AD 87-18-01

final rule

Airworthiness Directives; FOKKER B.V. Model F28 Airplanes

AD Number
87-18-01
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.
Technical illustration of an aircraft flight control surface and actuator
Problem area Flight controls

Applicability

TypeManufacturerModelDetails
aircraft Fokker Services F.28 Mark 0070 Airworthiness Directives; FOKKER B.V. Model F28 Airplanes
aircraft Fokker Services F.28 Mark 0100 Airworthiness Directives; FOKKER B.V. Model F28 Airplanes
aircraft Fokker Services F.28 Mark 1000 Airworthiness Directives; FOKKER B.V. Model F28 Airplanes
aircraft Fokker Services F.28 Mark 2000 Airworthiness Directives; FOKKER B.V. Model F28 Airplanes
aircraft Fokker Services F.28 Mark 3000 Airworthiness Directives; FOKKER B.V. Model F28 Airplanes
aircraft Fokker Services F.28 Mark 4000 Airworthiness Directives; FOKKER B.V. Model F28 Airplanes

Unsafe Condition

Fatigue failure of certain bolts within the horizontal stabilizer control unit could cause uncommanded movement of the horizontal stabilizer.

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

Required Actions

Replace the horizontal stabilizer control unit following Fokker Service Bulletin No. F28/F27-168, Revision 1. An alternate means of compliance or adjustment may be approved by the FAA Manager, Standardization Branch. Special flight permits under FAR 21.197 and 21.199 may be issued for operations to a base for modifications.

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

Compliance Time

within one year after the effective date of this AD

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

Affected Aircraft

Fokker B.V. Model F28 airplanes, serial numbers 11003 through 11195, 11991, and 11992

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

Federal Register Abstract

Horizontal Stabilizer Control Unit

Applicability Source Text

Show captured applicability text from the source AD
AD Final Rules - DRS_87-18-01.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
87-18-01
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; FOKKER B.V. Model F28 Airplanes
Subject:
Horizontal Stabilizer Control Unit
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
10/07/1987
Make:
Fokker Services
Model:
F.28 Mark 0070 | F.28 Mark 0100 | F.28 Mark 1000 | F.28 Mark 2000 | F.28 Mark 3000 | F.28 Mark 4000
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: 87-18-01
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-5719

AD NUMBER:   87-18-01

SUBJECT HEADING:   Airworthiness Directives; FOKKER B.V. Model F28 Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective October 7, 1987.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:   87-18-01 FOKKER B.V.: Amendment 39-5719. Applies to Model F28 airplanes certificated in any category, serial numbers 11003 through 11195, 11991, and 11992. Compliance required as indicated, unless previously accomplished.

To prevent uncommanded movement of the horizontal stabilizer as a result of fatigue failure of certain bolts within the horizontal stabilizer control unit, accomplish the following within one year after the effective date of this AD:

A. Replace the horizontal stabilizer control unit in accordance with the Accomplishment Instructions in Fokker Service Bulletin No. F28/F27-168, Revision 1, dated June 30, 1986.

B. An alternate means of compliance or adjustment of the compliance time, which provides an acceptable level of safety, may be used when approved by the Manager, Standardization Branch, ANM-113, FAA, Northwest Mountain Region.

C. Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base for the accomplishment of the modifications required by this AD.

All persons affected by this directive who have not already received the appropriate service document from the manufacturer may obtain copies upon request to Fokker Aircraft, 1199 North Fairfax Street, Alexandria, Virginia 22314. This document may be examined at the FAA, Northwest Mountain Region, 17900 Pacific Highway South, Seattle, Washington, or the Seattle Aircraft Certification Office, 9010 East Marginal Way South, Seattle, Washington.

This amendment becomes effective October 7, 1987.

FOOTER:

Document Text

Show stored source text (verify against official source)
AD Final Rules - DRS_87-18-01.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
87-18-01
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; FOKKER B.V. Model F28 Airplanes
Subject:
Horizontal Stabilizer Control Unit
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
10/07/1987
Make:
Fokker Services
Model:
F.28 Mark 0070 | F.28 Mark 0100 | F.28 Mark 1000 | F.28 Mark 2000 | F.28 Mark 3000 | F.28 Mark 4000
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: 87-18-01
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-5719

AD NUMBER:   87-18-01

SUBJECT HEADING:   Airworthiness Directives; FOKKER B.V. Model F28 Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective October 7, 1987.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:   87-18-01 FOKKER B.V.: Amendment 39-5719. Applies to Model F28 airplanes certificated in any category, serial numbers 11003 through 11195, 11991, and 11992. Compliance required as indicated, unless previously accomplished.

To prevent uncommanded movement of the horizontal stabilizer as a result of fatigue failure of certain bolts within the horizontal stabilizer control unit, accomplish the following within one year after the effective date of this AD:

A. Replace the horizontal stabilizer control unit in accordance with the Accomplishment Instructions in Fokker Service Bulletin No. F28/F27-168, Revision 1, dated June 30, 1986.

B. An alternate means of compliance or adjustment of the compliance time, which provides an acceptable level of safety, may be used when approved by the Manager, Standardization Branch, ANM-113, FAA, Northwest Mountain Region.

C. Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base for the accomplishment of the modifications required by this AD.

All persons affected by this directive who have not already received the appropriate service document from the manufacturer may obtain copies upon request to Fokker Aircraft, 1199 North Fairfax Street, Alexandria, Virginia 22314. This document may be examined at the FAA, Northwest Mountain Region, 17900 Pacific Highway South, Seattle, Washington, or the Seattle Aircraft Certification Office, 9010 East Marginal Way South, Seattle, Washington.

This amendment becomes effective October 7, 1987.

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.