- Effective
- February 1, 1980
- Model
- M20K
- Data sheet
- TCDS2A3
- Registered aircraft
- 771 matched by model
- Product
- Aircraft · Small airplane
- Amendment
- 39-3670
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.
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|---|---|---|---|
| FAA DRS HTML | 20 KB | 1baa13df…15996f6 | FAA DRS (API key needed) |
On this page
The airworthiness directive
80-02-12 MOONEY AIRCRAFT CORPORATION: Amendment 39-3670. Applies to Models M20K airplanes, Serial Numbers 25-0001 through 25-0247, certificated in all categories.
Compliance is required as indicated unless already accomplished.
To prevent possible failure of the fuselage tubular structure, accomplish the following: 1. Within the next 90 days after the effective date of the AD, reinforce the lower right fuselage tubular structure with a split-sleeve and clamps in accordance with Mooney Service Bulletin No. M20-220 dated November 16, 1979, or equivalent methods approved by the Chief, Engineering and Manufacturing Branch, FAA, Southwest Region.
2. Aircraft may be flown in accordance with FAR 21.197(a)(1) to a location where the modification required by this AD may be accomplished.
This amendment becomes effective February 1, 1980.
Affected TCDS · 1
The type certificate data sheets for the models this AD names, matched by model and maker.
Registered aircraft · 771
Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.
| 1978 | 14 |
|---|---|
| 1979 | 154 |
| 1980 | 111 |
| 1981 | 76 |
| 1982 | 41 |
| 1983 | 44 |
| 1984 | 32 |
| 1985 | 27 |
| 1986 | 45 |
| 1987 | 19 |
| 1988 | 9 |
| 1989 | 11 |
| 1990 | 3 |
| 1997 | 15 |
| 1998 | 12 |
158 with no year recorded