AD 75-22-19
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Aermacchi S.p.A. | F.260 | Airworthiness Directives; Siai-Marchetti Models F.260 and F.260B Airplanes |
| aircraft | Aermacchi S.p.A. | F.260B | Airworthiness Directives; Siai-Marchetti Models F.260 and F.260B Airplanes |
Unsafe Condition
Failure of the main landing gear due to cracks in the landing gear bellcrank pivot bolts P/N 260-14-35-1.
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Required Actions
Perform a magnetic particle inspection of the landing gear bellcrank pivot bolts P/N 260-14-35-1 within the specified timeframe. Replace the pivot bolts and bushings with modified parts P/N 260-14-35-3 and P/N 260-14-17-5 if cracks are found or as required after inspection.
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Compliance Time
Within the next 10 hours' time in service after the effective date of this AD, or before the accumulation of 300 hours total aircraft time in service, whichever occurs later
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Affected Aircraft
Siai-Marchetti Models F.260 and F.260B airplanes, Serial Numbers 101 thru 125, 2-26 thru 2-52 (except S/N 2-33, 2-47, 2-50, and 2-51), 3-76, 3-77, and 502, certificated in all categories.
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Federal Register Abstract
Main Landing Gear
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_75-22-19.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 75-22-19 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Siai-Marchetti Models F.260 and F.260B Airplanes Subject: Main Landing Gear Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 10/27/1975 Make: Aermacchi S.p.A. Model: F.260 | F.260B Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 75-22-19 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2388 AD NUMBER: 75-22-19 SUBJECT HEADING: Airworthiness Directives; Siai-Marchetti Models F.260 and F.260B Airplanes ACTION: SUMMARY: DATES: Effective October 27, 1975. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 75-22-19 SIAI-MARCHETTI: Amendment 39-2388. Applies to F.260 and F.260B airplanes, Serial Numbers 101 thru 125, 2-26 thru 2-52 (except S/N 2-33, 2-47, 2-50, and 2-51), 3-76, 3-77, and 502, certificated in all categories. Compliance is required as indicated, unless already accomplished. To prevent failure of the main landing gear, accomplish the following: (a) Within the next 10 hours' time in service after the effective date of this AD, or before the accumulation of 300 hours total aircraft time in service, whichever occurs later, perform a magnetic particle inspection of the landing gear bellcrank pivot bolts, P/N 260-14-35- 1, in accordance with SIAI Marchetti Service Bulletin S.B. No. 260B7, dated August 27, 1971, or an FAA-approved equivalent. (b) If cracks are found, before further flight, comply with paragraph (d) of this AD. (c) If no cracks are found, comply with paragraph (d) of this AD within the next 100 hours' time in service after the inspection. (d) Where required by paragraph (b) or (c) of this AD, replace the pivot bolts P/N 260-14-35-1 and bushings P/N 260-14-17-3 with modified bolts P/N 260-14-35-3 and modified bushings P/N 260-14-17-5 in accordance with SIAI Marchetti Service Bulletin S.B. No. 260B8, dated September 18, 1971, or an FAA-approved equivalent. This amendment becomes effective October 27, 1975. FOOTER:
Document Text
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AD Final Rules - DRS_75-22-19.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 75-22-19 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Siai-Marchetti Models F.260 and F.260B Airplanes Subject: Main Landing Gear Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 10/27/1975 Make: Aermacchi S.p.A. Model: F.260 | F.260B 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: 75-22-19 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2388 AD NUMBER: 75-22-19 SUBJECT HEADING: Airworthiness Directives; Siai-Marchetti Models F.260 and F.260B Airplanes ACTION: SUMMARY: DATES: Effective October 27, 1975. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 75-22-19 SIAI-MARCHETTI: Amendment 39-2388. Applies to F.260 and F.260B airplanes, Serial Numbers 101 thru 125, 2-26 thru 2-52 (except S/N 2-33, 2-47, 2-50, and 2-51), 3-76, 3-77, and 502, certificated in all categories. Compliance is required as indicated, unless already accomplished. To prevent failure of the main landing gear, accomplish the following: (a) Within the next 10 hours' time in service after the effective date of this AD, or before the accumulation of 300 hours total aircraft time in service, whichever occurs later, perform a magnetic particle inspection of the landing gear bellcrank pivot bolts, P/N 260-14-35- 1, in accordance with SIAI Marchetti Service Bulletin S.B. No. 260B7, dated August 27, 1971, or an FAA-approved equivalent. (b) If cracks are found, before further flight, comply with paragraph (d) of this AD. (c) If no cracks are found, comply with paragraph (d) of this AD within the next 100 hours' time in service after the inspection. (d) Where required by paragraph (b) or (c) of this AD, replace the pivot bolts P/N 260-14-35-1 and bushings P/N 260-14-17-3 with modified bolts P/N 260-14-35-3 and modified bushings P/N 260-14-17-5 in accordance with SIAI Marchetti Service Bulletin S.B. No. 260B8, dated September 18, 1971, or an FAA-approved equivalent. This amendment becomes effective October 27, 1975. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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