AD 74-18-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | DC-10-10 | Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10/-30/-40 Series Airplanes |
| aircraft | The Boeing Company | DC-10-10F | Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10/-30/-40 Series Airplanes |
| aircraft | The Boeing Company | DC-10-30 | Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10/-30/-40 Series Airplanes |
| aircraft | The Boeing Company | DC-10-30F (KC-10A, KDC-10) | Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10/-30/-40 Series Airplanes |
| aircraft | The Boeing Company | DC-10-40 | Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10/-30/-40 Series Airplanes |
Unsafe Condition
Failure of the inertial navigation system wiring installation could result in loss of cabin pressurization during unpressurized flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Incorporate specified revisions in the FAA-approved Airplane Flight Manual including MDC-J1010, MDC-J1030, MDC-J5830, MDC-J1040, and Appendix X of MDC-J1010 under Section I, Limitations, or obtain approved equipment modifications.
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Compliance Time
Within 300 additional hours time in service after the effective date of this AD
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Affected Aircraft
MCDONNELL DOUGLAS DC-10-10/-30/-40 Series airplanes incorporating Service Bulletin 21-68 or Service Change 1545 with inertial navigation systems installed
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Federal Register Abstract
Inertial Navigation System
Applicability Source Text
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AD Final Rules - DRS_74-18-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 74-18-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10/-30/-40 Series Airplanes Subject: Inertial Navigation System Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 03/08/1976 Make: The Boeing Company Model: DC-10-10 | DC-10-10F | DC-10-30 | DC-10-30F (KC-10A, KDC-10) | DC-10-40 Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: Updated RGL applicability to match AD applicability; CAR C-11-185 AIRWORTHINESS DIRECTIVES FINAL RULES: 74-18-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2533 AD NUMBER: 74-18-01 SUBJECT HEADING: Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10/-30/-40 Series Airplanes ACTION: SUMMARY: DATES: Effective March 8, 1976. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 74-18-01 MCDONNELL DOUGLAS: Amendment 39-1927 as amended by Amendment 39-2533. Applies to all Douglas Aircraft Company DC-10-10/-30/-40 Series airplanes which incorporate Douglas DC-10 Service Bulletin 21-68 or Service Change 1545 when inertial navigation systems are installed. Compliance required as indicated, unless previously accomplished. Within 300 additional hours time in service after the effective date of this AD, either (1) Incorporate in the FAA-approved Airplane Flight Manual, Documents MDC-J1010, MDC-J1030, MDC-J5830, MDC-J1040, and Appendix X of MDC-J1010, the following revision in Section I, Limitations, under the existing heading 'Cabin Pressurization': 'For the inertial platform configured airplanes, temporary installation of wiring per Douglas Drawing WBP 9502 must be accomplished for planned unpressurized flight'; or (2) Incorporate other airplane flight manual revisions, and/or equipment modification approved by the Chief, Aircraft Engineering Division, FAA Western Region. Amendment 39-1927 became effective August 26, 1974. This amendment 39-2533 becomes effective March 8, 1976. FOOTER:
Document Text
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AD Final Rules - DRS_74-18-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 74-18-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10/-30/-40 Series Airplanes Subject: Inertial Navigation System Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 03/08/1976 Make: The Boeing Company Model: DC-10-10 | DC-10-10F | DC-10-30 | DC-10-30F (KC-10A, KDC-10) | DC-10-40 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: Updated RGL applicability to match AD applicability; CAR C-11-185 AIRWORTHINESS DIRECTIVES FINAL RULES: 74-18-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2533 AD NUMBER: 74-18-01 SUBJECT HEADING: Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10/-30/-40 Series Airplanes ACTION: SUMMARY: DATES: Effective March 8, 1976. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 74-18-01 MCDONNELL DOUGLAS: Amendment 39-1927 as amended by Amendment 39-2533. Applies to all Douglas Aircraft Company DC-10-10/-30/-40 Series airplanes which incorporate Douglas DC-10 Service Bulletin 21-68 or Service Change 1545 when inertial navigation systems are installed. Compliance required as indicated, unless previously accomplished. Within 300 additional hours time in service after the effective date of this AD, either (1) Incorporate in the FAA-approved Airplane Flight Manual, Documents MDC-J1010, MDC-J1030, MDC-J5830, MDC-J1040, and Appendix X of MDC-J1010, the following revision in Section I, Limitations, under the existing heading 'Cabin Pressurization': 'For the inertial platform configured airplanes, temporary installation of wiring per Douglas Drawing WBP 9502 must be accomplished for planned unpressurized flight'; or (2) Incorporate other airplane flight manual revisions, and/or equipment modification approved by the Chief, Aircraft Engineering Division, FAA Western Region. Amendment 39-1927 became effective August 26, 1974. This amendment 39-2533 becomes effective March 8, 1976. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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