AD 79-19-11
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
The possibility of one side of the dual brake control valve jamming due to a separated improperly swaged retaining bolt collar.
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Required Actions
Inspect the nameplate on the dual brake control valves to determine if manufactured by Weston Hydraulics or McDonnell Douglas Astronautics Company. Modify and reidentify McDonnell Douglas Astronautics Company valves per Service Bulletin A32-169. Use special flight permits under FAR 21.197/199 to operate to a base for inspections.
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Compliance Time
within the next 350 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
Dual Brake Control Valves
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_79-19-11.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 79-19-11 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10, -10F, -30, -30F and -40 Airplanes Subject: Dual Brake Control Valves Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 09/24/1979 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| DC-10-30 | DC-10-30F (KC-10A, KDC-10) | DC-10-40 Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: Updated RGL applicability to match AD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: 79-19-11 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-3564 AD NUMBER: 79-19-11 SUBJECT HEADING: Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10, -10F, -30, -30F and -40 Airplanes ACTION: SUMMARY: DATES: Effective September 24, 1979. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 79-19-11 MCDONNELL DOUGLAS: Amendment 39-3564. Applies to McDonnell Douglas DC-10-10, -10F, -30, -30F and -40 airplanes certificated in all categories. Compliance required within the next 350 hours' time-in-service after the effective date of this AD, unless already accomplished. To eliminate the possibility of one side of the dual brake control valve jamming due to a separated improperly swaged retaining bolt collar accomplish the following: (a) Inspect the nameplate on the dual brake control valves, located in the left and right wheel wells above and aft of the brake system accumulators, to ascertain whether valves were manufactured by Weston Hydraulics or McDonnell Douglas Astronautics Company. Valves manufactured by Weston Hydraulics Company require no further action. (b) Modify and reidentify McDonnell Douglas Astronautics Company dual brake control valves in accordance with Subpart 2, Accomplishment Instructions of McDonnell Douglas DC-10 Service Bulletin No. A32-169, dated August 27, 1979. (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 inspections required by this AD. (d) Alternative inspections, modifications or other actions which provide an equivalent level of safety may be used when approved by the Chief, Aircraft Engineering Division, FAA Western Region. This amendment becomes effective September 24, 1979. FOOTER:
Document Text
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AD Final Rules - DRS_79-19-11.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 79-19-11 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10, -10F, -30, -30F and -40 Airplanes Subject: Dual Brake Control Valves Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 09/24/1979 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: 79-19-11 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-3564 AD NUMBER: 79-19-11 SUBJECT HEADING: Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10, -10F, -30, -30F and -40 Airplanes ACTION: SUMMARY: DATES: Effective September 24, 1979. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 79-19-11 MCDONNELL DOUGLAS: Amendment 39-3564. Applies to McDonnell Douglas DC-10-10, -10F, -30, -30F and -40 airplanes certificated in all categories. Compliance required within the next 350 hours' time-in-service after the effective date of this AD, unless already accomplished. To eliminate the possibility of one side of the dual brake control valve jamming due to a separated improperly swaged retaining bolt collar accomplish the following: (a) Inspect the nameplate on the dual brake control valves, located in the left and right wheel wells above and aft of the brake system accumulators, to ascertain whether valves were manufactured by Weston Hydraulics or McDonnell Douglas Astronautics Company. Valves manufactured by Weston Hydraulics Company require no further action. (b) Modify and reidentify McDonnell Douglas Astronautics Company dual brake control valves in accordance with Subpart 2, Accomplishment Instructions of McDonnell Douglas DC-10 Service Bulletin No. A32-169, dated August 27, 1979. (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 inspections required by this AD. (d) Alternative inspections, modifications or other actions which provide an equivalent level of safety may be used when approved by the Chief, Aircraft Engineering Division, FAA Western Region. This amendment becomes effective September 24, 1979. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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