- Effective
- August 15, 1974
- Published
- August 9, 1974
- Issued
- August 7, 1974
- Model
- PA-34-200
- Data sheet
- TCDSA7SO
- Registered aircraft
- 172 matched by model
- Product
- Aircraft · Small airplane
- Amendment
- 39-1918
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 | 20 KB | 98784e50…2dfece7 | FAA DRS (API key needed) |
On this page
The airworthiness directive
74-17-08 PIPER: Amendment 39-1918. Applies to PA-34-200 airplanes Serial Numbers 34-7250001 to 34-7450209 inclusive, certificated in all categories.
Compliance required within the next 50 hours' time in service after the effective date of this AD, unless already accomplished.
To prevent fuel line chafing and fuel leaks, accomplish the following:
Modify the fuel and instrumentation line clamping in accordance with Piper Service Bulletin No. 429 or an equivalent method approved by the Chief, Engineering and Manufacturing Branch, Federal Aviation Administration, Southern Region. Replace all lines that have been damaged by chafing, wear, with serviceable lines of the same part number or equivalent lines approved by the Chief, Engineering and Manufacturing Branch, Federal Aviation Administration Southern Region.
This amendment becomes effective August 15, 1974.
Affected TCDS · 1
The type certificate data sheets for the models this AD names, matched by model and maker.
Registered aircraft · 172
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 | 22 |
| 1980 | 1 |
34 with no year recorded