AD 80-22-12 R2

final rule

BOEING Model 707, 720, 727, and 737 Series Airplanes

AD Number
80-22-12 R2
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft The Boeing Company 707-100 Long Body BOEING Model 707, 720, 727, and 737 Series Airplanes
aircraft The Boeing Company 707-100B Long Body BOEING Model 707, 720, 727, and 737 Series Airplanes
aircraft The Boeing Company 707-100B Short Body BOEING Model 707, 720, 727, and 737 Series Airplanes
aircraft The Boeing Company 707-200 BOEING Model 707, 720, 727, and 737 Series Airplanes
aircraft The Boeing Company 707-300 Series BOEING Model 707, 720, 727, and 737 Series Airplanes
aircraft The Boeing Company 707-300B Series BOEING Model 707, 720, 727, and 737 Series Airplanes
aircraft The Boeing Company 707-300C Series BOEING Model 707, 720, 727, and 737 Series Airplanes
aircraft The Boeing Company 707-400 Series BOEING Model 707, 720, 727, and 737 Series Airplanes
aircraft The Boeing Company 720 Series BOEING Model 707, 720, 727, and 737 Series Airplanes
aircraft The Boeing Company 720B Series BOEING Model 707, 720, 727, and 737 Series Airplanes
aircraft The Boeing Company 727-100 Series BOEING Model 707, 720, 727, and 737 Series Airplanes
aircraft The Boeing Company 727-100C Series BOEING Model 707, 720, 727, and 737 Series Airplanes
aircraft The Boeing Company 727-200 Series BOEING Model 707, 720, 727, and 737 Series Airplanes
aircraft The Boeing Company 727-200F Series BOEING Model 707, 720, 727, and 737 Series Airplanes
aircraft The Boeing Company 727 Series BOEING Model 707, 720, 727, and 737 Series Airplanes
aircraft The Boeing Company 727C Series BOEING Model 707, 720, 727, and 737 Series Airplanes
aircraft The Boeing Company 737-100 Series BOEING Model 707, 720, 727, and 737 Series Airplanes
aircraft The Boeing Company 737-200 Series BOEING Model 707, 720, 727, and 737 Series Airplanes
aircraft The Boeing Company 737-200C Series BOEING Model 707, 720, 727, and 737 Series Airplanes
aircraft The Boeing Company 737-300 Series BOEING Model 707, 720, 727, and 737 Series Airplanes
aircraft The Boeing Company 737-400 Series BOEING Model 707, 720, 727, and 737 Series Airplanes
aircraft The Boeing Company 737-500 Series BOEING Model 707, 720, 727, and 737 Series Airplanes
aircraft The Boeing Company 737-600 Series BOEING Model 707, 720, 727, and 737 Series Airplanes
aircraft The Boeing Company 737-700 Series BOEING Model 707, 720, 727, and 737 Series Airplanes
aircraft The Boeing Company 737-800 Series BOEING Model 707, 720, 727, and 737 Series Airplanes

Unsafe Condition

Failure to provide a positive warning when the leading edge devices are not extended for takeoff could result in an unsafe condition.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Install leading edge device logic with aural warning per specified service bulletins by March 31, 1983, unless delayed until December 26, 1983 for 727/737 series. Alternate means may be used if approved.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

On or before March 31, 1983, except for Model 727 and 737 series which may be delayed until December 26, 1983 if using the approved cockpit checklist procedure.

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Boeing Model 707, 720, 727, and 737 series airplanes certificated in all categories.

AI-generated summary from the source AD text. Verify against the official source before acting.

Federal Register Abstract

Leading Edge Devices

Applicability Source Text

Show captured applicability text from the source AD
AD Final Rules - DRS_80-22-12_R.html
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AD Number:
80-22-12 R2
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
BOEING Model 707, 720, 727, and 737 Series Airplanes
Subject:
Leading Edge Devices
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
06/21/1983
Make:
The Boeing Company
Model:
707-100 Long Body | 707-100B Long Body | 707-100B Short Body | 707-200 | 707-300 Series | 707-300B S...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: 80-22-12 R2
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-4661

AD NUMBER:   80-22-12 R2

SUBJECT HEADING:   BOEING Model 707, 720, 727, and 737 Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective June 21, 1983.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
80-22-12 R2 BOEING: Amendment 39-3951 as amended by Amendment 39-4577 is further amended by Amendment 39-4661. Applies to all Model 707, 720, 727, and 737 series airplanes certificated in all categories. Compliance time as follows: To assure the flight crew has positive warning when the leading edge devices are not extended for takeoff, accomplish the following unless already accomplished:

A. On or before March 31, 1983, except as provided for in paragraph C., below, install leading edge device logic that will provide aural warning when the leading edge devices have not been extended prior to takeoff in accordance with the following:

(1) (For Boeing 707/720 Series Airplanes) Boeing Service Bulletin No. 3404, Revision 2, dated January 21, 1983, or other previous or subsequent FAA approved revisions.

(2) (For Boeing 727 Series Airplanes) Boeing Service Bulletins No. 727-31-50, Revision 1, dated January 15, 1982, or No. 727-31-52, dated January 15, 1982, or other previous or subsequent FAA approved revisions.

(3) (For Boeing 737 Series Airplanes) Boeing Service Bulletin No. 737-31-1038, Revision 3, dated October 29, 1982, or other previous or subsequent FAA approved revisions.

B. Alternate means of compliance which provide an equivalent level of safety may be used when approved by the Manager, Seattle Aircraft Certification Office, FAA, Northwest Mountain Region.

C. This modification may be delayed until December 26, 1983, for the Model 727 and 737 series airplanes, provided the following cockpit checklist procedure, as implemented by each operator, is FAA approved by the appropriate Principal Operations Inspector:

"The Leading Edge Device (LED) annunciator panel must be observed and must indicate proper leading edge device position prior to each takeoff."

D. Modification of the airplane in accordance with paragraph A. or B., above, constitutes terminating action for this AD. Once the modification is completed, the special cockpit procedure described in paragraph C., above, may be discontinued.

All persons affected by this directive who have not already received these documents from the manufacturer may obtain copies upon request to the Boeing Commercial Airplane Company, P.O. Box 3707, Seattle, Washington 98124. These documents may also be examined at FAA, Northwest Mountain Region, 9010 East Marginal Way South, Seattle, Washington 98108.

Amendment 39-3951 became effective November 24, 1980.

Amendment 39-4577 became effective March 7, 1983.

This Amendment 39-4661 becomes effective June 21, 1983.

FOOTER:

Document Text

Show stored source text (verify against official source)
AD Final Rules - DRS_80-22-12_R.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
80-22-12 R2
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
BOEING Model 707, 720, 727, and 737 Series Airplanes
Subject:
Leading Edge Devices
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
06/21/1983
Make:
The Boeing Company
Model:
707-100 Long Body | 707-100B Long Body | 707-100B Short Body | 707-200 | 707-300 Series | 707-300B S...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: 80-22-12 R2
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-4661

AD NUMBER:   80-22-12 R2

SUBJECT HEADING:   BOEING Model 707, 720, 727, and 737 Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective June 21, 1983.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
80-22-12 R2 BOEING: Amendment 39-3951 as amended by Amendment 39-4577 is further amended by Amendment 39-4661. Applies to all Model 707, 720, 727, and 737 series airplanes certificated in all categories. Compliance time as follows: To assure the flight crew has positive warning when the leading edge devices are not extended for takeoff, accomplish the following unless already accomplished:

A. On or before March 31, 1983, except as provided for in paragraph C., below, install leading edge device logic that will provide aural warning when the leading edge devices have not been extended prior to takeoff in accordance with the following:

(1) (For Boeing 707/720 Series Airplanes) Boeing Service Bulletin No. 3404, Revision 2, dated January 21, 1983, or other previous or subsequent FAA approved revisions.

(2) (For Boeing 727 Series Airplanes) Boeing Service Bulletins No. 727-31-50, Revision 1, dated January 15, 1982, or No. 727-31-52, dated January 15, 1982, or other previous or subsequent FAA approved revisions.

(3) (For Boeing 737 Series Airplanes) Boeing Service Bulletin No. 737-31-1038, Revision 3, dated October 29, 1982, or other previous or subsequent FAA approved revisions.

B. Alternate means of compliance which provide an equivalent level of safety may be used when approved by the Manager, Seattle Aircraft Certification Office, FAA, Northwest Mountain Region.

C. This modification may be delayed until December 26, 1983, for the Model 727 and 737 series airplanes, provided the following cockpit checklist procedure, as implemented by each operator, is FAA approved by the appropriate Principal Operations Inspector:

"The Leading Edge Device (LED) annunciator panel must be observed and must indicate proper leading edge device position prior to each takeoff."

D. Modification of the airplane in accordance with paragraph A. or B., above, constitutes terminating action for this AD. Once the modification is completed, the special cockpit procedure described in paragraph C., above, may be discontinued.

All persons affected by this directive who have not already received these documents from the manufacturer may obtain copies upon request to the Boeing Commercial Airplane Company, P.O. Box 3707, Seattle, Washington 98124. These documents may also be examined at FAA, Northwest Mountain Region, 9010 East Marginal Way South, Seattle, Washington 98108.

Amendment 39-3951 became effective November 24, 1980.

Amendment 39-4577 became effective March 7, 1983.

This Amendment 39-4661 becomes effective June 21, 1983.

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.