- Effective
- May 5, 1975
- Models
- A185E, A185F, A188, A188A, A188B
- Registered aircraft
- 1,623 matched by model
- Product
- Aircraft · Small airplane
- Amendment
- 39-2176
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 |
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| FAA DRS HTML | 20 KB | b5604dcc…52adcb4 | FAA DRS (API key needed) |
On this page
The airworthiness directive
75-09-06 CESSNA: Amendment 39-2176. Applies to A185 series (Serial Numbers 18502008 through 18502650) airplanes and A188 series (Serial Numbers 18800833 through 18801374).
Compliance: Required as indicated, unless already accomplished.
To preclude the collapse of the existing flexible engine induction air duct, within the next 50 hours' time in service after the effective date of this AD, accomplish the following:
Replace the flexible engine induction air duct with a new flexible engine induction air duct (P/N 1650044-1); duct adapter (P/N 1652021-10); and drain line (P/N 0700147-82)(A185 only), in accordance with Cessna Service Letter SE75-5, dated February 7, 1975, or later approved revisions, or any alternate means of compliance approved by the Chief, Engineering and Manufacturing Branch, FAA, Central Region.
This amendment becomes effective May 5, 1975.
Affected TCDS · 2
The type certificate data sheets for the models this AD names, matched by model and maker.
Registered aircraft · 1,623
Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.
| 1965 | 1 |
|---|---|
| 1966 | 45 |
| 1967 | 38 |
| 1968 | 25 |
| 1969 | 34 |
| 1970 | 37 |
| 1971 | 40 |
| 1972 | 46 |
| 1973 | 86 |
| 1974 | 144 |
| 1975 | 160 |
| 1976 | 164 |
| 1977 | 133 |
| 1978 | 107 |
| 1979 | 96 |
| 1980 | 80 |
| 1981 | 95 |
| 1982 | 26 |
| 1983 | 15 |
| 1984 | 4 |
| 1985 | 14 |
| 1986 | 1 |
| 1993 | 1 |
231 with no year recorded