AD 75-04-02
final rule
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Orlando Helicopter Airways, Inc. | Sikorsky Aircraft Corporation | CH-19E | Airworthiness Directives; Sikorsky Models S-55, S-55B, S-55C, and S-62A Helicopters Including Military Types HRS-1, HRS-3, CH-19, H-19B, H-19G, H-19A, H-19D, HO4S-3G, UH-19D, H19D5, UH-19B, and UH-19D Helicopters |
| aircraft | Orlando Helicopter Airways, Inc. | Sikorsky Aircraft Corporation | H-19A | Airworthiness Directives; Sikorsky Models S-55, S-55B, S-55C, and S-62A Helicopters Including Military Types HRS-1, HRS-3, CH-19, H-19B, H-19G, H-19A, H-19D, HO4S-3G, UH-19D, H19D5, UH-19B, and UH-19D Helicopters |
| aircraft | Orlando Helicopter Airways, Inc. | Sikorsky Aircraft Corporation | H-19D | Airworthiness Directives; Sikorsky Models S-55, S-55B, S-55C, and S-62A Helicopters Including Military Types HRS-1, HRS-3, CH-19, H-19B, H-19G, H-19A, H-19D, HO4S-3G, UH-19D, H19D5, UH-19B, and UH-19D Helicopters |
| aircraft | Orlando Helicopter Airways, Inc. | Sikorsky Aircraft Corporation | H-19G | Airworthiness Directives; Sikorsky Models S-55, S-55B, S-55C, and S-62A Helicopters Including Military Types HRS-1, HRS-3, CH-19, H-19B, H-19G, H-19A, H-19D, HO4S-3G, UH-19D, H19D5, UH-19B, and UH-19D Helicopters |
| aircraft | Orlando Helicopter Airways, Inc. | Sikorsky Aircraft Corporation | HRS-1/CH-19 | Airworthiness Directives; Sikorsky Models S-55, S-55B, S-55C, and S-62A Helicopters Including Military Types HRS-1, HRS-3, CH-19, H-19B, H-19G, H-19A, H-19D, HO4S-3G, UH-19D, H19D5, UH-19B, and UH-19D Helicopters |
| aircraft | Orlando Helicopter Airways, Inc. | Sikorsky Aircraft Corporation | HRS-3/H-19B | Airworthiness Directives; Sikorsky Models S-55, S-55B, S-55C, and S-62A Helicopters Including Military Types HRS-1, HRS-3, CH-19, H-19B, H-19G, H-19A, H-19D, HO4S-3G, UH-19D, H19D5, UH-19B, and UH-19D Helicopters |
| aircraft | Orlando Helicopter Airways, Inc. | Sikorsky Aircraft Corporation | UH-19D | Airworthiness Directives; Sikorsky Models S-55, S-55B, S-55C, and S-62A Helicopters Including Military Types HRS-1, HRS-3, CH-19, H-19B, H-19G, H-19A, H-19D, HO4S-3G, UH-19D, H19D5, UH-19B, and UH-19D Helicopters |
| aircraft | Orlando Helicopter Airways, Inc. | Sikorsky Aircraft Corporation | S-55 | Airworthiness Directives; Sikorsky Models S-55, S-55B, S-55C, and S-62A Helicopters Including Military Types HRS-1, HRS-3, CH-19, H-19B, H-19G, H-19A, H-19D, HO4S-3G, UH-19D, H19D5, UH-19B, and UH-19D Helicopters |
| aircraft | Orlando Helicopter Airways, Inc. | Sikorsky Aircraft Corporation | S-55B | Airworthiness Directives; Sikorsky Models S-55, S-55B, S-55C, and S-62A Helicopters Including Military Types HRS-1, HRS-3, CH-19, H-19B, H-19G, H-19A, H-19D, HO4S-3G, UH-19D, H19D5, UH-19B, and UH-19D Helicopters |
| aircraft | Orlando Helicopter Airways, Inc. | Sikorsky Aircraft Corporation | S-55C | Airworthiness Directives; Sikorsky Models S-55, S-55B, S-55C, and S-62A Helicopters Including Military Types HRS-1, HRS-3, CH-19, H-19B, H-19G, H-19A, H-19D, HO4S-3G, UH-19D, H19D5, UH-19B, and UH-19D Helicopters |
| aircraft | Orlando Helicopter Airways, Inc. | Sikorsky Aircraft Corporation | S62A | Airworthiness Directives; Sikorsky Models S-55, S-55B, S-55C, and S-62A Helicopters Including Military Types HRS-1, HRS-3, CH-19, H-19B, H-19G, H-19A, H-19D, HO4S-3G, UH-19D, H19D5, UH-19B, and UH-19D Helicopters |
Unsafe Condition
Cracks in the exposed areas of the lugs of main rotor spindles P/N S10-10-3325-1 and S10-10-3325-2.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Conduct a dye penetrant inspection of the exposed areas of the lugs of main rotor spindles within 10 hours' time in service after the effective date. If cracks are found, replace the cracked spindle with an inspected and crack-free spindle before flight. Report any cracks found to the specified FAA office with details on crack length, location, and spindle total time in service.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within 10 hours' time in service after the effective date of this AD
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Sikorsky Models S-55, S-55B, S-55C, and S-62A Helicopters including military types HRS-1, HRS-3, CH-19, H-19B, H-19G, H-19A, H-19D, HO4S-3G, UH-19D, H19D5, UH-19B, and UH-19D, equipped with P/N S10-10-3325-1 and S10-10-3325-2 main rotor spindles.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Main Rotor Spindles
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_75-04-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 75-04-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Sikorsky Models S-55, S-55B, S-55C, and S-62A Helicopters Including Milita...Show more Subject: Main Rotor Spindles Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 02/19/1975 Make: Orlando Helicopter Airways, Inc. | Sikorsky Aircraft Corporation Model: CH-19E | H-19A | H-19D | H-19G | HRS-1/CH-19 | HRS-3/H-19B | UH-19D | S-55 | S-55B | S-55C | S62A 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: 75-04-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2082 AD NUMBER: 75-04-02 SUBJECT HEADING: Airworthiness Directives; Sikorsky Models S-55, S-55B, S-55C, and S-62A Helicopters Including Military Types HRS-1, HRS-3, CH-19, H-19B, H-19G, H-19A, H-19D, HO4S-3G, UH-19D, H19D5, UH-19B, and UH-19D Helicopters ACTION: SUMMARY: DATES: Effective February 19, 1975. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 75-04-02 SIKORSKY AIRCRAFT: Amendment 39-2082. Applies to S-55, S-55B, S-55C and S-62A Helicopters certificated in all categories, including military type HRS-1, HRS-3, CH-19, H-19B, H-19G, H-19A, H-19D, HO4S-3G, UH-19D, H19D5, UH-19B, UH-19D helicopters, equipped with P/N S10-10-3325-1 and S10-10-3325-2 main rotor spindles. (a) Within the next 10 hours' time in service after the effective date of this AD, unless already accomplished within the preceding 50 hours' time in service, conduct a dye penetrant inspection of the exposed areas of the lugs of the main rotor spindles. (b) If a crack is found during the above inspection, replace the cracked spindle with a spindle that has been inspected in accordance with paragraph (a) above and found to be free of cracks, prior to flight. (c) Report in writing any cracks found during the inspection of paragraph (a) to: Chief, Engineering and Manufacturing Branch, Federal Aviation Administration, New England Region, 12 New England Executive Park, Burlington, Massachusetts 01803. Each report must include the length and location of the cracks and the total time in service of the spindle. Sikorsky message SST62A6C74.3 covers this inspection. This amendment becomes effective February 19, 1975. FOOTER:
Document Text
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AD Final Rules - DRS_75-04-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 75-04-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Sikorsky Models S-55, S-55B, S-55C, and S-62A Helicopters Including Milita...Show more Subject: Main Rotor Spindles Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 02/19/1975 Make: Orlando Helicopter Airways, Inc. | Sikorsky Aircraft Corporation Model: CH-19E | H-19A | H-19D | H-19G | HRS-1/CH-19 | HRS-3/H-19B | UH-19D | S-55 | S-55B | S-55C | S62A 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: 75-04-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2082 AD NUMBER: 75-04-02 SUBJECT HEADING: Airworthiness Directives; Sikorsky Models S-55, S-55B, S-55C, and S-62A Helicopters Including Military Types HRS-1, HRS-3, CH-19, H-19B, H-19G, H-19A, H-19D, HO4S-3G, UH-19D, H19D5, UH-19B, and UH-19D Helicopters ACTION: SUMMARY: DATES: Effective February 19, 1975. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 75-04-02 SIKORSKY AIRCRAFT: Amendment 39-2082. Applies to S-55, S-55B, S-55C and S-62A Helicopters certificated in all categories, including military type HRS-1, HRS-3, CH-19, H-19B, H-19G, H-19A, H-19D, HO4S-3G, UH-19D, H19D5, UH-19B, UH-19D helicopters, equipped with P/N S10-10-3325-1 and S10-10-3325-2 main rotor spindles. (a) Within the next 10 hours' time in service after the effective date of this AD, unless already accomplished within the preceding 50 hours' time in service, conduct a dye penetrant inspection of the exposed areas of the lugs of the main rotor spindles. (b) If a crack is found during the above inspection, replace the cracked spindle with a spindle that has been inspected in accordance with paragraph (a) above and found to be free of cracks, prior to flight. (c) Report in writing any cracks found during the inspection of paragraph (a) to: Chief, Engineering and Manufacturing Branch, Federal Aviation Administration, New England Region, 12 New England Executive Park, Burlington, Massachusetts 01803. Each report must include the length and location of the cracks and the total time in service of the spindle. Sikorsky message SST62A6C74.3 covers this inspection. This amendment becomes effective February 19, 1975. FOOTER:
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