AD 89-07-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Saab AB, Saab Aerosystems | 340A (SAAB SF340A) | Airworthiness Directives; SAAB-SCANIA Model SF-340A Series Airplanes |
Unsafe Condition
Arcing in the fuel tanks due to lightning strikes could occur if jumper assemblies are not fitted to the midlevel and tank full optical sensors.
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Required Actions
Within 30 days after the effective date, inspect to determine if jumper assemblies are fitted to the midlevel and tank full optical sensors per SAAB Service Bulletin SF340-28-006. If not installed, prior to further flight, install jumper assemblies and check resistance per the same service bulletin. Alternate compliance may be approved by the Manager, Standardization Branch, ANM-113.
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Compliance Time
Within 30 days after the effective date of this AD, and prior to further flight if jumper assemblies are not installed.
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Affected Aircraft
Saab AB, Saab Aerosystems Model SF-340A series airplanes, serial numbers 003 through 106, except those equipped with mechanical float switches.
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Federal Register Abstract
Jumper Assemblies
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_89-07-04.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 89-07-04 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; SAAB-SCANIA Model SF-340A Series Airplanes Subject: Jumper Assemblies Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 04/26/1989 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Saab AB, Saab Aerosystems Model: 340A (SAAB SF340A) Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 89-07-04 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-6160 AD NUMBER: 89-07-04 SUBJECT HEADING: Airworthiness Directives; SAAB-SCANIA Model SF-340A Series Airplanes ACTION: SUMMARY: DATES: Effective April 26, 1989. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 89-07-04 SAAB-SCANIA: Amendment 39-6160. Applicability: Model SF-340A series airplanes, serial numbers 003 through 106, certificated in any category, except those airplanes equipped with mechanical float switches. Compliance: Required as indicated below, unless previously accomplished. To prevent the potential for arcing in the fuel tanks should a lightning strike occur, accomplish the following: A. Within 30 days after the effective date of this AD, conduct an inspection to determine if the jumper assemblies are fitted to the midlevel and tank full optical sensors, in accordance with SAAB Service Bulletin SF340-28- 006, dated March 23, 1988. B. If optical sensor jumper assemblies have not been installed, prior to further flight, install jumper assemblies and check resistance, in accordance with SAAB Service Bulletin SF340- 28-006, dated March 23, 1988. C. 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. NOTE: The request should be forwarded through an FAA Principal Maintenance Inspector (PMI), who may add any comments and then send it to the Manager, Standardization Branch, ANM-113. D. 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 documents from the manufacturer may obtain copies upon request to SAAB-Scania Aircraft Division, Product Support, S-58188, Linkoping, Sweden. These documents may be examined at the FAA, Northwest Mountain Region, 17900 Pacific Highway South, Seattle, Washington, or at the Seattle Aircraft Certification Office, 9010 East Marginal Way South, Seattle, Washington. This amendment, (39-6160, AD 89-07-04) becomes effective April 26, 1989. FOOTER:
Document Text
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AD Final Rules - DRS_89-07-04.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 89-07-04 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; SAAB-SCANIA Model SF-340A Series Airplanes Subject: Jumper Assemblies Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 04/26/1989 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: 89-07-04 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-6160 AD NUMBER: 89-07-04 SUBJECT HEADING: Airworthiness Directives; SAAB-SCANIA Model SF-340A Series Airplanes ACTION: SUMMARY: DATES: Effective April 26, 1989. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 89-07-04 SAAB-SCANIA: Amendment 39-6160. Applicability: Model SF-340A series airplanes, serial numbers 003 through 106, certificated in any category, except those airplanes equipped with mechanical float switches. Compliance: Required as indicated below, unless previously accomplished. To prevent the potential for arcing in the fuel tanks should a lightning strike occur, accomplish the following: A. Within 30 days after the effective date of this AD, conduct an inspection to determine if the jumper assemblies are fitted to the midlevel and tank full optical sensors, in accordance with SAAB Service Bulletin SF340-28- 006, dated March 23, 1988. B. If optical sensor jumper assemblies have not been installed, prior to further flight, install jumper assemblies and check resistance, in accordance with SAAB Service Bulletin SF340- 28-006, dated March 23, 1988. C. 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. NOTE: The request should be forwarded through an FAA Principal Maintenance Inspector (PMI), who may add any comments and then send it to the Manager, Standardization Branch, ANM-113. D. 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 documents from the manufacturer may obtain copies upon request to SAAB-Scania Aircraft Division, Product Support, S-58188, Linkoping, Sweden. These documents may be examined at the FAA, Northwest Mountain Region, 17900 Pacific Highway South, Seattle, Washington, or at the Seattle Aircraft Certification Office, 9010 East Marginal Way South, Seattle, Washington. This amendment, (39-6160, AD 89-07-04) becomes effective April 26, 1989. FOOTER:
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Retrieved: Apr 8, 2026
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