AD 81-02-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 727-100 Series | BOEING Model 727-100 and 727-100C Series Airplanes |
| aircraft | The Boeing Company | 727-100C Series | BOEING Model 727-100 and 727-100C Series Airplanes |
Unsafe Condition
Failure of the aft airstair emergency extension control handle could result in inability to extend the airstair in an emergency.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace or modify the aft airstair emergency extension control handle in a manner approved by the Chief, Seattle Area Aircraft Certification Office, FAA Northwest Region. Compliance with Boeing Service Bulletin 727-52-120 or later FAA approved revisions is acceptable.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Prior to June 1, 1981
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Boeing Model 727-100 and 727-100C series airplanes equipped with the aft airstair emergency extension system, except all-cargo configurations and those with deactivated systems.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Aft Airstair Emergency Extension System
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_81-02-09.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 81-02-09 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: BOEING Model 727-100 and 727-100C Series Airplanes Subject: Aft Airstair Emergency Extension System Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 04/01/1981 Make: The Boeing Company Model: 727-100 Series | 727-100C Series Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 81-02-09 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-4024 AD NUMBER: 81-02-09 SUBJECT HEADING: BOEING Model 727-100 and 727-100C Series Airplanes ACTION: SUMMARY: DATES: Effective April 1, 1981. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 81-02-09 BOEING: Amendment 39-4024. Applies to all Boeing Model 727-100 and 727-100C series airplanes equipped with the aft airstair emergency extension system, except all-cargo configurations and those airplanes where the aft stair emergency extension system has been deactivated. Compliance is required as indicated. Accomplish the following: A. Prior to June 1, 1981, replace or modify the aft airstair emergency extension control handle in a manner approved by the Chief, Seattle Area Aircraft Certification Office, FAA Northwest Region. (Note: Accomplishment of Boeing Service Bulletin 727-52-120 dated March 21, 1980, or later FAA approved revisions has been approved as a means of compliance with the requirements of this AD.) B. Upon request of the operator, an FAA aviation safety inspector, subject to prior approval by the Chief, Seattle Area Aircraft Certification Office, FAA Northwest Region, may adjust the compliance date if the request contains substantiating data to justify the change. This amendment becomes effective April 1, 1981. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_81-02-09.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 81-02-09 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: BOEING Model 727-100 and 727-100C Series Airplanes Subject: Aft Airstair Emergency Extension System Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 04/01/1981 Make: The Boeing Company Model: 727-100 Series | 727-100C Series 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: 81-02-09 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-4024 AD NUMBER: 81-02-09 SUBJECT HEADING: BOEING Model 727-100 and 727-100C Series Airplanes ACTION: SUMMARY: DATES: Effective April 1, 1981. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 81-02-09 BOEING: Amendment 39-4024. Applies to all Boeing Model 727-100 and 727-100C series airplanes equipped with the aft airstair emergency extension system, except all-cargo configurations and those airplanes where the aft stair emergency extension system has been deactivated. Compliance is required as indicated. Accomplish the following: A. Prior to June 1, 1981, replace or modify the aft airstair emergency extension control handle in a manner approved by the Chief, Seattle Area Aircraft Certification Office, FAA Northwest Region. (Note: Accomplishment of Boeing Service Bulletin 727-52-120 dated March 21, 1980, or later FAA approved revisions has been approved as a means of compliance with the requirements of this AD.) B. Upon request of the operator, an FAA aviation safety inspector, subject to prior approval by the Chief, Seattle Area Aircraft Certification Office, FAA Northwest Region, may adjust the compliance date if the request contains substantiating data to justify the change. This amendment becomes effective April 1, 1981. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.