73-19-07 DETROIT DIESEL ALLISON: Amdt. 39-1715. Applies to Detroit Diesel Allison Model 250- C20 engine.
Compliance required within the next fifty hours time in service unless already accomplished.
To prevent failure of the P/N 6875621 power turbine governor-to-fuel control fuel tube, install the fuel tube supports specified in Allison Commercial Engine Bulletin 250-C20 CEB-1040, dated May 10, 1973, Revision 1, dated June 28, 1973, or later FAA approved revisions or an equivalent procedure approved by the Chief, Engineering and Manufacturing Branch, Great Lakes Region.
This amendment is effective September 14, 1973.