75-09-15 LYCOMING: Amendment 39-2187. Applies to Lycoming Model IO-320, AIO-320, IO-360, LIO-360, HIO-360-C Series, IVO-360, TIO-360, AIO-360, IGO-480, IO-540, TIO-540, IVO-540, IGO-540, AND IO-720 Series Engines equipped with the following listed Bendix Fuel Injector Flow Divider part numbers. 2524218-1 thru 2524225-1, 2524227-1, 2524232-1, 2524240-1, 2524248-1, 2524265-1, 2524327-1, 2524342-1, 2524397-1, 2524416-1, 2524421-1, 2524571-1, 2524583-1, 2524610-1.
Compliance required within the next 25 hours' time in service after the effective date of this AD, unless already accomplished.
To prevent possible fuel starvation to the engine accomplish the following:
Remove Bendix P/N 2537013 fuel flow divider cover gasket and install Bendix P/N 2538998 cover gasket in accordance with Lycoming Service Bulletin No. 382 or equivalent procedure approved by Chief, Engineering & Manufacturing Branch, FAA, Eastern Region.
(Bendix Energy Controls Division Fuel System Bulletin No. RS43also covers this subject).
This amendment is effective April 30, 1975.