AD 86-14-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Fokker Services | F.28 Mark 0070 | Airworthiness Directives; FOKKER B.V. Model F28 Series Airplanes |
| aircraft | Fokker Services | F.28 Mark 0100 | Airworthiness Directives; FOKKER B.V. Model F28 Series Airplanes |
| aircraft | Fokker Services | F.28 Mark 1000 | Airworthiness Directives; FOKKER B.V. Model F28 Series Airplanes |
| aircraft | Fokker Services | F.28 Mark 2000 | Airworthiness Directives; FOKKER B.V. Model F28 Series Airplanes |
| aircraft | Fokker Services | F.28 Mark 3000 | Airworthiness Directives; FOKKER B.V. Model F28 Series Airplanes |
| aircraft | Fokker Services | F.28 Mark 4000 | Airworthiness Directives; FOKKER B.V. Model F28 Series Airplanes |
Unsafe Condition
Uncontrolled movement of the horizontal stabilizer control unit.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Modify the horizontal stabilizer control unit in accordance with Fokker Service Bulletin F28/27-161. An alternate means of compliance or adjustment may be approved by the Manager, Standardization Branch, ANM-113. Special flight permits may be issued under FAR 21.197 and 21.199.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within 6 months 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 series airplanes as listed in Fokker Service Bulletin F28/27-161, dated May 6, 1985, certificated in any category.
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_86-14-04.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 86-14-04 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; FOKKER B.V. Model F28 Series Airplanes Subject: Horizontal Stabilizer Control Unit Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 08/04/1986 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: 86-14-04 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-5343 AD NUMBER: 86-14-04 SUBJECT HEADING: Airworthiness Directives; FOKKER B.V. Model F28 Series Airplanes ACTION: SUMMARY: DATES: Effective August 4, 1986. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 86-14-04 FOKKER B.V.: Amendment 39-5343. Applies to Model F28 series airplanes as listed in Fokker Service Bulletin F28/27-161, dated May 6, 1985, certificated in any category. Compliance is required within 6 months after the effective date of this AD. To prevent uncontrolled movement of the horizontal stabilizer, accomplish the following, unless previously accomplished: A. Modify the horizontal stabilizer control unit in accordance with Fokker Service Bulletin F28/27-161, dated May 6, 1985. 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 inspections and/or 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 the Manager of Maintenance and Engineering, Fokker B.V., Product Support, P.O. Box 7600, 11172J Schiphol Oost, The Netherlands. 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 August 4, 1986. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_86-14-04.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 86-14-04 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; FOKKER B.V. Model F28 Series Airplanes Subject: Horizontal Stabilizer Control Unit Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 08/04/1986 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: 86-14-04 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-5343 AD NUMBER: 86-14-04 SUBJECT HEADING: Airworthiness Directives; FOKKER B.V. Model F28 Series Airplanes ACTION: SUMMARY: DATES: Effective August 4, 1986. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 86-14-04 FOKKER B.V.: Amendment 39-5343. Applies to Model F28 series airplanes as listed in Fokker Service Bulletin F28/27-161, dated May 6, 1985, certificated in any category. Compliance is required within 6 months after the effective date of this AD. To prevent uncontrolled movement of the horizontal stabilizer, accomplish the following, unless previously accomplished: A. Modify the horizontal stabilizer control unit in accordance with Fokker Service Bulletin F28/27-161, dated May 6, 1985. 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 inspections and/or 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 the Manager of Maintenance and Engineering, Fokker B.V., Product Support, P.O. Box 7600, 11172J Schiphol Oost, The Netherlands. 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 August 4, 1986. 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.