MRC:
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.FEAT
Special Features:
Data from component maint manual and ipl 61-13-12; page 1037 fig 5 item 1C supersedes the -1, -2, -3 (1, 1A, 1B); page 1036 ipl figure 5 variable pitch actuator assembly page 1015 of fig 1 item 330C supersedes the -3 (330A, 330B); change code 28; page 1012 ipl figure 1 variable pitch aircraft propeller manual dated jan 07
