- Effective
- April 24, 1980
- Published
- April 17, 1980
- Issued
- April 4, 1980
- Models
- PA-34-200, PA-34-200T
- Data sheet
- TCDSA7SO
- Registered aircraft
- 735 matched by model
- Product
- Aircraft · Small airplane
- Amendment
- 39-3749
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
80-09-04 PIPER AIRCRAFT CORPORATION: Amendment 39-3749. Applies to Model PA-34-200, serial numbers 34-E4, 34-7250001 through 34-7450220, Model PA-34-200T, serial numbers 34-7570001 through 34-7770441, airplanes certificated in all categories.
Compliance is required as indicated, unless already accomplished.
To prevent elongation or cracking of fitting holes and wearing of attaching nuts and bolts of the vertical fin attachment fittings and stabilator attachment and stabilator hinge assembly, accomplish the following within 25 hours time in service after the effective date of this AD:
a. Inspect, replace parts and modify, as necessary, the vertical fin attachment fittings and stabilator attachment and stabilator hinge assembly in accordance with Piper Aircraft Corporation Service Bulletin No. 579, dated November 14, 1977, or in an equivalent manner approved by the Chief, Engineering and Manufacturing Branch, FAA, Southern Region.
b. Make appropriate maintenancerecord entry.
This amendment becomes effective April 24, 1980.
Affected TCDS · 1
The type certificate data sheets for the models this AD names, matched by model and maker.
Registered aircraft · 735
Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.
| 1971 | 7 |
|---|---|
| 1972 | 67 |
| 1973 | 41 |
| 1974 | 31 |
| 1975 | 88 |
| 1976 | 57 |
| 1977 | 82 |
| 1978 | 94 |
| 1979 | 54 |
| 1980 | 45 |
| 1981 | 1 |
| 2003 | 1 |
167 with no year recorded