sonaca aircraft S201 - Page 74

S201 AFM
3 - EMERGENCY PROCEDURES
3.3 - ENGINE FAILURES
27/06/2019
SONAIR-S2-D-MAN-006
Page : 3-12
Rev. : A
3.3.10 SUDDEN DROP IN ENGINE RPM AND MAP
Possible turbocharger failure, associated or not with TCU CAUTION light
flashing:
1. Throttle - reduce to minimum acceptable
2. Oil pressure - monitor
3. Land as soon as practicable.
3.3.11 SUDDEN INCREASE IN ENGINE RPM AND MAP
Possible overboost of turbocharger, associated with TCU CAUTION light
flashing:
1. Throttle - reduce immediately down to RPM/MAP limits
2. Land as soon as practicable.
If Throttle is ineffective, refer to 3.3.9 DEFECTIVE ENGINE CONTROLS.