The heat will build up to as much as 3,000 or 4,000 degrees Fahrenheit. On a lunar re-entry flight, the heat approaches 4,000 degrees.

12 seconds sound clip from the Apollo 13 movie soundboard.

You can hear this line at 01:57:44 in the Blu-ray version of the movie.

Quote context

[...]

- Right by the high gain antennae, a whole panel is blown out, right up to our heat shield.

- Copy that, Aquarius.

- It looked like it got the engine bell too. Can you see that?

- Oh, man, that's incredible.

- The heat shield.

- The heat will build up to as much as 3,000 or 4,000 degrees Fahrenheit. On a lunar re-entry flight, the heat approaches 4,000 degrees.

- Did Jim make Eagle Scout or not?

- Yes, he did.

- He did.

- If the heat shield is even slightly cracked, the extreme cold could have split it wide open.

- Worst of all, if the pyrotechnics that control the parachutes have been damaged, the chutes may not open at all, causing the spacecraft to hit the water not at a gentle 20 miles per hour, but at a suicidal 300.

- Perhaps never in human history has the entire world been united by such a global drama.

[...]