AD 59-22-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Piaggio & C. | P.136-L2 | Airworthiness Directives; Piaggio Model P.136-L2 Aircraft |
Unsafe Condition
Condensed water vapor freezing and obstructing the oil tank breather lines for both right and left engines.
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Required Actions
Reroute the oil tank breather lines for both right and left engines to provide an increased slope in accordance with Piaggio & Co. Change Order No. 36-52.
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Compliance Time
November 30, 1959
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Affected Aircraft
Piaggio & C. Model P.136-L2 Aircraft
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Federal Register Abstract
Oil Breather Lines
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_59-22-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 59-22-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Piaggio Model P.136-L2 Aircraft Subject: Oil Breather Lines Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Piaggio & C. Model: P.136-L2 Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 59-22-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 59-22-01 SUBJECT HEADING: Airworthiness Directives; Piaggio Model P.136-L2 Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 59-22-01 PIAGGIO: Applies to All Model P.136-L2 Aircraft. Compliance required by November 30, 1959. In order to preclude the possibility of condensed water vapor from freezing and obstructing the oil tank breather lines, these lines for both the right and left engines should be rerouted to provide an increased slope in accordance with Piaggio & Co. Change Order No. 36- 52 which covers this same subject. FOOTER:
Document Text
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AD Final Rules - DRS_59-22-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 59-22-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Piaggio Model P.136-L2 Aircraft Subject: Oil Breather Lines Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Piaggio & C. Model: P.136-L2 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: 59-22-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 59-22-01 SUBJECT HEADING: Airworthiness Directives; Piaggio Model P.136-L2 Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 59-22-01 PIAGGIO: Applies to All Model P.136-L2 Aircraft. Compliance required by November 30, 1959. In order to preclude the possibility of condensed water vapor from freezing and obstructing the oil tank breather lines, these lines for both the right and left engines should be rerouted to provide an increased slope in accordance with Piaggio & Co. Change Order No. 36- 52 which covers this same subject. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.
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