- Effective
- November 19, 1973
- Models
- 150, 150A, 150B, 150C, 150D, 150E and 65 more
- Registered aircraft
- 43,565 matched by model
- Product
- Aircraft · Small airplane
- Amendment
- 39-1744
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 | 5e556515…56afbbd | FAA DRS (API key needed) |
On this page
The airworthiness directive
73-23-07 CESSNA: Amdt. 39-1744. Applies to Model 150 (S/Ns 15074635 thru 15074799); Model A150 (S/Ns A1500415 thru 1500427); Model 172 (S/Ns 17261664 thru 17261808); Model 180 (S/Ns 18052335 thru 18052349); Model 182 (S/Ns 18261960 thru 18262105) and Model 185 (S/Ns 18502199 thru 18502238) airplanes.
Compliance: Required as indicted, unless already accomplished.
To prevent defective spar attachment fitting from remaining in service, within the next 50 hours' time in service after the effective date of this AD, replace P/N 0523306 wing attach fittings with Cessna Service Kit SK 150-45A, dated July 27, 1973, referred to in Cessna Service Letter SE73-20, dated August 17, 1973, or later FAA-approved revisions, or with any other airworthy part approved by the Chief, Engineering and Manufacturing Branch, FAA, Central Region.
This amendment becomes effective November 19, 1973.
Affected TCDS · 6
The type certificate data sheets for the models this AD names, matched by model and maker.
Registered aircraft · 43,565
Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.
| 1941 | 1 |
|---|---|
| 1943 | 1 |
| 1947 | 1 |
| 1951 | 1 |
| 1952 | 2 |
| 1953 | 236 |
| 1954 | 230 |
| 1955 | 429 |
| 1956 | 1,084 |
| 1957 | 745 |
| 1958 | 770 |
| 1959 | 929 |
| 1960 | 766 |
| 1961 | 748 |
| 1962 | 784 |
| 1963 | 918 |
| 1964 | 1,201 |
| 1965 | 1,568 |
| 1966 | 2,150 |
| 1967 | 1,299 |
| 1968 | 1,577 |
| 1969 | 1,371 |
| 1970 | 674 |
| 1971 | 734 |
| 1972 | 1,171 |
| 1973 | 1,620 |
| 1974 | 1,434 |
| 1975 | 1,885 |
| 1976 | 1,950 |
| 1977 | 1,309 |
| 1978 | 1,168 |
| 1979 | 1,171 |
| 1980 | 647 |
| 1981 | 610 |
| 1982 | 233 |
| 1983 | 89 |
| 1984 | 139 |
| 1985 | 190 |
| 1986 | 87 |
| 1988 | 2 |
| 1994 | 1 |
| 1995 | 2 |
| 1996 | 1 |
| 1997 | 185 |
| 1998 | 434 |
| 1999 | 386 |
| 2000 | 409 |
| 2001 | 290 |
| 2002 | 227 |
| 2003 | 237 |
| 2004 | 242 |
| 2005 | 345 |
| 2006 | 250 |
| 2007 | 204 |
| 2008 | 177 |
| 2009 | 93 |
| 2010 | 76 |
| 2011 | 60 |
| 2012 | 94 |
| 2013 | 28 |
| 2014 | 84 |
| 2015 | 101 |
| 2016 | 82 |
| 2017 | 90 |
| 2018 | 64 |
| 2019 | 106 |
| 2020 | 137 |
| 2021 | 135 |
| 2022 | 138 |
| 2023 | 187 |
| 2024 | 185 |
| 2025 | 180 |
| 2026 | 146 |
6,265 with no year recorded