Exploring the Pratt & Whitney PW4000 Engine on a Boeing 777 at San Francisco International Airport in 2025

A massive, complex jet engine is suspended in an aircraft maintenance hangar by a blue overhead crane labeled 'Whiskey'. The engine is partially disassembled, revealing intricate internal components, pipes, and wiring, with various maintenance carts and equipment visible on the concrete floor. The scene is industrial and detailed, showing the scale of aircraft engine servicing.

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