Table 7-16.
Malfunction Details - Continued
Indications presented
Required
Ref
Aircraft indications
Corrective
to instructor/operator
malfunction
number
and related effects
action
and trainee
#2 ECU LO
22321
Engine 2 ECU power turbine
Noncorrectable
Instructor: #2 ECU LOW
reference speed goes to
appears on CRT.
90 (2)%.
Trainee: If engine 2 is op-
erating independently. en-
gine 2 power turbine and main
rotor speed decreases to 90
(2)%. LOW RPM MOTOR and
MASTER CAUTION lights illu-
minate. If both engines are
operating, engine 2 power
turbine speed decreases to
90 (2)%, but main rotor
speed remains at 100 (2)%.
#l LD DMD
22322
Failure in load demand
Power lever can be
Instructor: #l LD DMD SPNDL
SPNDL
used to prevent
spindle linkage for
appears on CRT.
overspeed if power
engine 1. Control of
required is less
power supplied is lost.
Trainee: Engine 1 responds
than min ECU trim
more slowly to changes in
at LDS setting
power requirements within
available.
limit of ECU trim. No
change in collective force.
Failure In load demand
#2 LD DMD
22323
Power lever can be
Instructor: #2 LD DMD SPNDL
spindle linkage for
SPNDL
used to prevent
appears on CRT.
engine 2. Control of
overspeed if power
power supplied is lost.
required is less
Trainee: Engine 2 responds
than min ECU trim
more slowly to changes in
at LDS setting
power requirements within
limit of ECU trim. No
available.
change in collective force.