In such failures, which are uncommon, parts go through the engine covering.
When oil drips onto the plastic shields, the parts can ignite and spread fire through the engine compartment.
Higher altitudes lead to lower air-inlet temperatures and pressures and reduce the mass flow rate through the engine.
Some ash will go straight through the engine without having any effect whilst some will get caught up.
In the continuous-combustion engine, the thermodynamic events occur simultaneously as the oxidizer and fuel and the products of combustion flow steadily through the engine.
Additionally, the space created on the driver side enabled longer intake and exhaust manifolds whose nearly-equal length produced excellent airflow through the engine.
The problem was caused by a buildup of ice crystals, starting just behind the front fan and then running through the engine, a GE spokesman said.
But it is also impressively rapid, with an insistent rush of thrust right through the engine's speed range and a deep, enthusiastic exhaust note.
In 1972, the Yankees used a pinstriped Datsun, but it was taken out of service when rats chewed through the engine cables.
The cracking has happened in the stator vane, a stationary blade made of steel alloy that helps direct air flow through the engine.
