| AD Number | 71-05-01 | Status | Active |
| Effective Date | February 23, 1971 | Issue Date | Not specified |
| Docket Number | Unknown | Amendment | 39-1157 |
| Product Type | ["Aircraft"] | Product Subtype | ["Rotorcraft"] |
| CFR Part | --- - Part 39 | CFR Section | N/A |
| Citation | This information is not available. | ||
| Manufacturer(s) | Sikorsky Aircraft Corporation |
| Model(s) | S-61A S-61D S-61E S-61L S-61N S-61NM S-61R S-61V |
71-05-01 SIKORSKY: Amdt. 39-1157. Applies to S-61 Type Helicopters Certified in all Categories.
Compliance required as follows:
To preclude the possibility of failure of the S-61 Main Landing Gear Axle, P/N 6125-50115-0, unless already accomplished, inspect and replace the axle in accordance with paragraph 2, Accomplishment Instructions of Sikorsky Service Bulletin 61B25-3 dated 15 January 1971 or later FAA-approved revision or an alternate method approved by the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region.
Report results of above inspection in compliance with this AD to Chief, Engineering and Manufacturing Branch, FAA, Eastern Region (Reporting Approved by Bureau of the Budget under BOB No. 04-R0174.)
Replacement axle P/N S6125-50115-2 has a service life of 242,550 landings.
This amendment is effective February 23, 1971.