AD 91-18-10

final rule

Airworthiness Directives; BOEING Model 767 Series Airplanes

AD Number
91-18-10
Status
final_rule
Effective Date
Product Category
aircraft
Docket
90-NM-206-AD
FR Citation
This information is not available.
Technical illustration of an aircraft landing gear and wheel assembly
Problem area Landing gear

Applicability

TypeManufacturerModelDetails
aircraft The Boeing Company 767-200 Series Airworthiness Directives; BOEING Model 767 Series Airplanes
aircraft The Boeing Company 767-300 Series Airworthiness Directives; BOEING Model 767 Series Airplanes
aircraft The Boeing Company 767-300F Series Airworthiness Directives; BOEING Model 767 Series Airplanes

Unsafe Condition

Loss of main landing gear braking effectiveness due to insufficient brake wear limits in the maintenance inspection program.

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

Required Actions

Incorporate the specified maximum brake wear limits into the FAA-approved maintenance inspection program within 180 days after the effective date. Alternative methods may be used if approved by the Manager, Seattle Aircraft Certification Office.

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

Compliance Time

Within 180 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

Boeing Model 767 series airplanes equipped with brake part numbers (P/N) 2607092-1, 2607092-2, 2607092-3, 2607092-4, 2608812-4, or 2608812-6.

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

Federal Register Abstract

Brake Wear Limits

Applicability Source Text

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AD Final Rules - DRS_91-18-10.html
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AD Number:
91-18-10
Document Type:
AD Final Rules
Docket Number:
90-NM-206-AD
Subject Heading:
Airworthiness Directives; BOEING Model 767 Series Airplanes
Subject:
Brake Wear Limits
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
11/12/1991
Make:
The Boeing Company
Model:
767-200 Series | 767-300 Series | 767-300F 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Superseded AD: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Superseded By: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: 91-18-10
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   90-NM-206-AD

AMENDMENT:   39-8013

AD NUMBER:   91-18-10

SUBJECT HEADING:   Airworthiness Directives; BOEING Model 767 Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective November 12, 1991.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
91-18-10 BOEING: Amendment 39-8013. Docket No. 90-NM-206-AD.

Applicability: Model 767 series airplanes equipped with brake part numbers (P/N) identified in paragraph (a) of this AD, certificated in any category.

Compliance: Required as indicated, unless previously accomplished.

To prevent the loss of main landing gear braking effectiveness, accomplish the following:

(a) Within 180 days after the effective date of this AD, incorporate the maximum brake wear limits, shown below, into the FAA-approved maintenance inspection program.

Brake Mfr. Brake P/N Boeing P/N Max. Wear Limit
Bendix	2607092-1	S160T200-12	2.15 inches
Bendix	2607092-2	S160T200-13	2.15 inches
Bendix	2607092-3	S160T200-14	2.15 inches
Bendix	2607092-4	S160T200-15	2.15 inches
Bendix	2608812-4	S160T300-12	2.56 inches
Bendix	2608812-6	S160T300-14	2.90 inches

(b) An alternative method of compliance or adjustment of the compliance time, which provides an acceptable level of safety, may be used when approved by the Manager, Seattle Aircraft Certification Office (ACO), FAA, Transport Airplane Directorate.

NOTE: The request should be forwarded through an FAA Principal Maintenance Inspector, who may concur or comment and then send it to the Manager, Seattle ACO.

(c) Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base in order to comply with the requirements of this AD.

This amendment (39-8013, AD 91-18-10) becomes effective on November 12, 1991.

FOOTER:

Document Text

Show stored source text (verify against official source)
AD Final Rules - DRS_91-18-10.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
91-18-10
Document Type:
AD Final Rules
Docket Number:
90-NM-206-AD
Subject Heading:
Airworthiness Directives; BOEING Model 767 Series Airplanes
Subject:
Brake Wear Limits
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
11/12/1991
Make:
The Boeing Company
Model:
767-200 Series | 767-300 Series | 767-300F 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: 91-18-10
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   90-NM-206-AD

AMENDMENT:   39-8013

AD NUMBER:   91-18-10

SUBJECT HEADING:   Airworthiness Directives; BOEING Model 767 Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective November 12, 1991.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
91-18-10 BOEING: Amendment 39-8013. Docket No. 90-NM-206-AD.

Applicability: Model 767 series airplanes equipped with brake part numbers (P/N) identified in paragraph (a) of this AD, certificated in any category.

Compliance: Required as indicated, unless previously accomplished.

To prevent the loss of main landing gear braking effectiveness, accomplish the following:

(a) Within 180 days after the effective date of this AD, incorporate the maximum brake wear limits, shown below, into the FAA-approved maintenance inspection program.

Brake Mfr. Brake P/N Boeing P/N Max. Wear Limit
Bendix	2607092-1	S160T200-12	2.15 inches
Bendix	2607092-2	S160T200-13	2.15 inches
Bendix	2607092-3	S160T200-14	2.15 inches
Bendix	2607092-4	S160T200-15	2.15 inches
Bendix	2608812-4	S160T300-12	2.56 inches
Bendix	2608812-6	S160T300-14	2.90 inches

(b) An alternative method of compliance or adjustment of the compliance time, which provides an acceptable level of safety, may be used when approved by the Manager, Seattle Aircraft Certification Office (ACO), FAA, Transport Airplane Directorate.

NOTE: The request should be forwarded through an FAA Principal Maintenance Inspector, who may concur or comment and then send it to the Manager, Seattle ACO.

(c) Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base in order to comply with the requirements of this AD.

This amendment (39-8013, AD 91-18-10) becomes effective on November 12, 1991.

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.