- Effective
- January 2, 1975
- Models
- JT15D-1, JT15D-4
- Registered aircraft
- 516 matched by model
- Product
- Engine
- Amendment
- 39-2046
Unofficial copy of the text in the FAA’s Dynamic Regulatory System. The FAA’s own copy is the authoritative one. DRS record last changed May 30, 2024.
Copies of the files this page was built from, with their SHA-256. Retrieved October 18, 2026.
| File | Size | SHA-256 | Original |
|---|---|---|---|
| FAA DRS HTML | 20 KB | b9c2f559…0e15ff6 | FAA DRS (API key needed) |
On this page
The airworthiness directive
74-26-05 PRATT & WHITNEY AIRCRAFT and UNITED AIRCRAFT OF CANADA, LIMITED: Amendment 39-2046. Applies to all Pratt & Whitney Aircraft and United Aircraft of Canada Limited JT15D-1 and JT15D-4 turbofan engines containing fuel control P/Ns 3022332 and 3023349.
Compliance required within the next 25 hours time in service after the effective date of this AD unless already accomplished.
To prevent fuel leaks, inspect fuel control units for possible interference between the fuel outlet housing and the fuel control main body by placing a .003 inch feeler gage between the mating faces of the fuel outlet housing (P/N 3240082) and the fuel control main body (P/N 3240451). If the feeler gage can be inserted between the mating faces, replace fuel control with dimensionally correct fuel control prior to next flight.
United Aircraft of Canada Limited's Special Instruction No. 3-74, dated September 20, 1974, pertains to this subject.
This amendment becomes effective January 2,1975.
Registered aircraft · 516
Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.
| 1950 | 1 |
|---|---|
| 1971 | 1 |
| 1972 | 7 |
| 1973 | 9 |
| 1974 | 8 |
| 1975 | 6 |
| 1976 | 2 |
| 1977 | 19 |
| 1978 | 25 |
| 1979 | 43 |
| 1980 | 49 |
| 1981 | 64 |
| 1982 | 41 |
| 1983 | 19 |
| 1984 | 14 |
| 1985 | 25 |
| 1986 | 9 |
| 1987 | 13 |
| 1988 | 24 |
| 1989 | 12 |
| 1990 | 14 |
| 1991 | 18 |
| 1992 | 18 |
| 1993 | 3 |
| 1994 | 1 |
| 1995 | 1 |
| 1996 | 3 |
| 1997 | 1 |
| 1998 | 3 |
| 1999 | 1 |
62 with no year recorded