Flight Manual STEMME S6
Doc.-No.:P400-006.000 E Page: 3-31 Revision: ---
Date of Issue: 07. October 2008 Agency approved Date of Rev.: --.--.----
3.12.1.10 Sudden Drop of Manifold-Air-Pressure MAP and RPM
If the MAP and RPM suddenly drop, together with high noise or a bang, it is
most likely that the turbocharger is damaged:
1.
SHUT-DOWN the engine as soon as possible. Change to glider-
configuration and look for a safe landing-area.
2. Limited engine-operation might be possible, if there is no safe landing-
area. (MONITOR engine-instruments, especially oil-pressure)
If the MAP and RPM suddenly drop and the yellow TCU-caution-light is
FLASHING at the same time, a malfunction of the turbocharger-control is most
likely:
3. The waste-gate possibly will not close. Lower engine-power must be
expected. (With the waste-gate open the engine-power is limited to
Caution: If the allowed engine-limits are exceeded and/or the TCU-
caution-light flashes, this must be documented by the pilot in
the A/C-logbook with details like: nature of incident, date,
duration and the degree of exceeding.
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