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.