The following announcement is on the FamilySearch Indexing home page.
October 24, 2009: Scheduled Maintenance
The FamilySearch indexing system will be down for maintenance on October 28 from 10:00 a.m. to 4:00 p.m. (MDT, GMT-6). Please do not try to download or submit batches during this downtime.
If you plan to index during this time, you can download up to five batches before 10:00 a.m., work on them offline, and submit them when the system is back online.
Many new and updated features will be introduced during this downtime, click here to see a list and descriptions of each of them.