AD 80-02-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Rolls-Royce Limited, Bristol Engines Division | Viper Mk. 601-22 | ROLLS ROYCE LIMITED Model Viper MK 601-22 Engines |
Unsafe Condition
Failure of the flexible fuel hose assembly, Rolls Royce P/N DX 33-180-300.
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Required Actions
Remove the flexible fuel hose assembly (P/N DX 33-180-300) and install a new flexible fuel hose assembly (P/N V 103813) in accordance with Rolls Royce Service Bulletin No. 73-A17 dated June 1978 or an equivalent approved by the Chief, Aircraft Certification Staff, AEU-100.
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Compliance Time
Within 250 hours engine time in service after the effective date of this AD
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Affected Aircraft
Rolls-Royce Limited, Bristol Engines Division Viper Mk. 601-22 engines installed in, but not limited to, Hawker Siddeley HS 125 series 600A and Beechcraft Hawker Siddeley BH 125 series 600A aircraft.
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Federal Register Abstract
Flexible Fuel Hose Assembly
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_80-02-05.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 80-02-05 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: ROLLS ROYCE LIMITED Model Viper MK 601-22 Engines Subject: Flexible Fuel Hose Assembly Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 01/24/1980 Make: Rolls-Royce Limited, Bristol Engines Division Model: Viper Mk. 601-22 Product Type: Engine Product Subtype: Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 80-02-05 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-3655 AD NUMBER: 80-02-05 SUBJECT HEADING: ROLLS ROYCE LIMITED Model Viper MK 601-22 Engines ACTION: SUMMARY: DATES: Effective January 24, 1980. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 80-02-05 ROLLS ROYCE LIMITED: Amendment 39-3655. Applies to Viper MK 601-22 model engine as installed in, but not limited to, Hawker Siddeley HS 125 series 600A and Beechcraft Hawker Siddeley BH 125 series 600A aircraft. Compliance is required as indicated unless already accomplished. To prevent possible failure of the flexible fuel hose, accomplish the following: (a) Within 250 hours engine time in service after the effective date of this AD, remove the flexible fuel hose assembly, Rolls Royce P/N DX 33-180-300 and install a new flexible fuel hose assembly, Rolls Royce P/N V 103813, in accordance with paragraph 2.A., "Accomplishment Instructions," of Rolls Royce Service Bulletin No. 73-A17, dated June 1978, or an equivalent approved by the Chief, Aircraft Certification Staff, AEU-100, Europe, Africa and Middle East Region, Brussels, Belgium. (b) Upon request of an operator, an FAA Maintenance Inspector may adjust the compliance time specified in paragraph (a) of this AD to be compatible with that operator's maintenance schedule. This amendment becomes effective January 24, 1980. FOOTER:
Document Text
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AD Final Rules - DRS_80-02-05.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 80-02-05 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: ROLLS ROYCE LIMITED Model Viper MK 601-22 Engines Subject: Flexible Fuel Hose Assembly Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 01/24/1980 Make: Rolls-Royce Limited, Bristol Engines Division Model: Viper Mk. 601-22 Product Type: Engine Product Subtype: Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 80-02-05 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-3655 AD NUMBER: 80-02-05 SUBJECT HEADING: ROLLS ROYCE LIMITED Model Viper MK 601-22 Engines ACTION: SUMMARY: DATES: Effective January 24, 1980. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 80-02-05 ROLLS ROYCE LIMITED: Amendment 39-3655. Applies to Viper MK 601-22 model engine as installed in, but not limited to, Hawker Siddeley HS 125 series 600A and Beechcraft Hawker Siddeley BH 125 series 600A aircraft. Compliance is required as indicated unless already accomplished. To prevent possible failure of the flexible fuel hose, accomplish the following: (a) Within 250 hours engine time in service after the effective date of this AD, remove the flexible fuel hose assembly, Rolls Royce P/N DX 33-180-300 and install a new flexible fuel hose assembly, Rolls Royce P/N V 103813, in accordance with paragraph 2.A., "Accomplishment Instructions," of Rolls Royce Service Bulletin No. 73-A17, dated June 1978, or an equivalent approved by the Chief, Aircraft Certification Staff, AEU-100, Europe, Africa and Middle East Region, Brussels, Belgium. (b) Upon request of an operator, an FAA Maintenance Inspector may adjust the compliance time specified in paragraph (a) of this AD to be compatible with that operator's maintenance schedule. This amendment becomes effective January 24, 1980. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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