Diamond DA 40 Flight Manual page 88

Emergency
Procedures
(g) Loss of RPM
1. Electrical fuel pump . . . . . . . . . . . . . . . . . . . check ON
2. Fuel tank selector . . . . . . . . . . . . . . . . . . . . check
3. Friction adjuster for throttle quadrant . . . . . . check sufficiently tight
4. RPM lever . . . . . . . . . . . . . . . . . . . . . . . . . . HIGH RPM
* Listen for rise in RPM.
- If there is no audible rise in RPM, it is probable that the governor system
is defective. In this case the RPM can be regulated within certain limits
using the throttle.
-
-
- If the indication does not change in spite of an audible rise in RPM, it is
probable that the RPM indication is defective, which should thus be
ignored (the airplane should be serviced).
END OF CHECKLIST
Page 3 - 14
Land at the nearest appropriate airfield.
Be prepared for possible emergency landing.
Rev. 8 01-Dec-2010
DA 40 AFM
Doc. # 6.01.01-E