He sighed. “So we cut and re-weld.”

She applied couplant to the rusty steel and moved the transducer. The A-scan showed a clean echo—then a sudden, sharp spike. Indication. She measured the signal rise time, compared it to the DAC (distance-amplitude correction) curve as outlined in Section 7 of RP 2X.

“Leif, mark this. Length: 18 mm. Depth: 12 mm from the ID surface. That’s rejectable under Table 4.”

That night, the platform groaned around them—but not from failure. From the honest work of following the rules written in blood and ink.