| AD Number | 67-29-07 | Status | Active |
| Effective Date | November 03, 1967 | Issue Date | Not specified |
| Docket Number | Unknown | Amendment | 39-504 |
| Product Type | ["Aircraft"] | Product Subtype | ["Rotorcraft"] |
| CFR Part | --- - Part 39 | CFR Section | N/A |
| Citation | This information is not available. | ||
| Manufacturer(s) | Orlando Helicopter Airways, Inc. Sikorsky Aircraft Corporation |
| Model(s) | HRS-1/CH-19 HRS-3/H-19B S-55 S-55B S-55C |
67-29-07 SIKORSKY: Amdt. 39-504 Part 39 Federal Register November 3, 1967. Applies to Type S-55 Helicopters equipped with Wright R-1300 engines (Restricted and Normal Category).
Compliance required as indicated.
To prevent fatigue failure of the azimuth control rod assembly, P/N S1440-2105-1, accomplish the following:
(a) Remove from service all control rod assemblies, P/N S1440-2105-1, with 725 or more hours' time in service on the effective date of this AD within the next 25 hours' time in service.
(b) Remove from service all other control rod assemblies P/N S1440-2105-1, before the accumulation of 750 hours' time in service.
(c) Within the next 15 hours' time in service after the effective date of this AD, unless already accomplished, and thereafter at intervals not to exceed 50 hours' time in service from the last inspection, inspect the control rod assembly in accordance with paragraph B of Sikorsky Service Bulletin No. 55B40-5, dated October 18, 1967, or later revisions approved by the Chief, Engineering and Manufacturing Branch, Federal Aviation Administration, Eastern Region. Equivalent inspections may be approved by an FAA maintenance inspector.
This amendment effective November 3, 1967.