Zibo 737 Checklist -

“The checklist assumes uniform cooling,” Lena replied. “But the center tank sits above the air cycle machine. Ground power plus no fuel recirc means it’s actually colder. Zibo modeled that. The checklist didn’t.”

“Dave, fuel temp’s holding at +2°C,” she said. “That’s odd. We’ve been on ground power for an hour.” zibo 737 checklist

The soft amber glow of the instrument panel was the only light in the 737’s cockpit. First Officer Lena Miles ran her finger down the laminated Zibo mod checklist, a third-party labor of love that had turned the stock sim into a precision machine. “The checklist assumes uniform cooling,” Lena replied

“You saved us a flameout at rotation,” Dave said quietly. “The checklist assumes uniform cooling