- Effective
- February 11, 1982
- Models
- M-5-235C, M-6-235
- Data sheet
- TCDS3A23
- Registered aircraft
- 260 matched by model
- Product
- Aircraft · Small airplane
- Amendment
- 39-4309
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 | 5d4609e7…6f23514 | FAA DRS (API key needed) |
On this page
The airworthiness directive
82-03-05 MAULE AIRCRAFT CORPORATION: Amendment 39-4309. Applies to Model M-5-235C, serial numbers 7322C, 7350C, A7354C, A7355C, A7358C, A7360C, A7361C, 7364C, 7365C, A7366C, A7367C; Model M-6-235, serial numbers 7356C, 7379C, 7380C, 7382C through 7388C, and 7390C, airplanes certificated in all categories.
Compliance is required within the next 25 hours time in service after the effective date of this AD unless already accomplished. To prevent engine stoppage, accomplish the following:
Install drain tube, using Maule P/N 5393A and using two hose clamp P/N 10047A-32, in the engine alternate air hose at the lowest point in the hose in accordance with Maule Service bulletin #3 dated November 6, 1981.
An equivalent method of compliance may be approved by the Chief, Engineering and Manufacturing Branch, Federal Aviation Administration, 3400 Norman Berry Drive, East Point, Georgia 30344.
Maule Aircraft Service Bulletin #3 dated November 6, 1981, pertains to this subject.Make an appropriate maintenance record entry. This amendment becomes effective February 11, 1982.
Affected TCDS · 1
The type certificate data sheets for the models this AD names, matched by model and maker.
Registered aircraft · 260
Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.
| 1973 | 1 |
|---|---|
| 1974 | 5 |
| 1975 | 1 |
| 1976 | 31 |
| 1977 | 37 |
| 1978 | 30 |
| 1979 | 20 |
| 1980 | 13 |
| 1981 | 17 |
| 1982 | 18 |
| 1983 | 11 |
| 1984 | 5 |
| 1985 | 3 |
| 1986 | 1 |
| 1987 | 2 |
| 1988 | 6 |
| 1989 | 3 |
| 1990 | 3 |
| 1991 | 1 |
| 1995 | 1 |
| 2011 | 1 |
| 2024 | 1 |
49 with no year recorded