AD 92-07-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Saab AB, Saab Aerosystems | 340A (SAAB SF340A) | Airworthiness Directives; SAAB-SCANIA Model SF-340 Series Airplanes |
Unsafe Condition
Unexpected loss of nose wheel steering and brakes during taxi due to the main/emergency dual pressure indicator 3DB, Part Number 522796.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove main/emergency dual pressure indicator 3DB, Part Number 522796 and install main/emergency dual pressure indicator 3DB, Part Number 523250 in accordance with SAAB Service Bulletin SF340-29-004, Revision 1, dated November 9, 1990.
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
Model SF-340 series airplanes, Serial Numbers 003 through 138, certificated in any category.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Main/Emergency Dual Pressure Indicator
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_92-07-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 92-07-01 Document Type: AD Final Rules Docket Number: 91-NM-53-AD Subject Heading: Airworthiness Directives; SAAB-SCANIA Model SF-340 Series Airplanes Subject: Main/Emergency Dual Pressure Indicator Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 04/28/1992 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Saab AB, Saab Aerosystems Model: 340A (SAAB SF340A) Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: Updated RGL applicability to match AD applicability; CAR C-11-185 AIRWORTHINESS DIRECTIVES FINAL RULES: 92-07-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: 91-NM-53-AD AMENDMENT: 39-8197 AD NUMBER: 92-07-01 SUBJECT HEADING: Airworthiness Directives; SAAB-SCANIA Model SF-340 Series Airplanes ACTION: Final rule SUMMARY: DATES: Effective April 28, 1992. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 92-07-01 SAAB-SCANIA: Amendment 39-8197. Docket No. 91-NM-53-AD. Applicability: Model SF-340 series airplanes, Serial Numbers 003 through 138, certificated in any category. Compliance: Required within one year after the effective date of this AD, unless previously accomplished. To prevent unexpected loss of nose wheel steering and brakes during taxi, accomplish the following: (a) Remove main/emergency dual pressure indicator 3DB, Part Number (P/N) 522796 and install main/emergency dual pressure indicator 3DB, P/N 523250, in accordance with SAAB Service Bulletin SF340-29-004, Revision 1, dated November 9, 1990. (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, Standardization Branch, ANM- 113, FAA, Transport Airplane Directorate. NOTE: The request shall be forwarded through an FAA Principal Maintenance Inspector, who may concur or comment and then send it to the Manager, Standardization Branch, ANM-113. (c) Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate the airplanes to a location where the requirements of this AD can be accomplished. (d) The installation shall be done in accordance with SAAB-Scania Service Bulletin SF340- 29-004, Revision 1, dated November 9, 1990, which includes the following list of effective pages: Page Number Revision Level Date 1, 2, 4, 5 1 November 9, 1990 3 (Original) September 15, 1988 This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR Part 51. Copies may be obtained from SAAB-Scania AB, Product Support, S- 581.88, Linkoping, Sweden. Copies may be inspected at the FAA, Transport Airplane Directorate, 1601 Lind Avenue SW., Renton, Washington; or at the Office of the Federal Register, 1100 L Street NW., Room 8401, Washington, DC. (e) This amendment becomes effective on April 28, 1992. FOOTER:
Document Text
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AD Final Rules - DRS_92-07-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 92-07-01 Document Type: AD Final Rules Docket Number: 91-NM-53-AD Subject Heading: Airworthiness Directives; SAAB-SCANIA Model SF-340 Series Airplanes Subject: Main/Emergency Dual Pressure Indicator Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 04/28/1992 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: Updated RGL applicability to match AD applicability; CAR C-11-185 AIRWORTHINESS DIRECTIVES FINAL RULES: 92-07-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: 91-NM-53-AD AMENDMENT: 39-8197 AD NUMBER: 92-07-01 SUBJECT HEADING: Airworthiness Directives; SAAB-SCANIA Model SF-340 Series Airplanes ACTION: Final rule SUMMARY: DATES: Effective April 28, 1992. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 92-07-01 SAAB-SCANIA: Amendment 39-8197. Docket No. 91-NM-53-AD. Applicability: Model SF-340 series airplanes, Serial Numbers 003 through 138, certificated in any category. Compliance: Required within one year after the effective date of this AD, unless previously accomplished. To prevent unexpected loss of nose wheel steering and brakes during taxi, accomplish the following: (a) Remove main/emergency dual pressure indicator 3DB, Part Number (P/N) 522796 and install main/emergency dual pressure indicator 3DB, P/N 523250, in accordance with SAAB Service Bulletin SF340-29-004, Revision 1, dated November 9, 1990. (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, Standardization Branch, ANM- 113, FAA, Transport Airplane Directorate. NOTE: The request shall be forwarded through an FAA Principal Maintenance Inspector, who may concur or comment and then send it to the Manager, Standardization Branch, ANM-113. (c) Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate the airplanes to a location where the requirements of this AD can be accomplished. (d) The installation shall be done in accordance with SAAB-Scania Service Bulletin SF340- 29-004, Revision 1, dated November 9, 1990, which includes the following list of effective pages: Page Number Revision Level Date 1, 2, 4, 5 1 November 9, 1990 3 (Original) September 15, 1988 This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR Part 51. Copies may be obtained from SAAB-Scania AB, Product Support, S- 581.88, Linkoping, Sweden. Copies may be inspected at the FAA, Transport Airplane Directorate, 1601 Lind Avenue SW., Renton, Washington; or at the Office of the Federal Register, 1100 L Street NW., Room 8401, Washington, DC. (e) This amendment becomes effective on April 28, 1992. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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