Re: Things Starfleet needs to fix already on its ships.
Well backup systems have been mentioned several times throught the years.
Backups of backups, too. Redundancy isn't the problem with Starfleet ships. It's that everything seems to fail at once or isn't available.
"Many things seem clever to an imbecile." --Captain Thelin th'Valrass, USS Enterprise-- "The Chimes at Midnight"