Why did KLM 755 on 29th March, 2012 not divert to Cork?

PH-BQN Boeing 777-200ER KLM being pushed back at Amsterdam on 4th April, 2012. It has been reported elsewhere that this aircraft operating as the KLM 755 from Ecuador to Amsterdam on 29th March, 2012 wanted to divert to Cork with a sick passenger aboard. However, for reasons which have yet to be made clear, the aircraft diverted instead to Shannon. Why?

IMG_9074.JPG IMG_2133.JPG EC-LAQlineup3_DUB18MAY11.jpg EI-LEM_EIKL10JUL11.jpg lot0001.JPG G-BBGC_EIKK10JUL11.jpg G-BUGE_EIKK10JUL11.jpg EI-PJW2_Johnstown25APR11.jpg EI-LEM_EIKK10JUL11.jpg
Rate this file (No vote yet)
File information
Album name:Purple Taxi / Photos from other airports.
Date of photo:4th April, 2012
Filesize:82 KiB
Date added:Apr 10, 2012
Dimensions:400 x 300 pixels
Displayed:149 times
Favorites:Add to Favorites
Debug Info 
Debug Output: show / hide