I'm soooo confused!
My main source of this rumor has always been MGMStudios.org. They had real information on why. Now that I went to check it with them, it is not listed as rehab.
http://www.mgmstudios.org/rehab.html
.....And here is what mouseplanet.com says:
Disney-MGM Studios
Magic of Disney Animation September 15 to November 16.
Residential Street at the Disney-MGM Studios has been closed and is undergoing demolition to prepare the site for a new E-ticket stunt-show attraction believed to be an American version of the popular Moteurs
Action! stunt show from the Walt Disney Studios at
Disneyland Paris.
Rock 'N' Roller Coaster September 7 - September 14 for brake replacements and other rehab work.
The Twilight Zone Tower of Terror will receive a lot of rehab work in Septemberreportedly on the ride control system and cable replacements but will only be closed from September 22 through 26. One side of the tower will be closed from September 18 to 21. Both sides will be down from September 22 to 26, and the Tower opens again running one side only from September 27 to November 17. Capacity will be decreased during the rehab, but will be offset by smaller off-season crowds smaller crowds.
Sets from the upcoming Haunted Mansion movie are scheduled to open in the old Backstage Pass soundstage on October 6.
The Brown Derby Restaurant September 14 to 20 for rehab.