72-01-03 BELLANCA: Amdt. 39-1373. Applies to Models 17-30A (Serial Numbers 30394, 30395, 30396, 30397, 30398, 30399, 30400, 30401, 30402, 30403 and 30405); 17-31A (Serial Number 32-53); and 17-31ATC (Serial Numbers 31022, 31023, 31024 and 31025) Airplanes.
Compliance: Required as indicated, unless already accomplished.
To prevent loss of engine power due to fuel starvation, accomplish the following:
Prior to next flight replace hose Aeroquip P/N 359-8D-0153, located between the firewall and engine driven fuel pump, with hose Bellanca P/N 198003-10, or an equivalent method of compliance approved by the Chief, Engineering and Manufacturing Branch, FAA, Central Region.
Bellanca Service Letter No. 68 dated December 3, 1971, pertains to this subject.
This amendment becomes effective January 5, 1972, to all persons except those to whom it was made effective by telegram dated December 17, 1971.