AD 74-10-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| 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.
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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.
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Compliance Time
within the next 300 hours' time in service after the effective date of this AD
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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.
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Federal Register Abstract
Oxygen Generators
Applicability Source Text
Show captured applicability text from the source AD
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:
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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