- Effective
- August 28, 1974
- Models
- IO-360-A, IO-360-C, IO-360-D, IO-360-H, TSIO-360-A, TSIO-360-C
- Registered aircraft
- 3,867 matched by model
- Product
- Engine
- Amendment
- 39-1933
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 | d9f24648…b1a2654 | FAA DRS (API key needed) |
On this page
The airworthiness directive
74-18-07 TELEDYNE CONTINENTAL MOTORS: Amendment 39-1933. Applies to the following Teledyne Continental Model Engines: IO-360-A - Engine serial numbers 20080-R and 20084-R IO-360-C - Engine serial numbers 350015, 350017, 350021, 60228-R, 60229-R, 900308 and 900352. IO-360-D - Engine serial numbers 351048, 351055, 351060, 351075, 351076, 351077, 351080, and 351081. IO-360-H - Engine serial numbers 353124 through 353134. TSIO-360-A - Engine serial numbers 301001, and 301002. TSIO-360-C - Engine serial numbers 300162 and 300170. Compliance is required within the next 25 hours time in service after the effective date of this AD, unless already accomplished. To prevent cylinder failure, inspect each cylinder for the assembly date stamp located on the machined surface between the Rocker Box covers. All cylinders date stamped 7-73, 8-73, 9-73, 10-73, and 11-73 must be removed and replaced with airworthy cylinders prior to further flight. This supersedes Amendment39-1780 (39 F.R. 4075) AD 74-3-5. This Amendment becomes effective August 28, 1974.
Affected TCDS · 2
The type certificate data sheets for the models this AD names, matched by model and maker.
Registered aircraft · 3,867
Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.
| 1946 | 16 |
|---|---|
| 1947 | 2 |
| 1948 | 2 |
| 1949 | 2 |
| 1950 | 2 |
| 1951 | 2 |
| 1952 | 5 |
| 1954 | 4 |
| 1955 | 1 |
| 1956 | 4 |
| 1958 | 1 |
| 1959 | 1 |
| 1960 | 3 |
| 1963 | 21 |
| 1964 | 10 |
| 1965 | 56 |
| 1966 | 63 |
| 1967 | 109 |
| 1968 | 68 |
| 1969 | 54 |
| 1970 | 22 |
| 1971 | 16 |
| 1972 | 31 |
| 1973 | 76 |
| 1974 | 52 |
| 1975 | 136 |
| 1976 | 186 |
| 1977 | 566 |
| 1978 | 275 |
| 1979 | 396 |
| 1980 | 185 |
| 1981 | 153 |
| 1982 | 73 |
| 1983 | 57 |
| 1984 | 41 |
| 1985 | 19 |
| 1986 | 39 |
| 1987 | 16 |
| 1988 | 7 |
| 1989 | 13 |
| 1990 | 9 |
| 1991 | 5 |
| 1992 | 2 |
| 1993 | 8 |
| 1994 | 8 |
| 1995 | 4 |
| 1996 | 5 |
| 1997 | 25 |
| 1998 | 23 |
| 1999 | 17 |
| 2000 | 43 |
| 2001 | 26 |
| 2002 | 74 |
| 2003 | 53 |
| 2004 | 59 |
| 2005 | 58 |
| 2006 | 8 |
| 2007 | 5 |
| 2008 | 8 |
| 2009 | 5 |
| 2010 | 10 |
| 2011 | 15 |
| 2012 | 5 |
| 2013 | 3 |
| 2014 | 1 |
| 2015 | 2 |
| 2016 | 2 |
| 2019 | 3 |
| 2020 | 1 |
| 2022 | 1 |
| 2023 | 1 |
| 2025 | 2 |
591 with no year recorded