- Effective
- September 10, 1976
- Published
- September 2, 1976
- Issued
- August 26, 1976
- Model
- PA-31T
- Data sheet
- TCDSA8EA
- Registered aircraft
- 87 matched by model
- Product
- Aircraft · Small airplane
- Amendment
- 39-2716
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 November 21, 2025.
Copies of the files this page was built from, with their SHA-256. Retrieved October 18, 2026.
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On this page
The airworthiness directive
76-18-06 PIPER: Amendment 39-2716. Applies to Model PA-31T, Serial Nos. 31T-7400001 through 31T-7620039 certificated in all categories.
To prevent possible hazards in flight associated with cracks in the elevator and elevator tab support structure, accomplish the following within the next fifty hours in service after the effective date of this AD unless previously accomplished.
(a) Alter the stabilizer/elevator/elevator tab structure in accordance with Piper Elevator Hinge Modification Kit No. 761 056 or approved equivalent alteration.
(b) Equivalent alterations must be approved by the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region.
(Piper Service Bulletin No. 504 refers to this subject.)
This amendment is effective September 10, 1976.
Affected TCDS · 1
The type certificate data sheets for the models this AD names, matched by model and maker.
Registered aircraft · 87
Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.
| 1974 | 2 |
|---|---|
| 1975 | 2 |
| 1976 | 6 |
| 1977 | 10 |
| 1978 | 19 |
| 1979 | 16 |
| 1980 | 8 |
| 1981 | 4 |
| 1982 | 2 |
| 1984 | 1 |
17 with no year recorded