AD 78-01-11
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | DC-9-11 | Airworthiness Directives; MCDONNELL DOUGLAS DC-9, C-9A, C-9B and VC-9C. |
| aircraft | The Boeing Company | DC-9-12 | Airworthiness Directives; MCDONNELL DOUGLAS DC-9, C-9A, C-9B and VC-9C. |
| aircraft | The Boeing Company | DC-9-13 | Airworthiness Directives; MCDONNELL DOUGLAS DC-9, C-9A, C-9B and VC-9C. |
| aircraft | The Boeing Company | DC-9-14 | Airworthiness Directives; MCDONNELL DOUGLAS DC-9, C-9A, C-9B and VC-9C. |
| aircraft | The Boeing Company | DC-9-15 | Airworthiness Directives; MCDONNELL DOUGLAS DC-9, C-9A, C-9B and VC-9C. |
| aircraft | The Boeing Company | DC-9-15F | Airworthiness Directives; MCDONNELL DOUGLAS DC-9, C-9A, C-9B and VC-9C. |
| aircraft | The Boeing Company | DC-9-21 | Airworthiness Directives; MCDONNELL DOUGLAS DC-9, C-9A, C-9B and VC-9C. |
| aircraft | The Boeing Company | DC-9-31 | Airworthiness Directives; MCDONNELL DOUGLAS DC-9, C-9A, C-9B and VC-9C. |
| aircraft | The Boeing Company | DC-9-32 | Airworthiness Directives; MCDONNELL DOUGLAS DC-9, C-9A, C-9B and VC-9C. |
| aircraft | The Boeing Company | DC-9-32 (VC-9C) | Airworthiness Directives; MCDONNELL DOUGLAS DC-9, C-9A, C-9B and VC-9C. |
| aircraft | The Boeing Company | DC-9-32F | Airworthiness Directives; MCDONNELL DOUGLAS DC-9, C-9A, C-9B and VC-9C. |
| aircraft | The Boeing Company | DC-9-32F (C-9A) | Airworthiness Directives; MCDONNELL DOUGLAS DC-9, C-9A, C-9B and VC-9C. |
| aircraft | The Boeing Company | DC-9-32F (C-9B) | Airworthiness Directives; MCDONNELL DOUGLAS DC-9, C-9A, C-9B and VC-9C. |
| aircraft | The Boeing Company | DC-9-33F | Airworthiness Directives; MCDONNELL DOUGLAS DC-9, C-9A, C-9B and VC-9C. |
| aircraft | The Boeing Company | DC-9-34 | Airworthiness Directives; MCDONNELL DOUGLAS DC-9, C-9A, C-9B and VC-9C. |
| aircraft | The Boeing Company | DC-9-34F | Airworthiness Directives; MCDONNELL DOUGLAS DC-9, C-9A, C-9B and VC-9C. |
| aircraft | The Boeing Company | DC-9-41 | Airworthiness Directives; MCDONNELL DOUGLAS DC-9, C-9A, C-9B and VC-9C. |
| aircraft | The Boeing Company | DC-9-51 | Airworthiness Directives; MCDONNELL DOUGLAS DC-9, C-9A, C-9B and VC-9C. |
| aircraft | The Boeing Company | DC-9-81 (MD-81) | Airworthiness Directives; MCDONNELL DOUGLAS DC-9, C-9A, C-9B and VC-9C. |
| aircraft | The Boeing Company | DC-9-82 (MD-82) | Airworthiness Directives; MCDONNELL DOUGLAS DC-9, C-9A, C-9B and VC-9C. |
| aircraft | The Boeing Company | DC-9-83 (MD-83) | Airworthiness Directives; MCDONNELL DOUGLAS DC-9, C-9A, C-9B and VC-9C. |
| aircraft | The Boeing Company | DC-9-87 (MD-87) | Airworthiness Directives; MCDONNELL DOUGLAS DC-9, C-9A, C-9B and VC-9C. |
Unsafe Condition
The tail cone emergency exit release handle lacks adequate locating and operating markings, which could result in improper operation during emergency evacuation.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Modify the tail cone emergency exit release handle markings in accordance with McDonnell Douglas Service Bulletin 53-134, Revision 1, dated December 16, 1977 or later FAA approved revision, or an equivalent modification 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 180 days from the effective date of this AD
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Affected Aircraft
MCDONNELL DOUGLAS DC-9, C-9A, C-9B, and VC-9C models, including all passenger and passenger/cargo Model DC-9 airplanes certificated in all categories
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Emergency Exit Release Handle
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_78-01-11.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 78-01-11 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; MCDONNELL DOUGLAS DC-9, C-9A, C-9B and VC-9C. Subject: Emergency Exit Release Handle Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 02/13/1978 Make: The Boeing Company Model: DC-9-11 | DC-9-12 | DC-9-13 | DC-9-14 | DC-9-15 | DC-9-15F | DC-9-21 | DC-9-31 | DC-9-32 | DC-9-32 (...Show more 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: 78-01-11 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-3116 AD NUMBER: 78-01-11 SUBJECT HEADING: Airworthiness Directives; MCDONNELL DOUGLAS DC-9, C-9A, C-9B and VC-9C. ACTION: SUMMARY: DATES: Effective February 13, 1978. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 78-01-11 MCDONNELL DOUGLAS: Amendment 39-3116. Applies to all passenger and passenger/cargo Model DC-9 airplanes certificated in all categories, including C-9A, C-9B and VC-9C. Compliance required within 180 days from the effective date of this AD, unless already accomplished. To identify the location and operation of the tail cone emergency exit release handle, accomplish the following: Modify the tail cone emergency exit release handle locating and operating markings in accordance with McDonnell Douglas Service Bulletin 53-134, Revision 1, dated December 16, 1977 or later FAA approved revision, or an equivalent modification approved by the Chief, Aircraft Engineering Division, FAA Western Region. This Amendment becomes effective February 13, 1978. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_78-01-11.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 78-01-11 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; MCDONNELL DOUGLAS DC-9, C-9A, C-9B and VC-9C. Subject: Emergency Exit Release Handle Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 02/13/1978 Make: The Boeing Company Model: DC-9-11 | DC-9-12 | DC-9-13 | DC-9-14 | DC-9-15 | DC-9-15F | DC-9-21 | DC-9-31 | DC-9-32 | DC-9-32 (...Show more 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: 78-01-11 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-3116 AD NUMBER: 78-01-11 SUBJECT HEADING: Airworthiness Directives; MCDONNELL DOUGLAS DC-9, C-9A, C-9B and VC-9C. ACTION: SUMMARY: DATES: Effective February 13, 1978. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 78-01-11 MCDONNELL DOUGLAS: Amendment 39-3116. Applies to all passenger and passenger/cargo Model DC-9 airplanes certificated in all categories, including C-9A, C-9B and VC-9C. Compliance required within 180 days from the effective date of this AD, unless already accomplished. To identify the location and operation of the tail cone emergency exit release handle, accomplish the following: Modify the tail cone emergency exit release handle locating and operating markings in accordance with McDonnell Douglas Service Bulletin 53-134, Revision 1, dated December 16, 1977 or later FAA approved revision, or an equivalent modification approved by the Chief, Aircraft Engineering Division, FAA Western Region. This Amendment becomes effective February 13, 1978. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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