
    Develop a function that converts maintenance task identifiers from the legacy snake_case format to the new camelCase standard required by the transit system's maintenance scheduling software. The function should handle any valid maintenance task string containing lowercase letters and underscores, transforming identifiers like "brake_pad_status" to "brakePadStatus" while preserving the original meaning of the maintenance task.
    

    
def snake_to_camel(word):
    """
    Develop a function that converts maintenance task identifiers from the legacy snake_case format to the new camelCase standard required by the transit system's maintenance scheduling software. The function should handle any valid maintenance task string containing lowercase letters and underscores, transforming identifiers like "brake_pad_status" to "brakePadStatus" while preserving the original meaning of the maintenance task.
    

    """
import re

def snake_to_camel(word):
    """
    Develop a function that converts maintenance task identifiers from the legacy snake_case format to the new camelCase standard required by the transit system's maintenance scheduling software. The function should handle any valid maintenance task string containing lowercase letters and underscores, transforming identifiers like "brake_pad_status" to "brakePadStatus" while preserving the original meaning of the maintenance task.
    

    """
    return ''.join((x.capitalize() or '_' for x in word.split('_')))