AD 86-06-03 R1
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Saab AB, Saab Aerosystems | 340A (SAAB SF340A) | Airworthiness Directives; SAAB-FAIRCHILD Model SF-340A Series Airplanes |
Unsafe Condition
Uncommanded pitch excursions due to flap extension beyond 20 degrees.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Incorporate a limitation in the airplane flight manual prohibiting more than 20 degrees flap extension, install a mechanical stop on the flap handle to limit extension to 20 degrees within 21 days, and consider alternate means of compliance approved by the FAA.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 7 days after the effective date of this AD for the flight manual change, and within the next 21 days after the effective date for the mechanical stop installation.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Saab AB, Saab Aerosystems Model SF-340A series airplanes, serial numbers 003 through 048, inclusive.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
AFM - Flap Extension Setting
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_86-06-03_R.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 86-06-03 R1 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; SAAB-FAIRCHILD Model SF-340A Series Airplanes Subject: AFM - Flap Extension Setting Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 06/17/1988 Make: Saab AB, Saab Aerosystems Model: 340A (SAAB SF340A) Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 86-06-03 R1 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-5917 AD NUMBER: 86-06-03 R1 SUBJECT HEADING: Airworthiness Directives; SAAB-FAIRCHILD Model SF-340A Series Airplanes ACTION: SUMMARY: DATES: Effective June 17, 1988. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 86-06-03 R1 SAAB-FAIRCHILD: Amendment 39-5258 as amended by amendment 39-5917. Applies to Model SF-340A series airplanes, serial numbers 003 through 048, inclusive, certificated in any category. Compliance is required as indicated below, unless previously accomplished. To prevent uncommanded pitch excursions, accomplish the following: 1. Within the next 7 days after the effective date of this AD, incorporate the following into the limitations section of the airplane flight manual: "More than 20 degrees flap is not authorized at any time." This may be accomplished by including a copy of this AD in the airplane flight manual. 2. Within the next 21 days after the effective date of this AD, install a mechanical stop on the flap handle to limit the flap extension to a maximum setting of 20 degrees, in accordance with SAAB-Fairchild Service Bulletin SF340- 27-036, dated February 13, 1986. 3. 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 inspections and/or modifications required by this AD. 4. Alternate means of compliance which provides an acceptable level of safety may be used when approved by the Manager, Standardization Branch, ANM- 113, FAA, Northwest Mountain Region. 5. Installation of Modification 1784 in accordance with SAAB Service Bulletin SF340-27-049, Revision 1, dated July 21, 1987, and Modification 1462 in accordance with SAAB Service Bulletin SF340-55-008, Revision 2, dated March 31, 1988, constitutes terminating action for the requirements of paragraphs 1. and 2., above. All persons affected by this directive who have not already received the appropriate service document from the manufacturer may obtain copies upon request to SAAB-Scania, Product Support, S.58188, Linkoping, Sweden. 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 39-5917 amends AD 86-06-03, Amendment 39-5258. This amendment 39-5917 becomes effective June 17, 1988. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_86-06-03_R.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 86-06-03 R1 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; SAAB-FAIRCHILD Model SF-340A Series Airplanes Subject: AFM - Flap Extension Setting Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 06/17/1988 Make: Saab AB, Saab Aerosystems Model: 340A (SAAB SF340A) 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: 86-06-03 R1 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-5917 AD NUMBER: 86-06-03 R1 SUBJECT HEADING: Airworthiness Directives; SAAB-FAIRCHILD Model SF-340A Series Airplanes ACTION: SUMMARY: DATES: Effective June 17, 1988. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 86-06-03 R1 SAAB-FAIRCHILD: Amendment 39-5258 as amended by amendment 39-5917. Applies to Model SF-340A series airplanes, serial numbers 003 through 048, inclusive, certificated in any category. Compliance is required as indicated below, unless previously accomplished. To prevent uncommanded pitch excursions, accomplish the following: 1. Within the next 7 days after the effective date of this AD, incorporate the following into the limitations section of the airplane flight manual: "More than 20 degrees flap is not authorized at any time." This may be accomplished by including a copy of this AD in the airplane flight manual. 2. Within the next 21 days after the effective date of this AD, install a mechanical stop on the flap handle to limit the flap extension to a maximum setting of 20 degrees, in accordance with SAAB-Fairchild Service Bulletin SF340- 27-036, dated February 13, 1986. 3. 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 inspections and/or modifications required by this AD. 4. Alternate means of compliance which provides an acceptable level of safety may be used when approved by the Manager, Standardization Branch, ANM- 113, FAA, Northwest Mountain Region. 5. Installation of Modification 1784 in accordance with SAAB Service Bulletin SF340-27-049, Revision 1, dated July 21, 1987, and Modification 1462 in accordance with SAAB Service Bulletin SF340-55-008, Revision 2, dated March 31, 1988, constitutes terminating action for the requirements of paragraphs 1. and 2., above. All persons affected by this directive who have not already received the appropriate service document from the manufacturer may obtain copies upon request to SAAB-Scania, Product Support, S.58188, Linkoping, Sweden. 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 39-5917 amends AD 86-06-03, Amendment 39-5258. This amendment 39-5917 becomes effective June 17, 1988. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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