Comms the public never hear - nervous pilot

Taxiing down the tarmac, a DC-10 abruptly stopped, turned around, and returned to the gate. After an hour-long wait, it finally took off. A concerned passenger asked the flight attendant, "What, exactly, was the problem?" "The pilot was bothered by a noise he heard in the engine," explained the flight attendant. "It took us a while to find a new pilot."Bob