When David Palmer is arguing with Wayne at 4:30 a.m., his right hand can clearly be seen without any scarring to his palm or forearm.
Violating the real-time formula, the hotel manager is in his office and his assistant tells him that there's people with guns outside. Then the next scene seconds later has the assistant in the basement trying to find a way out.
In the Previously on 24 prologue at the start of Episode 3.16 the Stephen Saunders character is identified by name in a split screen caption. At this point in the plot the character has not been identified and in fact wont be identified by name until Episode 3.17.
After Michelle Dessler gives off two warning shots in the hotel, she is shown in total. One can clearly see that the slide of her pistol is locked back, indicating an empty magazine. Yet in the next close-up, the slide is forward again.
When Tony Almeida ask a CDC doctor what's the mortality rate of the virus, she answers "90%". As it is a previously unknown virus, with just one human infected, there is no way that a mortality rate could be estimated.
When Gael is asking how to shut off the ventilation unit, Mr Phillips tells Gael that the control panel is on his left. Gael, however, turns to his right and the control panel is there.