AD 92-26-03

final rule

Airworthiness Directives; MCDONNELL DOUGLAS MD-11 Series Airplanes

AD Number
92-26-03
Status
final_rule
Effective Date
Product Category
aircraft
Docket
92-NM-207-AD
FR Citation
This information is not available.
Technical illustration of an aircraft flight control surface and actuator
Problem area Flight controls

Applicability

TypeManufacturerModelDetails
aircraft The Boeing Company MD-11 Airworthiness Directives; MCDONNELL DOUGLAS MD-11 Series Airplanes
aircraft The Boeing Company MD-11F Airworthiness Directives; MCDONNELL DOUGLAS MD-11 Series Airplanes

Unsafe Condition

Uncommanded slat deployment during flight at cruise altitude could create significant vibrations and cause damage to the elevators.

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

Required Actions

Install a cover on the flap/slat control module quadrant in the flight compartment in accordance with Alert Service Bulletin A27-30. An alternative method of compliance or adjustment of the compliance time may be used if approved by the FAA. Special flight permits may be issued to operate the airplane to a location where the AD requirements can be accomplished.

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

Compliance Time

Within 60 days after the effective date of this AD

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

Affected Aircraft

Model MD-11 series airplanes as listed in McDonnell Douglas MD-11 Alert Service Bulletin A27-30, dated August 20, 1992, certificated in any category.

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

Federal Register Abstract

Uncommanded Slat Deployment

Applicability Source Text

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AD Number:
92-26-03
Document Type:
AD Final Rules
Docket Number:
92-NM-207-AD
Subject Heading:
Airworthiness Directives; MCDONNELL DOUGLAS MD-11 Series Airplanes
Subject:
Uncommanded Slat Deployment
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
12/23/1992
Make:
The Boeing Company
Model:
MD-11 | MD-11F
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Superseded AD: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Superseded By: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: 92-26-03
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   92-NM-207-AD

AMENDMENT:   39-8430

AD NUMBER:   92-26-03

SUBJECT HEADING:   Airworthiness Directives; MCDONNELL DOUGLAS MD-11 Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective December 23, 1992.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:   92-26-03 MCDONNELL DOUGLAS: Amendment 39-8430. Docket No. 92-NM-207-AD.

Applicability: Model MD-11 series airplanes; as listed in McDonnell Douglas MD-11 Alert Service Bulletin A27-30, dated August 20, 1992; certificated in any category.

Compliance: Required as indicated, unless accomplished previously.

To prevent uncommanded slat deployment during flight at cruise altitude, which could create significant vibrations and cause damage to the elevators, accomplish the following:

(a) Within 60 days after the effective date of this AD, install a cover on the flap/slat control module quadrant in the flight compartment in accordance with McDonnell Douglas MD-11 Alert Service Bulletin A27-30, dated August 20, 1992.

(b) An alternative method of compliance or adjustment of the compliance time that provides an acceptable level of safety may be used if approved by the Manager, Los Angeles Aircraft Certification Office (ACO), FAA, Transport Airplane Directorate. Operators shall submit their requests through an appropriate FAA Principal Maintenance Inspector, who may add comments and then send it to the Manager, Los Angeles ACO.

NOTE: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the Los Angeles ACO.

(c) Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate the airplane to a location where the requirements of this AD can be accomplished.

(d) The installation shall be done in accordance with McDonnell Douglas MD-11 Alert Service Bulletin A27-30, dated August 20, 1992. This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR Part 51. Copies may be obtained from McDonnell Douglas Corporation, P.O. Box 1771, Long Beach, California 90846-0001, Attention: Business Unit Manager, Technical Publications - Technical Administrative Support, C1-L5B. Copies may be inspected at the FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington; or at FAA, Transport Airplane Directorate, Los Angeles Aircraft Certification Office, 3229 East Spring Street, Long Beach, California; or at the Office of the Federal Register, 800 North Capitol Street, NW., suite 700, Washington, DC.

(e) This amendment becomes effective on December 23, 1992.

FOOTER:

Document Text

Show stored source text (verify against official source)
AD Final Rules - DRS_92-26-03.html
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Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
92-26-03
Document Type:
AD Final Rules
Docket Number:
92-NM-207-AD
Subject Heading:
Airworthiness Directives; MCDONNELL DOUGLAS MD-11 Series Airplanes
Subject:
Uncommanded Slat Deployment
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
12/23/1992
Make:
The Boeing Company
Model:
MD-11 | MD-11F
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: 92-26-03
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   92-NM-207-AD

AMENDMENT:   39-8430

AD NUMBER:   92-26-03

SUBJECT HEADING:   Airworthiness Directives; MCDONNELL DOUGLAS MD-11 Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective December 23, 1992.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:   92-26-03 MCDONNELL DOUGLAS: Amendment 39-8430. Docket No. 92-NM-207-AD.

Applicability: Model MD-11 series airplanes; as listed in McDonnell Douglas MD-11 Alert Service Bulletin A27-30, dated August 20, 1992; certificated in any category.

Compliance: Required as indicated, unless accomplished previously.

To prevent uncommanded slat deployment during flight at cruise altitude, which could create significant vibrations and cause damage to the elevators, accomplish the following:

(a) Within 60 days after the effective date of this AD, install a cover on the flap/slat control module quadrant in the flight compartment in accordance with McDonnell Douglas MD-11 Alert Service Bulletin A27-30, dated August 20, 1992.

(b) An alternative method of compliance or adjustment of the compliance time that provides an acceptable level of safety may be used if approved by the Manager, Los Angeles Aircraft Certification Office (ACO), FAA, Transport Airplane Directorate. Operators shall submit their requests through an appropriate FAA Principal Maintenance Inspector, who may add comments and then send it to the Manager, Los Angeles ACO.

NOTE: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the Los Angeles ACO.

(c) Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate the airplane to a location where the requirements of this AD can be accomplished.

(d) The installation shall be done in accordance with McDonnell Douglas MD-11 Alert Service Bulletin A27-30, dated August 20, 1992. This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR Part 51. Copies may be obtained from McDonnell Douglas Corporation, P.O. Box 1771, Long Beach, California 90846-0001, Attention: Business Unit Manager, Technical Publications - Technical Administrative Support, C1-L5B. Copies may be inspected at the FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington; or at FAA, Transport Airplane Directorate, Los Angeles Aircraft Certification Office, 3229 East Spring Street, Long Beach, California; or at the Office of the Federal Register, 800 North Capitol Street, NW., suite 700, Washington, DC.

(e) This amendment becomes effective on December 23, 1992.

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.