79-13-04 PIPER AIRCRAFT CORPORATION: Amendment 39-3500. Applies to Model PA-32RT-300T, serial numbers 32R-7887001 through 32R-7987124 airplanes 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 possible fuel leakage and engine power loss, accomplish the following:
a. Remove the lower cowling.
b. Remove the 1/8-inch copper fuel flow indicator tube attached to the fuel servo and to the left rear baffle.
c. Install the 1/8-inch stainless steel tube, Piper part number 67700-348 between the fuel servo and the left rear baffle.
d. Pressurize the fuel system by positioning the mixture control to idle cut-off, turning the master switch on, and turning the fuel boost pump on.
e. Check the tube fittings for leaks and correct discrepancies as necessary.
f. Replace the lower cowling.
g. Make an appropriate maintenance record entry.
h. An equivalent method of compliance may be approved by the Chief, Engineering and Manufacturing Branch, Federal Aviation Administration, Southern Region.
NOTE: Piper Service Bulletin 652 pertains to this subject.
This amendment becomes effective June 27, 1979.