- Effective
- January 29, 1980
- Superseded by
- AD2001-06-01
- Models
- PA-31P, PA-31T, PA-31T1
- Data sheet
- TCDSA8EA
- Registered aircraft
- 191 matched by model
- Product
- Aircraft · Small airplane
- Amendment
- 39-3676
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 August 7, 2025.
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 | 21 KB | 3b80eb3f…58ba829 | FAA DRS (API key needed) |
On this page
The airworthiness directive
80-02-15 PIPER: Amendment 39-3676. Applies to Model PA-31P, Serial Nos. 31P-1 thru 31P-7730012, Model PA-31T, Serial Nos. 31T-7400002 thru 31T-7920075 and Model PA- 31T1, Serial Nos. 31T-7804001 thru 31T-7904036 and 31T-7904038 thru 31T-79O4044 certificated in all categories except aircraft incorporating Piper Kit No. 763 943.
To prevent possible hazards in flight associated with cracks in the elevator butt ribs and adjoining area accomplish the following:
a. Within the next 100 hours in service from the effective date of this AD or upon the attainment of 400 hours in service, whichever is later, inspect and alter the elevators in accordance with Piper Kit No. 763 943 or equivalent.
b. Equivalent inspections or alterations must be approved by the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region.
c. Upon submission of substantiating data by an owner or operator through an FAA Maintenance Inspector, the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region may adjust the inspection intervals specified in this AD.
(Piper Service Bulletin No. 658 dated July 31, 1979, refers to this subject.)
This amendment is effective January 29, 1980.
Affected TCDS · 1
The type certificate data sheets for the models this AD names, matched by model and maker.
Registered aircraft · 191
Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.
| 1970 | 3 |
|---|---|
| 1971 | 1 |
| 1972 | 1 |
| 1973 | 8 |
| 1974 | 8 |
| 1975 | 5 |
| 1976 | 12 |
| 1977 | 10 |
| 1978 | 24 |
| 1979 | 23 |
| 1980 | 20 |
| 1981 | 17 |
| 1982 | 4 |
| 1983 | 1 |
| 1984 | 5 |
49 with no year recorded