Major repair support sites should have complete end-to-end documentation.

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Complete end-to-end documentation at major repair support sites is essential because it ensures that every step of the repair process is clear, repeatable, and verifiable. When a site plays a critical role in fault restoration, technicians need ready access to accurate drawings, inventory lists, wiring and pathway details, power and grounding information, and the exact repair procedures and test steps required to bring the system back to spec. Having these documents organized, current, and accessible minimizes guesswork, speeds fault isolation, reduces the risk of safety issues, and provides a reliable basis for handoffs between teams or shifts.

Documentation should cover the as-built configuration, component inventories, spare parts, service and escalation contacts, access and safety procedures, change history, and approved test/acceptance criteria. Keeping this information up to date ensures that knowledge isn’t tied to a single person and supports consistent restoration efforts under pressure. Missing or partial documentation can lead to delays, misconfigurations, or unsafe practices, which is why complete documentation is required rather than optional or situational.