Which SSSn is critical for emergency procedures in the APU system?

The SSSn 49-10-03 is critical for emergency procedures in the APU system because it specifically addresses the operational aspects and emergency protocols associated with the Auxiliary Power Unit (APU). This section provides detailed guidance on how to handle various emergency scenarios involving the APU, ensuring that personnel are prepared to respond appropriately to any unexpected situations. Understanding the information contained within this SSSn helps to mitigate risks and enhance safety during APU operation, which is essential for the overall functioning and readiness of the C-130J aircraft.

The other sections, while they may provide useful information about different systems or components, do not focus specifically on emergency procedures, making them less relevant in this context.