AD 83-05-08 R1
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | British Aerospace Regional Aircraft | H.P. 137 Jetstream Mk. 1 | Airworthiness Directives; BRITISH AEROSPACE, AIRCRAFT GROUP, SCOTTISH DIVISION Model HP.137 Jetstream MK-1 and Series 200 Airplanes |
| aircraft | British Aerospace Regional Aircraft | Jetstream Series 200 | Airworthiness Directives; BRITISH AEROSPACE, AIRCRAFT GROUP, SCOTTISH DIVISION Model HP.137 Jetstream MK-1 and Series 200 Airplanes |
Unsafe Condition
Defective fuel filter bleed pipe Non-Return-Valve (NRV) Part Number 702CD02 may fail to prevent fuel leakage, leading to potential fuel system malfunction.
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Required Actions
Inspect and test the fuel filter bleed pipe NRV P/N 702CD02 for correct operation per Scottish Aviation Limited Jetstream SB No. 18/3 Rev 1. Replace defective valves before further flight. Adjust inspection intervals up to 10% for maintenance coordination. Inspections are no longer required if Modification No. 5179 is installed.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 20 hours time-in-service after the effective date and thereafter at intervals not to exceed 200 hours time-in-service.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
British Aerospace Aircraft Group Scottish Division Model HP.137 Jetstream MK-1 and Series 200 airplanes (all serial numbers)
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Fuel Filter Bleed Pipe Inspection
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_83-05-08_R.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 83-05-08 R1 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; BRITISH AEROSPACE, AIRCRAFT GROUP, SCOTTISH DIVISION Model HP.137 Jetstrea...Show more Subject: Fuel Filter Bleed Pipe Inspection Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 09/23/1983 Make: British Aerospace Regional Aircraft Model: H.P. 137 Jetstream Mk. 1 | Jetstream Series 200 Product Type: Aircraft Product Subtype: Small/Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 83-05-08 R1 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-4724 AD NUMBER: 83-05-08 R1 SUBJECT HEADING: Airworthiness Directives; BRITISH AEROSPACE, AIRCRAFT GROUP, SCOTTISH DIVISION Model HP.137 Jetstream MK-1 and Series 200 Airplanes ACTION: SUMMARY: DATES: Effective September 23, 1983. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 83-05-08 R1 BRITISH AEROSPACE, AIRCRAFT GROUP, SCOTTISH DIVISION: Amendment 39-4582 as amended by Amendment 39-4724. Applies to Model HP.137 Jetstream MK-1 and Series 200 airplanes (all serial numbers) certificated in any category. COMPLIANCE: Required as indicated, unless already accomplished. To detect defective fuel filter bleed pipe Non-Return-Valve (NRV) Part Number (P/N) 702CD02, unless accomplished in the previous 200 hours time-in-service, within the next 20 hours time-in-service after the effective date of this AD and thereafter at intervals not to exceed 200 hours time-in-service, accomplish the following: a) Remove, inspect, and test the fuel filter bleed pipe NRV P/N 702CD02 for correct operation in accordance with the "Action" section of Scottish Aviation Limited Jetstream SB No. 18/3 Revision 1, March 31, 1983. NOTE: SB No. 18/3, Revision 1, specifies a detailed test procedure to verify that the valve operates as intended. b) If a defective NRV is found, replace the valve prior to further flight. c) The intervals between the repetitive inspections required by this AD may be adjusted up to 10 percent of the specified interval to allow accomplishing these inspections concurrent with other scheduled maintenance of the airplane. d) The inspections required by paragraph a) of this AD are no longer required when British Aerospace Modification No. 5179 is installed. e) Aircraft may be flown in accordance with FAR 21.197 to a location where this AD can be accomplished. f) An equivalent method of compliance with this AD if used must be approved by the Manager, Aircraft Certification Staff, AEU-100, Europe, Africa, and Middle East Office, FAA, c/o American Embassy, 1000 Brussels, Belgium. Amendment 39-4582 became effective on March 17, 1983. This Amendment 39-4724 becomes effective September 23, 1983. FOOTER:
Document Text
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AD Final Rules - DRS_83-05-08_R.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 83-05-08 R1 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; BRITISH AEROSPACE, AIRCRAFT GROUP, SCOTTISH DIVISION Model HP.137 Jetstrea...Show more Subject: Fuel Filter Bleed Pipe Inspection Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 09/23/1983 Make: British Aerospace Regional Aircraft Model: H.P. 137 Jetstream Mk. 1 | Jetstream Series 200 Product Type: Aircraft Product Subtype: Small/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: 83-05-08 R1 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-4724 AD NUMBER: 83-05-08 R1 SUBJECT HEADING: Airworthiness Directives; BRITISH AEROSPACE, AIRCRAFT GROUP, SCOTTISH DIVISION Model HP.137 Jetstream MK-1 and Series 200 Airplanes ACTION: SUMMARY: DATES: Effective September 23, 1983. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 83-05-08 R1 BRITISH AEROSPACE, AIRCRAFT GROUP, SCOTTISH DIVISION: Amendment 39-4582 as amended by Amendment 39-4724. Applies to Model HP.137 Jetstream MK-1 and Series 200 airplanes (all serial numbers) certificated in any category. COMPLIANCE: Required as indicated, unless already accomplished. To detect defective fuel filter bleed pipe Non-Return-Valve (NRV) Part Number (P/N) 702CD02, unless accomplished in the previous 200 hours time-in-service, within the next 20 hours time-in-service after the effective date of this AD and thereafter at intervals not to exceed 200 hours time-in-service, accomplish the following: a) Remove, inspect, and test the fuel filter bleed pipe NRV P/N 702CD02 for correct operation in accordance with the "Action" section of Scottish Aviation Limited Jetstream SB No. 18/3 Revision 1, March 31, 1983. NOTE: SB No. 18/3, Revision 1, specifies a detailed test procedure to verify that the valve operates as intended. b) If a defective NRV is found, replace the valve prior to further flight. c) The intervals between the repetitive inspections required by this AD may be adjusted up to 10 percent of the specified interval to allow accomplishing these inspections concurrent with other scheduled maintenance of the airplane. d) The inspections required by paragraph a) of this AD are no longer required when British Aerospace Modification No. 5179 is installed. e) Aircraft may be flown in accordance with FAR 21.197 to a location where this AD can be accomplished. f) An equivalent method of compliance with this AD if used must be approved by the Manager, Aircraft Certification Staff, AEU-100, Europe, Africa, and Middle East Office, FAA, c/o American Embassy, 1000 Brussels, Belgium. Amendment 39-4582 became effective on March 17, 1983. This Amendment 39-4724 becomes effective September 23, 1983. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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