AD 69-08-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Lycoming Engines | IO-540-G1A5 | LYCOMING ENGINES Model IO-540-G1A5 Engines |
Unsafe Condition
Failure of the engine crankshaft
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Required Actions
Install a placard on the aircraft instrument panel near the manifold pressure gauge stating: 'Do not exceed 24 inches Hg manifold pressure below 2400 rpm'.
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Compliance Time
within the next 10 hours time in service after the effective date of this AD
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Affected Aircraft
Lycoming Engines Model IO-540-G1A5 engines installed with Hartzell HC-A3VK-2A/8433A-7 Propellers
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Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_69-08-09.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 69-08-09 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: LYCOMING ENGINES Model IO-540-G1A5 Engines Subject: Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 04/23/1969 Make: Lycoming Engines Model: IO-540-G1A5 Product Type: Engine Product Subtype: Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 69-08-09 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-751 AD NUMBER: 69-08-09 SUBJECT HEADING: LYCOMING ENGINES Model IO-540-G1A5 Engines ACTION: SUMMARY: DATES: Effective April 23, 1969. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 69-08-09 LYCOMING ENGINES: Amdt. 39-751. Applies to all Lycoming Model IO-540-G1A5 engines installed with Hartzell HC-A3VK-2A/8433A-7 Propellers. Compliance required within the next 10 hours time in service after the effective date of this AD. To prevent failure of the engine crankshaft, install a placard on the aircraft instrument panel in clear view of the pilot and as close as practicable to the manifold pressure gage to read: "Do not exceed 24 inches Hg manifold pressure below 2400 rpm." This amendment is effective April 23, 1969. FOOTER:
Document Text
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AD Final Rules - DRS_69-08-09.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 69-08-09 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: LYCOMING ENGINES Model IO-540-G1A5 Engines Subject: Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 04/23/1969 Make: Lycoming Engines Model: IO-540-G1A5 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: 69-08-09 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-751 AD NUMBER: 69-08-09 SUBJECT HEADING: LYCOMING ENGINES Model IO-540-G1A5 Engines ACTION: SUMMARY: DATES: Effective April 23, 1969. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 69-08-09 LYCOMING ENGINES: Amdt. 39-751. Applies to all Lycoming Model IO-540-G1A5 engines installed with Hartzell HC-A3VK-2A/8433A-7 Propellers. Compliance required within the next 10 hours time in service after the effective date of this AD. To prevent failure of the engine crankshaft, install a placard on the aircraft instrument panel in clear view of the pilot and as close as practicable to the manifold pressure gage to read: "Do not exceed 24 inches Hg manifold pressure below 2400 rpm." This amendment is effective April 23, 1969. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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