Supplement POH
Cessna 172 R&S
(FAA-Version)
Page 3-6
Issue 3
Revision 2, Mar. 2022
b) Both FADEC Lights are flashing
1. Press FADEC test knob at least 2 seconds
2. FADEC Lights extinguished (LOW warning category):
a) Continue normal flight,
b) Inform service center after landing.
3. FADEC Lights illuminated steady (HIGH warning category):
a) Check the available engine power,
b) Expect engine failure.
c) Flight can be continued, however the pilot should
i) Select an appropriate airspeed to avoid engine
overspeed.
ii) Land as soon as possible.
iii) Be prepared for an emergency landing.
d) Inform service center after landing.
4. In case a fuel tank was flown empty, proceed at the first
signs of insufficient fuel feed as follows:
a) Immediately switch the Fuel Selector to BOTH
b) Electric Fuel Pump – ON
c) Select an airspeed to avoid engine overspeed.
d) Check the engine (engine parameters, airspeed/alti-
tude change, whether the engine responds to changes
in the Thrust Lever position).
e) If the engine acts normally, continue the flight and land
as soon as possible.
Note: CED load display should be considered
unreliable with both FADEC lights
illuminated. Use other indications to assess
engine condition.
WARNING: The high-pressure pump must be checked
by an authorized service center before the
next flight.
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