AD 63-22-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Industrie Aeronautiche e Meccaniche | P.166 | Airworthiness Directives; PIAGGIO Model P.166 Aircraft |
Unsafe Condition
Failures of the main landing gear shock absorber
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Required Actions
Install Teflon sealing gasket P/N 4/22015.52 on inner ring nut of shock absorber casing; replace light alloy piston bottom with steel P/N 4/22015.55; replace ring nut with P/N 4/22015.56; mark nameplate with letter 'D'; overhaul shock absorbers every 1,200 hours' time in service or every 2 years, whichever occurs first.
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Compliance Time
within 50 hours' time in service after the effective date of this AD
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Affected Aircraft
All Model P.166 Aircraft manufactured by Industrie Aeronautiche e Meccaniche
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Federal Register Abstract
Main Landing Gear Shock Absorber
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_63-22-04.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 63-22-04 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; PIAGGIO Model P.166 Aircraft Subject: Main Landing Gear Shock Absorber Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 12/02/1963 Make: Industrie Aeronautiche e Meccaniche Model: P.166 Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 63-22-04 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 63-22-04 SUBJECT HEADING: Airworthiness Directives; PIAGGIO Model P.166 Aircraft ACTION: SUMMARY: DATES: ; Effective December 2, 1963. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 63-22-04 PIAGGIO: Amdt. 635 Part 507 Federal Register October 30, 1963. Applies to All Model P.166 Aircraft. Compliance required within 50 hours' time in service after the effective date of this AD. As a result of failures of the main landing gear shock absorber the following modifications must be accomplished in the manner specified in Piaggio Service Bulletin 166- 25A. (a) Install Teflon sealing gasket P/N 4/22015.52 on inner ring nut of shock absorber casing. (b) Replace light alloy piston bottom with steel P/N 4/22015.55. (c) Replace the present ring nut with P/N 4/22015.56. (d) Shock absorbers modified as specified herein shall have a letter "D" placed on the nameplate. (e) Shock absorbers modified as specified herein shall be overhauled every 1,200 hours' time in service or every 2 years, whichever occurs first. This directive effective December 2, 1963 FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_63-22-04.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 63-22-04 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; PIAGGIO Model P.166 Aircraft Subject: Main Landing Gear Shock Absorber Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 12/02/1963 Make: Industrie Aeronautiche e Meccaniche Model: P.166 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: 63-22-04 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 63-22-04 SUBJECT HEADING: Airworthiness Directives; PIAGGIO Model P.166 Aircraft ACTION: SUMMARY: DATES: ; Effective December 2, 1963. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 63-22-04 PIAGGIO: Amdt. 635 Part 507 Federal Register October 30, 1963. Applies to All Model P.166 Aircraft. Compliance required within 50 hours' time in service after the effective date of this AD. As a result of failures of the main landing gear shock absorber the following modifications must be accomplished in the manner specified in Piaggio Service Bulletin 166- 25A. (a) Install Teflon sealing gasket P/N 4/22015.52 on inner ring nut of shock absorber casing. (b) Replace light alloy piston bottom with steel P/N 4/22015.55. (c) Replace the present ring nut with P/N 4/22015.56. (d) Shock absorbers modified as specified herein shall have a letter "D" placed on the nameplate. (e) Shock absorbers modified as specified herein shall be overhauled every 1,200 hours' time in service or every 2 years, whichever occurs first. This directive effective December 2, 1963 FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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