What is attached to a MRC and lists identical items at different locations?

The correct answer is the EGL, which stands for Equipment Guide List. The EGL is an important document used in the context of maintenance and logistics that provides a comprehensive listing of identical items located at different sites or locations. This helps supervisors and maintenance personnel track and manage equipment effectively across various locations.

The EGL offers a systematic way to reference equipment used in specific maintenance requirements and ensures that all pertinent information is gathered in a centralized manner. This is particularly useful for ensuring that parts and equipment can be efficiently managed and utilized, which is critical in maintaining operational readiness and supporting maintenance activities.

In contrast, the other options serve different functions in maintenance management. The EIC (Equipment Identification Code) is primarily used for identifying specific pieces of equipment but does not serve the same purpose of listing items across different locations. The APL (Authorized Parts List) specifies the parts authorized for a certain piece of equipment but does not aggregate data from multiple locations. The MIP (Maintenance Instruction Procedures) outlines step-by-step maintenance tasks for specific equipment, rather than providing a listing of identical items in various locations. Each of these terms has its unique role, but in terms of listing identical items across different sites, the EGL is the correct choice.