One reason for re-engining the 732 with the PW6000 is that the CFM engines on the 733 to 739 are not designed for short distance / high frequency flights. A prime example is AQ
, which is why they got rid of their 733s and 734s for inter-island flights, and got more 732s (with low hours and cycles, and "young").
It will require some modifications to the engine mount/pylon, and the wing, and the landing gear.
In Hawaii, AQ
's 732s are the loudest commercial airliners. The quietest are HA
As far as the MD
-80, it may also be feasible to replace the JT8Ds, eventhough they are the newest versions. Wondering about the 727 and the PW6000 (or the BR
"The best use of your life will be to so live your life, that the use of your life will outlive your life" -- D Severn