Real-world training focuses on a rigid flow to prevent fixation. Here is the typical drill for a 737-800 crew:
Memory items are urgent steps performed from memory before opening the QRH to stabilize the aircraft. boeing 737800 qrh quick reference handbook
The PF calls for the memory items, and the PM executes them after mutual confirmation. Real-world training focuses on a rigid flow to
Sequential items requiring a challenge-and-response verification between the Pilot Flying (PF) and Pilot Monitoring (PM). such as an engine failure
Systems malfunctions, such as an engine failure, hydraulic loss, or electrical issues.