AD 78-20-10
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | DC-10-10 | Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10, -10F, -30, -30F, and -40 Airplanes |
| aircraft | The Boeing Company | DC-10-10F | Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10, -10F, -30, -30F, and -40 Airplanes |
| aircraft | The Boeing Company | DC-10-30 | Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10, -10F, -30, -30F, and -40 Airplanes |
| aircraft | The Boeing Company | DC-10-30F (KC-10A, KDC-10) | Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10, -10F, -30, -30F, and -40 Airplanes |
| aircraft | The Boeing Company | DC-10-40 | Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10, -10F, -30, -30F, and -40 Airplanes |
Unsafe Condition
Loss of related powered flight controls due to loss of fluid through brake return line failure.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Revise hydraulic system 1 and 3 by installing three check valves and, when applicable, new hydraulic piping in accordance with Service Bulletin A29-113, Revision 2. Equivalent modifications may be used when 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 the next 1800 hours time in service after the effective date of this AD
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Affected Aircraft
MCDONNELL DOUGLAS DC-10-10, -10F, -30, -30F (KC-10A, KDC-10), and -40 airplanes certificated in all categories.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Powered Flight Controls
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_78-20-10.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 78-20-10 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10, -10F, -30, -30F, and -40 Airplanes Subject: Powered Flight Controls Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 12/06/1978 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| DC-10-30 | DC-10-30F (KC-10A, KDC-10) | DC-10-40 Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: Updated RGL applicability to match AD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: 78-20-10 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-3310 AD NUMBER: 78-20-10 SUBJECT HEADING: Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10, -10F, -30, -30F, and -40 Airplanes ACTION: SUMMARY: DATES: Effective December 6, 1978. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 78-20-10 MCDONNELL DOUGLAS: Amendment 39-3310. Applies to DC-10-10, -10F, -30, -30F, and -40 airplanes certificated in all categories. Compliance required within the next 1800 hours time in service after the effective date of this AD, unless already accomplished. To prevent the loss of related powered flight controls due to loss of fluid through brake return line failure accomplish the following: (a) Revise hydraulic system 1 and 3 by installing three check valves and, when applicable, new hydraulic piping, in accordance with McDonnell Douglas DC-10 Service Bulletin No. A29-113, Revision 2, dated April 4, 1978. NOTE: Service Bulletin A29-113, Revision 2, dated April 4, 1978, is the only version of this service bulletin suitable for compliance with paragraph (a) of this AD. (b) Equivalent modifications may be used when approved by the Chief, Aircraft Engineering Division, FAA Western Region. (c) Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base for the accomplishment of the inspections required by this AD. This amendment becomes effective December 6, 1978. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_78-20-10.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 78-20-10 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10, -10F, -30, -30F, and -40 Airplanes Subject: Powered Flight Controls Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 12/06/1978 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: 78-20-10 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-3310 AD NUMBER: 78-20-10 SUBJECT HEADING: Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10, -10F, -30, -30F, and -40 Airplanes ACTION: SUMMARY: DATES: Effective December 6, 1978. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 78-20-10 MCDONNELL DOUGLAS: Amendment 39-3310. Applies to DC-10-10, -10F, -30, -30F, and -40 airplanes certificated in all categories. Compliance required within the next 1800 hours time in service after the effective date of this AD, unless already accomplished. To prevent the loss of related powered flight controls due to loss of fluid through brake return line failure accomplish the following: (a) Revise hydraulic system 1 and 3 by installing three check valves and, when applicable, new hydraulic piping, in accordance with McDonnell Douglas DC-10 Service Bulletin No. A29-113, Revision 2, dated April 4, 1978. NOTE: Service Bulletin A29-113, Revision 2, dated April 4, 1978, is the only version of this service bulletin suitable for compliance with paragraph (a) of this AD. (b) Equivalent modifications may be used when approved by the Chief, Aircraft Engineering Division, FAA Western Region. (c) Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base for the accomplishment of the inspections required by this AD. This amendment becomes effective December 6, 1978. FOOTER:
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Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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