Question for the people that don't rotate the blades. How do you do this procedure then (FCOM, SUPP, Cold weather ops, exterior inspection)?
Boeing 737:
Engine inlets.............................................. Check
Verify that the inlet cowling is free of snow and ice.
Verify that the fan is free to rotate.
For the "How do they check it on bigger aircraft." I also checked our bigger Boeing aircraft FCOM and it says this.
Boeing 757:
Engine inlets........................................... Check
Verify that the inlet cowling is free of snow and ice.
Coincidence or....
