| AD Number | 78-05-01 | Status | Active |
| Effective Date | March 31, 1978 | Issue Date | Not specified |
| Docket Number | Unknown | Amendment | 39-3146 |
| 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-58BT S-58DT S-58ET S-58FT S-58HT S-58JT |
78-05-01 SIKORSKY AIRCRAFT: Amendment 39-3146. Applies to all Model S-58T series helicopters.
Compliance required prior to May 25, 1978.
To preclude possible fuel starvation of the PT6T-3 and PT6T-6 engines resulting from oil-to-fuel heater contamination, relocate the impending fuel bypass sensor lines on both engine power sections in accordance with the instructions set forth in Part II, Paragraph A, of Sikorsky Service Bulletin No. 58B30-12C, dated January 12, 1976.
This amendment becomes effective March 31, 1978.