AD 68-02-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | FH1100 Manufacturing Corporation | FH-1100 | Airworthiness Directives, Fairchild-Hiller Model FH-1100 Helicopters |
Unsafe Condition
Fatigue failures of the Cyclic Input Swashplate Ring, P/N 24-34205-3.
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Required Actions
Visually inspect the cyclic input swashplate ring within 10 hours' time in service after the effective date and every 25 hours thereafter. Remove or rework rings with 75+ hours time in service on the effective date within 25 hours, or before 100 hours for others. Modified rings can be used until 750 hours with discontinuation of inspections after satisfactory dye penetrant inspection.
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Compliance Time
Within the next 10 hours' time in service after the effective date of this AD, and thereafter at intervals not to exceed 25 hours' time in service from the last inspection.
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Affected Aircraft
Fairchild-Hiller Model FH-1100 Helicopters, Serial Numbers 9 through 49.
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Federal Register Abstract
Cyclic Input Swashplate Ring
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_68-02-04.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 68-02-04 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives, Fairchild-Hiller Model FH-1100 Helicopters Subject: Cyclic Input Swashplate Ring Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 01/27/1968 Make: FH1100 Manufacturing Corporation Model: FH-1100 Product Type: Aircraft Product Subtype: Rotorcraft Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: Updated RGL applicability to match AD applicability; CAR C-11-185 AIRWORTHINESS DIRECTIVES FINAL RULES: 68-02-04 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-544 AD NUMBER: 68-02-04 SUBJECT HEADING: Airworthiness Directives, Fairchild-Hiller Model FH-1100 Helicopters ACTION: SUMMARY: DATES: Effective January 27, 1968. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 68-02-04 FAIRCHILD-HILLER: Amendment 39-544. Applies to Type FH-1100 Helicopters, Serial Numbers 9 through 49. Compliance required as indicated. To prevent fatigue failures of the Cyclic Input Swashplate Ring, P/N 24-34205-3, accomplish the following: (a) Within the next 10 hours' time in service after the effective date of this AD, unless already accomplished, and thereafter at intervals not to exceed 25 hours' time in service from the last inspection, visually inspect the cyclic input swashplate ring, P/N 24-34205-3, in accordance with Part A (excluding paragraph 5) of Fairchild Hiller Service Information Letter No. 2 dated August 11, 1967, or later revisions approved by the Chief, Engineering & Manufacturing Branch, Federal Aviation Administration, Eastern Region. Equivalent inspections may be approved by an FAA maintenance inspector. (b) If a crack is found, remove the ring from service prior to further flight. (c) Accomplish the following on rings that have not been reworked in accordance with Part B of Fairchild Hiller Service Information Letter No. 2 dated August 11, 1967: (1) Remove from service or rework in accordance with Part B of the aforementioned Letter rings with 75 or more hours time in service on the effective date of this AD within the next 25 hours' time in service. (2) Remove from service or rework in accordance with Part B of the aforementioned Letter all other rings before the accumulation of 100 hours' time in service. (d) Rings which have been modified in accordance with Part B of Fairchild Hiller Service Information Letter No. 2 dated August 11, 1967, or in accordance with any other method approved by the Chief, Engineering & Manufacturing Branch, Federal Aviation Administration, Eastern Region may be continued in service until the accumulation of 750 hours' time in service. The 25-hour repetitive inspection of (a) may be discontinued on modified rings when a satisfactory inspection for cracks has been accomplished on the ring after it has been modified, by the dye penetrant method or an equivalent approved by an FAA maintenance inspector. This AD is effective January 27, 1968. FOOTER:
Document Text
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AD Final Rules - DRS_68-02-04.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 68-02-04 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives, Fairchild-Hiller Model FH-1100 Helicopters Subject: Cyclic Input Swashplate Ring Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 01/27/1968 Make: FH1100 Manufacturing Corporation Model: FH-1100 Product Type: Aircraft Product Subtype: Rotorcraft Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: Updated RGL applicability to match AD applicability; CAR C-11-185 AIRWORTHINESS DIRECTIVES FINAL RULES: 68-02-04 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-544 AD NUMBER: 68-02-04 SUBJECT HEADING: Airworthiness Directives, Fairchild-Hiller Model FH-1100 Helicopters ACTION: SUMMARY: DATES: Effective January 27, 1968. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 68-02-04 FAIRCHILD-HILLER: Amendment 39-544. Applies to Type FH-1100 Helicopters, Serial Numbers 9 through 49. Compliance required as indicated. To prevent fatigue failures of the Cyclic Input Swashplate Ring, P/N 24-34205-3, accomplish the following: (a) Within the next 10 hours' time in service after the effective date of this AD, unless already accomplished, and thereafter at intervals not to exceed 25 hours' time in service from the last inspection, visually inspect the cyclic input swashplate ring, P/N 24-34205-3, in accordance with Part A (excluding paragraph 5) of Fairchild Hiller Service Information Letter No. 2 dated August 11, 1967, or later revisions approved by the Chief, Engineering & Manufacturing Branch, Federal Aviation Administration, Eastern Region. Equivalent inspections may be approved by an FAA maintenance inspector. (b) If a crack is found, remove the ring from service prior to further flight. (c) Accomplish the following on rings that have not been reworked in accordance with Part B of Fairchild Hiller Service Information Letter No. 2 dated August 11, 1967: (1) Remove from service or rework in accordance with Part B of the aforementioned Letter rings with 75 or more hours time in service on the effective date of this AD within the next 25 hours' time in service. (2) Remove from service or rework in accordance with Part B of the aforementioned Letter all other rings before the accumulation of 100 hours' time in service. (d) Rings which have been modified in accordance with Part B of Fairchild Hiller Service Information Letter No. 2 dated August 11, 1967, or in accordance with any other method approved by the Chief, Engineering & Manufacturing Branch, Federal Aviation Administration, Eastern Region may be continued in service until the accumulation of 750 hours' time in service. The 25-hour repetitive inspection of (a) may be discontinued on modified rings when a satisfactory inspection for cracks has been accomplished on the ring after it has been modified, by the dye penetrant method or an equivalent approved by an FAA maintenance inspector. This AD is effective January 27, 1968. FOOTER:
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