AD 69-23-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | DaimlerChrysler Aerospace AG | Bolkow Jr. | Airworthiness Directives; Bolkow Model Bolkow Junior Aircraft |
Unsafe Condition
Failures of the lower engine-mounting bolts P/N 298-21093.22 within the next 100 hours' time in service after the effective date of this AD.
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Required Actions
Replace the lower engine-mounting bolts P/N 298-21093.22 with new bolts P/N 208-21093.22 following Messerschmitt-Bolkow Mounting Instructions No. 04/68 or an FAA-approved equivalent.
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Compliance Time
within the next 100 hours' time in service after the effective date of this AD
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Affected Aircraft
Bolkow Model Bolkow Junior Aircraft, Serial Numbers 505 through 684.
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Federal Register Abstract
Lower Engine Mount Bolts
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_69-23-05.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 69-23-05 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Bolkow Model Bolkow Junior Aircraft Subject: Lower Engine Mount Bolts Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 12/11/1969 Make: DaimlerChrysler Aerospace AG Model: Bolkow Jr. Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 69-23-05 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-873 AD NUMBER: 69-23-05 SUBJECT HEADING: Airworthiness Directives; Bolkow Model Bolkow Junior Aircraft ACTION: SUMMARY: DATES: Effective December 11, 1969. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 69-23-05 MESSERSCHMITT-BOLKOW Gmb.H.: Amdt. 39-873. Applies to Bolkow Model Bolkow Junior Aircraft, Serial Numbers 505 through 684. Compliance is required as indicated unless already accomplished. To prevent failures of the lower engine-mounting bolts within the next 100 hours' time in service after the effective date of this AD, replace the lower engine-mounting bolts P/N 298-21093.22 with new bolts P/N 208- 21093.22 in accordance with Messerschmitt-Bolkow Mounting Instructions No. 04/68, dated October, 1968, or an FAA-approved equivalent (Messerschmitt-Bolkow Service Bulletin No. 208-1/68, dated November 14, 1968, covers this same subject). This amendment becomes effective December 11, 1969. FOOTER:
Document Text
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AD Final Rules - DRS_69-23-05.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 69-23-05 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Bolkow Model Bolkow Junior Aircraft Subject: Lower Engine Mount Bolts Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 12/11/1969 Make: DaimlerChrysler Aerospace AG Model: Bolkow Jr. Product Type: Aircraft Product Subtype: Small 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: 69-23-05 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-873 AD NUMBER: 69-23-05 SUBJECT HEADING: Airworthiness Directives; Bolkow Model Bolkow Junior Aircraft ACTION: SUMMARY: DATES: Effective December 11, 1969. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 69-23-05 MESSERSCHMITT-BOLKOW Gmb.H.: Amdt. 39-873. Applies to Bolkow Model Bolkow Junior Aircraft, Serial Numbers 505 through 684. Compliance is required as indicated unless already accomplished. To prevent failures of the lower engine-mounting bolts within the next 100 hours' time in service after the effective date of this AD, replace the lower engine-mounting bolts P/N 298-21093.22 with new bolts P/N 208- 21093.22 in accordance with Messerschmitt-Bolkow Mounting Instructions No. 04/68, dated October, 1968, or an FAA-approved equivalent (Messerschmitt-Bolkow Service Bulletin No. 208-1/68, dated November 14, 1968, covers this same subject). This amendment becomes effective December 11, 1969. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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