AD 71-24-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | FH1100 Manufacturing Corporation | FH-1100 | Airworthiness Directives; Fairchild Hiller Model FH-1100 Helicopters |
Unsafe Condition
Failure of the landing gear torque tube P/N 24-43041 at the skid support attachments.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect and replace if necessary torque tube P/N 24-43041 in accordance with Fairchild Hiller Service Letter SL FH1100-43-1 or FAA-approved revision. Initial inspection within 50 hours in service after the effective date, followed by inspections every 100 hours in service thereafter.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 50 hours in service after the effective date, unless already accomplished within the last 50 hours in service. Subsequent inspections every 100 hours in service thereafter.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
FH1100 Manufacturing Corporation Model FH-1100 helicopters certificated in all categories.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Landing Gear Torque Tube
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_71-24-08.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 71-24-08 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Fairchild Hiller Model FH-1100 Helicopters Subject: Landing Gear Torque Tube Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 11/30/1971 Make: FH1100 Manufacturing Corporation Model: FH-1100 Product Type: Aircraft Product Subtype: Rotorcraft Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: Updated RGL applicability to match AD applicability; CAR C-11-185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: 71-24-08 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-1343 AD NUMBER: 71-24-08 SUBJECT HEADING: Airworthiness Directives; Fairchild Hiller Model FH-1100 Helicopters ACTION: SUMMARY: DATES: Effective November 30, 1971. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 71-24-08 FAIRCHILD HILLER AIRCRAFT: Amdt. 39-1343. Applies to FH1100 Type Helicopters certificated in all categories. Compliance required as indicated. To preclude failure of the landing gear torque tube P/N 24-43041 at the skid support attachments accomplish the following: a. Within the next 50 hours in service after the effective date of this AD, unless already accomplished within the last 50 hours in service, inspect, and replace if necessary, torque tube P/N 24-43041 in accordance with Paragraphs 1 and 2 of Fairchild Hiller Service Letter No. SL FH1100-43-1 dated 5 October 1971 or later FAA approved Revision, or an alternate method approved by the Chief, Engineering & Manufacturing Branch, FAA, Eastern Region. b. Within 100 hours in service after the inspection required by Paragraph a and every 100 hours in service thereafter, inspect and replace if necessary torque tube P/N 24-43041 in accordance with Paragraph 2 of Fairchild Hiller Service Letter SL FH1100-43-1 dated 5 October 1971 or later FAA-approved Revision, or an alternate method approved by the Chief, Engineering & Manufacturing Branch, FAA, Eastern Region. This amendment is effective November 30, 1971. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_71-24-08.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 71-24-08 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Fairchild Hiller Model FH-1100 Helicopters Subject: Landing Gear Torque Tube Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 11/30/1971 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: 71-24-08 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-1343 AD NUMBER: 71-24-08 SUBJECT HEADING: Airworthiness Directives; Fairchild Hiller Model FH-1100 Helicopters ACTION: SUMMARY: DATES: Effective November 30, 1971. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 71-24-08 FAIRCHILD HILLER AIRCRAFT: Amdt. 39-1343. Applies to FH1100 Type Helicopters certificated in all categories. Compliance required as indicated. To preclude failure of the landing gear torque tube P/N 24-43041 at the skid support attachments accomplish the following: a. Within the next 50 hours in service after the effective date of this AD, unless already accomplished within the last 50 hours in service, inspect, and replace if necessary, torque tube P/N 24-43041 in accordance with Paragraphs 1 and 2 of Fairchild Hiller Service Letter No. SL FH1100-43-1 dated 5 October 1971 or later FAA approved Revision, or an alternate method approved by the Chief, Engineering & Manufacturing Branch, FAA, Eastern Region. b. Within 100 hours in service after the inspection required by Paragraph a and every 100 hours in service thereafter, inspect and replace if necessary torque tube P/N 24-43041 in accordance with Paragraph 2 of Fairchild Hiller Service Letter SL FH1100-43-1 dated 5 October 1971 or later FAA-approved Revision, or an alternate method approved by the Chief, Engineering & Manufacturing Branch, FAA, Eastern Region. This amendment is effective November 30, 1971. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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