What is defined as written instructions prepared IAW JFMM 4790.3 for use in production and repair?

The correct choice is Formal Work Package (FWP) because it specifically refers to detailed documentation prepared in accordance with the Joint Fleet Maintenance Manual (JFMM) 4790.3 that encompasses the written instructions necessary for carrying out production and repair activities. An FWP includes all pertinent information such as technical directives, parts lists, and task descriptions that guide personnel through maintenance jobs and ensure compliance with safety and operational standards.

Standard Operating Procedures (SOP) generally outline routine operations but may not be as comprehensive or specific to unique maintenance tasks as an FWP. The Work Instruction Manual could cover a broader scope of activities and instructions without necessarily aligning strictly with established repair processes defined under the JFMM. The Maintenance Schedule indicates when maintenance tasks should occur but does not provide the detailed, task-specific instructions that an FWP would contain.