Replacement of iBook 12" DC-in board
On my client's computer, the tip of the Power Adapter broke off inside the DC-In jack.
I replaced the board in about 30 minutes and he was good to go.
I was pleasantly surprised that the job didn't require opening the top of the iBook; that saved a half-hour of labor.
This is an easy repair once you're comfortable removing the bottom pan of the iBook.