- Effective
- December 10, 1975
- Published
- December 4, 1975
- Issued
- November 24, 1975
- Model
- PA-34-200T
- Data sheet
- TCDSA7SO
- Registered aircraft
- 563 matched by model
- Product
- Aircraft · Small airplane
- Amendment
- 39-2448
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.
| File | Size | SHA-256 | Original |
|---|---|---|---|
| FAA DRS HTML | 19 KB | eaa087b4…8ec5a4a | FAA DRS (API key needed) |
On this page
The airworthiness directive
75-25-03 PIPER AIRCRAFT CORPORATION: Amendment 39-2448. Applies to PA- 34-200T airplanes, serial numbers 34-7570001 through 34-7670077 certificated in all categories.
Compliance required within the next 25 hours' time in service after the effective date of this AD, unless already accomplished.
To prevent loss of engine oil, accomplish the following:
Replace the existing engine oil pressure hose assemblies with a tube assembly and a new hose assembly in accordance with Piper Service Bulletin Number 483 or in an equivalent manner approved by the Chief, Engineering and Manufacturing Branch, Federal Aviation Administration, P.O. Box 20636, Atlanta, Georgia 30320.
This amendment becomes effective December 10, 1975.
Affected TCDS · 1
The type certificate data sheets for the models this AD names, matched by model and maker.
Registered aircraft · 563
Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.
| 1974 | 9 |
|---|---|
| 1975 | 88 |
| 1976 | 57 |
| 1977 | 82 |
| 1978 | 94 |
| 1979 | 54 |
| 1980 | 44 |
| 1981 | 1 |
| 2003 | 1 |
133 with no year recorded