Yes, you can go with it inop
M) (O) May be inoperative provided brakes are
inspected and are cool to the touch before engine
start.
NOTE: In case of engine failure after V1,
performance is the prime consideration, and the
landing gear should be retracted normally until
performance penalty with gear down is not a
problem. Pilots must consider the possibility of ice
accumulation on the gear associated with delayed
raising of landing gear or lowering landing gear
during winter operations.