC-10 series airplanes, certificated in all categories, incorporating Weber Aircraft seats, Part Numbers 818472, 818473, 818474, 818475, 819291, 819812, and 819813, with dash numbers as listed in Weber Aircraft Service Bulletin No. 25-326, dated February 15, 1974.

Compliance required within the next 300 hours' time in service after the effective date of this AD, unless already accomplished.

To prevent further inadvertent dislodgement of oxygen generators from seat backs, accomplish the following:

(a) Replace the oxygen generator torsion retention springs in accordance with Weber Aircraft Service Bulletin No. 25-326, dated February 15, 1974.

(b) The Chief, Aircraft Engineering Division, FAA Western Region, may approve equivalent modifications.

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

This amendment becomes effective May 6, 1974.


FOOTER:

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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